User Manual TDS 620A, 640A & 644A Digitizing Oscilloscopes 070-8715-04
Copyright Tektronix, Inc., 1993. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Printed in the U.S.A. Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000 TEKTRONIX, TEK, TEKPROBE, and SCOPE-MOBILE are registered trademarks of Tektronix, Inc. Microsoft is a registered trademark of Microsoft Corporation.
WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of three (3) years from the date of shipment. If a product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
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Welcome Conventions ! ' ! & ' "!& ,"( * ! ) % "(& #%" (% & * "!' ! &' #& " !&'%( ' "!& "% ,"( '" # % "% " # ' "& !&'%( ' "!& % ! "!& &' !' ' & !( (& & ' " "* ! "!) !' "!& ! #%" (% & ! & " %"!' # ! "!'%" & ! " #% !' !( & ## % ! %"!'-# ! ! !( ! & &" ## % ! ' & (## % ! "* % & & & (& "! ' "& "& "# %"!' # ! ! & % (## % & '' %& &( & VERTICAL M
Table of Contents Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Ć1 Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Ć3 Setting Up for the Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Ć7 Example 1: Displaying a Waveform . . . . .
Table of Contents File System (Optional on TDS 620A & TDS 640A) . . . . . . . . . . . . . . 3Ć53 Hardcopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć57 Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć65 Horizontal Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć66 Limit Testing . . . . . . . . . . . . . . . . . . . . . .
List of Figures Figure 1Ć1:ăRear Panel Controls Used in Start Up . . . . . . . . . . . . . . 1Ć4 Figure 1Ć2:ăON/STBY Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Ć5 Figure 1Ć3:ăConnecting a Probe for the Examples . . . . . . . . . . . . . 1Ć7 Figure 1Ć4:ăSETUP Button Location . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Ć8 Figure 1Ć5:ăThe Displayed Setup Menu . . . . . . . . . . . . . . . . . . . . . . . 1Ć8 Figure 1Ć6:ăTrigger Controls . . . . . . . . . . .
Table of Contents vi Figure 2Ć9:ăCursor Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Ć27 Figure 3Ć1:ăHow the Acquisition Modes Work . . . . . . . . . . . . . . . . . 3Ć4 Figure 3Ć2:ăAcquisition Menu and Readout . . . . . . . . . . . . . . . . . . . . 3Ć5 Figure 3Ć3:ăAcquire Menu Ċ Stop After . . . . . . . . . . . . . . . . . . . . . . . 3Ć6 Figure 3Ć4:ăDisplay Menu Ċ Setting . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3Ć32:ăHardcopy Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć59 Figure 3Ć33:ăDate and Time Display . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć61 Figure 3Ć34:ăConnecting the Digitizing Oscilloscope Directly to the Hardcopy Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć62 Figure 3Ć35:ăConnecting the Digitizing Oscilloscope and Hardcopy Device Via a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents viii Figure 3Ć63:ăSave/Recall Setup Menu . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć120 Figure 3Ć64:ăSave Waveform Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć124 Figure 3Ć65:ăMore Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć125 Figure 3Ć66:ăThe Channel Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć126 Figure 3Ć67:ăWaveform Selection Priority . . . . . . . . . . . . . . . . . . . . .
List of Tables Table 1Ć1:ăFuse and Fuse Cap Part Numbers . . . . . . . . . . . . . . . . . . 1Ć4 TableĂ3Ć1:ăAutoset Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć9 TableĂ3Ć2:ăXY Format Pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć30 TableĂ3Ć3:ăLogic Triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ć77 TableĂ3Ć4:ăMeasurement Definitions . . . . . . . . . . . . . . . . . . . . . . . . . .
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Start Up %' .%* *( ) ) / $ %( ""%( %& $(*' ) ) ) ( &'%& '". $() "" $ &%, ' %$ Before You Begin % $(*' # - #*# *' . %' .%*' #%() ' ) " # (*' # $)( .%* ( %*" !$%, %*) ( $ " & ) %#& $( ) %$ $ ) &'%& ' *( % ) &'% ( && , ) .%*' %( ""%( %& ( () $ ' ((%'. Signal Path Compensation (*' .%* %#& $( ) .
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Start Up Front Cover Removal !' % #! % !' # ) # $" %$ % # % $ $ "" % ! ! % #! % $& " # $% $ " ! Power On % % % # #+" "# " "!( # $( % $ ! $ &# + "# " "!( # $( % ! %#! $ "!( # %! % $%#& % % !$ !$ !" $ !% "!( # ! % $ # $ "&$ % #! %+" ON/STBY &%%! %! %! % ! $ &# + ON/STBY &%%! ! %#! $ "!( # %! !$% ! % $%#&
" ! # # ! ! ! ! ! !
Setting Up for the Examples $ ! ! % ! ! % ! " % $ " ! ! # ! ! # & CH 1 PROBE COMPENSATION ! ' Figure 1Ć3:ăConnecting a Probe for the Examples TDS 620A, 640A & 644A User Manual 1Ć7
Example 1: Displaying a Waveform $ # "#$ ( ! ) % " %$ " # $$ $ $ * # # ! #! ) %#$ ' & " %# $ %$ # $ % $ Resetting the Digitizing Oscilloscope ( ! # $ $%$ " ) " # $$ $ $ * # # ! $ ' $ ") % $ #$ $ # $ $ # # ! ' ) % ' $ # $ +#$ "$ " # ' $ ' % $ # $$ # " ## $ # & " SETUP %$$ $ #! ) $ $%! % , %" , SETU
Example 1: Displaying a Waveform ! "" # $## ! # ' & # Recall Factory Setup $ # " ' " &" # ! # " # " ! $## " # " # # " " $ # " ! # # ! # # " $ $" # "#!$ # ! " # $ "#! ' " #$ # # # # # ! # # # ( " " " " ' $ # % ! ' # Recall Factory Setup " # " $! ) ! "" # $## # # ! # # OK Confirm Factory Init "
Example 1: Displaying a Waveform Display Elements #!,) 2 *"'.* +" #*($ / +" + ) *,$+* )'% +" #&*+),% &+ ) * + " ) ) * - ) $ #%(')+ &+ ('#&+* +' ' * )- " *"'.* +" + +" . - ')% #* +)#!! ) + $ - $ & ) ' #+* %($#+, )'% *+ ( " *"'.* +" + +" +)#!! ) ('*#+#'& ' +" . - ')% #* $' + + +" "')#0'&+ $ &+ ) ' +" !) +# ,$ " *"'.* +" - )+# $ ('*#+#'& ' " && $ .
Example 1: Displaying a Waveform Adjusting the Waveform Display '$ - ' #+' ( $&# #!$ "' ( #" ' " ( ' / . '%) & + * # $$&#, ! ( - / !$ () #) " )'( ( ' .
* !$ &$ + " ) #%! " # !" ! ' ! % ' "# " " ! # ( !" " " " " ! $ % " ( ! % ' # $ " " $ $ " !" " " ! ' % $ $ " " $ " " # " !" " !! ! # ( ! $ " !" % $ ! ' MAIN LEVEL Knob (% - , #"'%# & AUTOSET Button (% - , (''#" # ' #" # ( ! %! "
Example 1: Displaying a Waveform Figure 1Ć11:ăThe Display After Pressing Autoset & " " # " ! ! ! & " & & " ! " ' ! & " & ! ! & " " ! ! " $ ! " % $ ! ! & " Figure 1Ć12:ăDisplay Signals Requiring Probe Compensation TDS 620A, 640A & 644A User Manual 1Ć13
. %($ ,$+#($ - ')%* " ' & + !$ ,#( %" #* '# &$ , " #"'%# !#% ' " #" * ) #%! ' ' ! #&! - ')% & ' #" # ' %#"' $ " #"' "& ' "" & ' #" (''#"& & % " (% - #" ' ' , % " #!,) 1 0 " " && $ ,++'&* & #!"+* # ' "" (''#"& & ' #) '& ' "#* ' ' & #" ' ' " ' & ' ' ' ) %' #"'%#
Example 2: Multiple Waveforms * ++ AUTOSET * ++ CH 2 ! "+)% 1 +!(/+ + (' / . (*& /!" ! * )* + ',+ ,! +" ' % (' ! '' % "' ,! * "+ '(,!"' ('' , ,( ,! CH 2 "')-, ('' 3 ,(* ,!"+ / . (*& "+ % , %"' ! * * + . * % (,! * "&)(*, ', ,!"' + ,( ( + *. ! ! '' % * (-, (' ,! "+)% 1 '(/ +!(/+ ,! + ,,"' + (* (,! Ch1 ' Ch2 ! * * ,/( ! '' % "' " ,(*+ , ,! % , ( ,! * ," -% " !, '(/ ,! 1 (.
& $ # % ! " Ch2 Reference Indicator Side Menu Title $! ) ( !# $ $ $ #! " # # ! " ! " # " ! ! #
Example 2: Multiple Waveforms Figure 1Ć15:ăThe Menus After Changing Channels Removing a Waveform WAVEFORM OFF ! " ! $ # " ! # " ! # CH WAVEFORM OFF ! SCALE CH 2 " " # WAVEFORM OFF " ! " ! CH "
' " &%! % $&# %$ # " ' ( $ ! & # $" # $# # "$! # "("# # # $ ! ! $#" !# # & % ! ! # ! "# " $" ( &%! % $&# %$ $" # $# # "$! # "("# ( $ $"# % "# " ( ( $! " " # & % ! $"# % # " #" "" !( ! # "$! # ( $ & # ! ' ! " # "$! # ! $ ! " # "# ! " ! $ ( "$! # " # "# # (
Example 3: Automated Measurements ' & !"' % , & ' #% && Select Measrmnt ! % "(' "% ' ' !( ' ! ' & * !! ' &(% !' * ' ! %" ('" ' &(% !'& % "! ' & ' !! ' &(% !' & !( &'& &" " ' &(% !'& ' ' ! ' ! "! * ) "% & % % !, % !' &(% !'& ) (# '" "(% ! ' ! ! &# , ' !, "! ' % && ! ' (''"! ! +' '" ' -more- !( ' % ! & (# ' "' % &(
* !$ ('#! ' &(% ! "'& Press here to remove menus from screen.
Example 3: Automated Measurements General Purpose Knob Setting and Readout General Purpose Knob Icon Highlighted Menu Item with Boxed Readout Value Figure 1Ć18:ăGeneral Purpose Knob Indicators ! $ " " " ! " ! $ " ! ! " " " " ! " ! " " " # ! ! #!" ! " " #!" " # " " ! ! %! " #" High Ref: 90% High Ref ! # " !
' $# # "$! #" " ## & # %$) $ % " (! !" ## $ $ $ $ # ' # $# $ ' #%" $ " " $ # "& $ $ $ " # )$ & % # " ## % "! # ➞ "$! #" # $ " $%" # $ #! ( $ $# " #$ $ " ( " # $# # "$! #" % & # ' $ #! ( %! $ %" & % %$ $ #%" ) $# # " % # ! ! %! #! ( #$
Example 3: Automated Measurements " ! # Again Remove Measrmnt " CLEAR MENU ! ! " " TDS 620A, 640A & 644A User Manual 1Ć2
+ !$ * " ()$' !* / $'# * &.* 0&, &. +& * - ## + * ++!% * & + ! !+!1!% &* !##&2 * &' % &. +& ) ## + * +,' # + ) +& (,! "#0 ) 2 *+ #!* + ') -!&,*#0 * - *+ + &* !##&* &' ')&-! * * - ) # *+&) #& +!&%* . ) 0&, % * - + * +,'* !+ + !# *0*+ $ &'+!&% # &% + 0&, % #*& * - * +,'* +& #&''0 !*" *! * !% # +& * - * - ) # &$'# + * +,'* + ! !+!1!% &* !##&2 * &' ) $ $ )* ## + ' ) $ + ) * ++!% * . % 0&, '&.
Example 4: Saving Setups Figure 1Ć20:ăSave/Recall Setup Menu To Setup $ ! # -more- # # # # ! ! #
! ! " ) ) * %$ ) ( ) * ) %$ &*) % %& ( * $ * * 0 $ %) ""%1 ) %& $ ()* $ $ * ) %$ &*) % /%+( * 0 $ %) ""%) %& - "" "& /%+ +) * #+ #%( * , "/ ()* & (* '+ !"/ ) %-) /%+ %- * %) ""%) %& ) %( 1 $ 0 $ , ) )%# , (/ $ ( " %& ( * $ $)*(+ * %$) * ")% %$* $) $ %, (, - % "" * # $ # $+) ) & (* $ "+ ) (%$* $ " & ( $ " & )&" / & ) $+ & ( * %$ $+ & ) %
" File System, page 3Ć53 (Optional on TDS 620A & TDS 640A) Side Menu Buttons, page 2Ć7 ON/STBY Switch, pageĂ1Ć3 Main Menu Buttons, page 2Ć7 CLEAR MENU Removes Menus from the Display
Measurement System, page 3Ć83 Cursor Measurements, page 3Ć15 Saving and Recalling Waveforms, page 3Ć123 File System, page 3Ć53 (Optional on TDS 620A & TDS 640A) Hardcopy, page 3Ć57 File System, page 3Ć53 Color, page 3Ć10 (TDS 644A) Display Modes, page 3Ć26 Remote Communication, page 3Ć116 Acquisition Modes, page 3Ć3 Cursor Measurements, page 3Ć15 Saving and Recalling Setups, page 3Ć120 Autoset, page 3Ć8 Help, page 3Ć65 Status, page 3Ć130 Selecting Channels,
Principal Power Switch, page 1Ć3 Fuse, page 1Ć3 RSĆ232 Connector Centronics Connector (Optional onTDS 620A (Optional on TDS 620A & TDS 640A) & TDS 640A) Serial Number Power Connector, page 1Ć3 GPIB Connector, page 3Ć116 VGA Output Rear Panel Security (Color with Connectors Bracket TDS 644A, SIGNAL OUTPUT Monochrome with (Provides analog signal output) TDS 620A & TDS 640A) AUX TRIGGER INPUT (Provides auxiliary trigger signal input) MAIN TRIGGER OUTPUT (Provides main trigger
The acquisition status, page 3Ć3 Trigger position (T), page 3Ć132 The value entered with the general purpose knob When present, the general purpose knob makes coarse adjustments; when absent, fine adjustments The waveform record icon Indicates position of vertical bar cursors in the waveform record, page 3Ć136 Shows what part of the waveform record is displayed, page 3Ć66 Trigger level on waveform (may be an arrow at right side of screen instead of a bar) Cursor measurements,
1. Press frontĆpanel menu button. (Press SHIFT first if button label is blue) 2. Press one of these buttons to select from main menu. 3. Press one of these buttons to select from side menu (if displayed). 4. If side menu item has an adĆ justable value (shown in reĆ verse video), adjust it with the general purpose knob or keypad.
Press to display popĆups. Press it again to make selection. Press here to remove menus from screen. Alternatively, press SHIFT first to make selection in the opposite direction. A popĆup selection changes the other main menu titles.
! ! ! ! Acquire Menu (see page 3Ć3) Application Menu (see the Programmer manual for more details) Cursor Menu (see page 3Ć15) Delayed Trigger Menu (see page 3Ć20) Display Menu - Color (TDS 644A) (see page 3Ć10) Display Menu - Display (TDS 644A) (see page 3Ć26) Display Menu - Display (TDS 620A & TDS 640A) (see page 3Ć26) Horizontal Menu (see page 3Ć66) ! "
Hardcopy Menu (TDS 620A & TDS 640A) (see page 3Ć57) Hardcopy Menu (TDS 644A) (see page 3Ć57) Main Trigger Menu - Edge (see page 3Ć32) Main Trigger Menu - Logic (see page 3Ć75) Main Trigger Menu -Pulse (see page 3Ć109) Measure Menu (see page 3Ć83) More Menu (see page 3Ć148) Save/Recall Setup Menu (see page 3Ć120) Save/Recall Waveform Menu (see page 3Ć123) Status Menu (see page 3Ć130)
At a Glance Press these buttons: To bring up these menus: Utility Menu - Calibration (see page ) Utility Menu Config (see pages ) Utility Menu - Diagnostics (see the Service manual) Utility Menu - I/O - GPIB (see page 3Ć116) Utility Menu - I/O - RS232 (optional on TDS 620A & TDS 640A) (see page 3Ć116) Vertical Channel Menu (see page 3Ć136) Zoom Menu (see page 3Ć151) TDS 620A, 640A & 644A User Manual 2Ć11
Triggering " " # " ! " # #! ! # #! ! "("# ' ! " ! " " # # #! ! " " " " " $ " #! !" # #! ! "("# ( #! ! "("# ( ! " ! # ! !" # ! & # # ) " " "# !#" $ ! " ( & % ! ( ! # $ & % ! " ! $ "# * $ " ! " ! " " $! *
Triggering Types Trigger Modes AC Line Voltage 1 ( ' (& & '#)& ' )' ) + " -#) & ## " ( ' " ' & ( (# ( $#+ & " & %) " - , !$ ' " ) * ' ') ' ( " %) $! "( " $#+ & ')$$ ' )' ( ( .
Triggering Automatic 1 ( ' (& & !# )(# !# (' ( #' #' #$ 0 %) & + * #&! * " (& & # ' "#( # )& )(# !# )' ' ( ! & ( ( '( &(' ( & (& & * "( # )&' "#( & (& & * "( ' "#( ( ( #& ( ( ! & ( ! ' #)( ( #' #' #$ #& ' (& & "-+ - " ( # ( ! ( + (' #& (& & * "( $ " ' #" ( ( ! ' ' (( " + & ( ( )(# !# + " #& " (& &' " ( ' " # * (& & " * "(' # ' "#( '-" ( + * #&! #" (
Acquisition Interval Acquisition Interval Trigger Points Trigger Level Holdoff Holdoff Holdoff Triggers are Not Recognized During Holdoff Time )& ) #- - .. & ,)' '#(#'/' ")& ) 0 #& & .) ' 2#'/' 0 #& & ) - ")1 .) - . ")& ) - ! ! ! )( * ! 5 " '#(#'/' ( ' 2#'/' ")& ) 0 ,# - 1#." ." "),#4)(. & - & ! ! $ $ $ #( .
Triggering Trigger Position #!" ! % " % $ " " # ! " "! ' # ' !# " % " ! " " " " # ! " " ! " " " " " " # ! " " ! " !"" " ' # $ !# ( " " ! " ! "" " " " " ! ' ! " % " " # ! " % $ # ! " " ( " # % "
! " " ! ! " " ! ! & " !&!" " " $ ! " # ! " ! #! " & " ! & # ! & " # ! " % $ #! '! " #! '! # & " $ "! " " " $ " ' ' '
Acquisition $ " # " # ! "" " # $# " % !# # # # # "" # # & % ! ! ! " " ! # " # ! ! " # # # $# " ( " # % # % # " # ! $ ! # # !% " $! * +5.0 V 0V +5.0 V 0V 0V -5.0 V Input Signal Sampled Points 0V -5.
Acquisition Sampling # $ " ## & "$ $ %$ # $ $ " # ) " ## # %" , Record Points Sampling Rate Figure 2Ć5:ăRealĆTime Sampling Interpolation %" $ " * $ SCALE ' # %# # $ # $ ## # "$ " $ " # $ $ ' & " " " # " $ $ " $# $ #$ " $ # # # $ !% " " " $# $ % $ " " ) % $%" $ " * $ SCALE $ $ $ $ $ $ # #
Acquisition Acquisition Modes Bandwidth ! " "+"/"% &* "##&* &' *,''&)+* +!) (,"*"+"&% $& * " ( !" ( $ ) & ) )* +& +! ) % & ) (, % " * +! + % &* "##&* &' % 1 (,") % "*'# . ,) + #. +! + "* -"+! # ** +! % ++ %, +"&% &, % * + " ) %+ % -" +!* -"+! +! " "+"/"% &* "##&* &' &- ) % -" +! * ++"% * # + .&, #"$"% + +! !" ! ) ) (, % .
" ! $ % ! " $ " $ ! " $ $ " ! $ ' " ! " & " " ! ' # " !
! # # $& ' $# # ) $%"& %' ! *&' " "' ! '%& & ( $& #"% & "! " & % & ) ( "$ + "( ! & '# "$ ")! "! & %# + "$ * # ) ! &$+ ! &" " # $ ' & # ) ( "$ % +"' ! #'& "! "( !"& $ ! " # $ & "$ +"' ! "( $ + & &)" ) ( "$ % "! &"# " "& $ " "( & % & ) ( "$ &'$! & ( $& !" "' ! %" & $ & ( $& % & , ! "% "% "# % ")% & % ! (" &% # $ ( % "! "$ & ( !! &") $
Scaling and Positioning Waveforms Aliasing & (( &+ 1'- + / . '*% /!, * )- & 1 $'/ * , & , ,- $ / . '*% !& !&(-, '* / . '*% !+ &', +, $ . & , '- , $! , & 0, ,' TRIG'D !+ $!, $! +!& ' -*+ -+ , '+ !$$'+ '( &&', + %($ , +! & $ +, &'- ,' '&+,*- , & -* , / .
! " $ ! %+ $ +) 0%%# *% ) #%( * " - * %+* $ $ * '+ ( ) $ " $ /%+ &( )) * +**%$ &%(* %$ % * - , %(# ( %( $ .& $ %( %#&( )) %$ * )&" / +* * ( %( &% $*) )* / * ) # %%# ) , (/ +) +" - $ /%+ - ) *% * #&%( ( "/ .& $ - , %(# *% $)& * )# "" *+( ) %$ * * - , %(# %( . #&" /%+ # * +) 0%%# *% * #&%( ( "/ .& $ * (%$* %($ ( % &+") *% $)& * *) (( * %$) ) 0%%# *% .
Measurements * / % &) ##&) &' %&* &%#. )'# .) ( ' ) & ,&#* , ()+) * $ * #)& % #' .&+ $ )+( * )'# . % &($ * &% ) +( 1 Cursor Readouts Automated Measurements Graticule D 0$ 0$ Cursors Ch 1 Frequency 100ĂMHz Ch 1 Period 10Ăns Figure 2Ć8:ăGraticule, Cursor and Automated Measurements Measurement Sources &) ##&) &' '(&, ) * ( $ )+( $ %* # )) ) .
!# "! % "% !& % & ! & %'$ & ' &% *!' %" * !%& ! & %'$ &% & ! !' $ !'& % "% !& ' $ ! " , '&! & %'$ &% '% $ !'&% &! % !) %'$ & %& &'% % $ !'&% $ '" & % & !% !% !" #' $ % ) & !$ *!' % && % # ! !# "! '$%!$% $ %& %*,&!,' $%& %'$ &% !' & %'$ , &% * !( & '$%!$% $ & $ ' $ ( ' % $! & ! % $
Tracking mode #523/23 /0%2!4% ). 4!.$%- 9/5 -/6% both #523/23 !4 4(% 3!-% 4)-% 53).' 4(% '%.%2!, 0520/3% +./" / !$*534 4(% 3/,)$ #523/2 2%,!4)6% 4/ 4(% $!3(%$ #523/2 9/5 053( 4(% "544/. 4/ 3530%.$ #523/2 42!#+).' !.$ 53% 4(% '%.%2!, 0520/3% +./" 4/ -!+% 4(% !$*534= -%.4 3%#/.$ 053( 4/'',%3 4(% #523/23 "!#+ 4/ 42!#+).' /5 #!. 2%!$ -/2% $%4!),%$ ).&/2-!4)/. !"/54 (/7 4/ 53% #523/23 ). Cursor Measurements, "%')..).' /. 0!'% = 2!4)#5,% -%!352%-%.
' ' ( #" ' & ' ( ( ' # #$ & ( " ( ( - " #' #' #$ ( #"( "' " $ ( '( # ( ' ' ,#) " $ & #&! + ( ( ( - " #' #' #$ ' ( ' ' ( #" (# "'+ & '$ %) '( #"' #)( "'(&)! "( #$ & ( #" ' ( ' ' " ) H %) ' ( #" # ' H &# #!$ "' ( #" H )(#' ( H &# ( #" H # #& H ) ' & & " H )&'#& ')& ! "(' H !#( #!!)" ( #" H , & & " H * " " " ()$' H '$ , # ' H * " " " *
# ! ! # " $ % ! ! $ ! ! !
Acquisition Mode Single Waveform Acquisition Takes One Acquisition per Trigger Uses first sample in each interval over single acquisition Takes a UserĆSpecified Number of Acquisitions per Trigger Multiple Waveform Acquisitions Waveform Drawn on CRT Acquisition 1 2 Acquisition Mode Waveform Drawn on CRT 3 ! Uses Sample Mode for Each Acquisition Finds highest and lowest record points over many acquisitions
%) ' ( #" # ' * & # $ "! & # # ! & % $ " " ! " $ !# " ! $ # ! " ! ! # ! ! ! ! # ! " " " $ " #! " " $ ! " " " # " # ! " % " " ! !" $ #! # ! " ! %) ' ( #" #)( # ! " #" " " " " ! & # ) ! %! " !" " " # ! " !&!" # !" ( #
Acquisition Modes & " ! Envelope Average & " ! ! " $ # ( ! # # " ! & ! " ! ' Stop After " ! " % ! & $ # " ! " $ # ! " " & " " ! SHIFT ACQUIRE M
Acquisition Modes ' (( Single Acquisition Sequence ( ) ( ! ) $# ! )( .$* '*# ( # ! ( &* # $ &* ( ) $#( . %' (( # ) RUN/STOP *))$# # "%! "$ ) ) / # $( !!$( $% , !! &* ' , + $'" ' $' , ) ) '() + ! )' ' + #) # ()$% # #+ !$% $' + ' "$ ) ) / # $( !!$( $% , !! " ) (% #*" ' $ &* ( ) $#( )$ $"%! ) ) + ' # $' #+ !$%0 # ) ( #) $ &* !. ( ! ) # ! &* ( ) $# &* # , ) $*) (%! .
'&!% & ' & ! &% *!' #' * ! & %" * %& ) ( !$ ! '% % + '&!% & '&! & * % &% '" & $! & " ! &$! % % ! & $ & $ %& % ! & "'& % & % ' %& $ % $ & ' ! &$! , *, ! &$! % &'" '&!% & % '%& &% & % $ % #' % & ! %" * !$ +! & $ $ $&
Autoset TableĂ3Ć1:ăAutoset Defaults Control Changed by Autoset to ','%4'& %*#..', 5-'2+%#,,8 ,/7'34 /( 4*' &+30,#8'& %*#..',3 %15+2' /&' #-0,' %15+2' 4/0 (4'2 $544/. /.,8 +30,#8 48,' '%4/23 +30,#8 .4'.3+48 ; 6'2#,, ( ,'33 4*#. 3'4 4/ +30,#8 /2-#4 ! /2+9/.4#, /3+4+/. '.4'2'& 7+4*+. 4*' )2#4+%5,' 7+.&/7 /2+9/.4#, %#,' 3 &'4'2-+.'& $8 4*' 3+).#, (2'15'.: %8 /2+9/.4#, +-' #3' #+. .,8 /2+9/.4#, '%/2& '.)4* .%*#.
Color (TDS 644A) #! ) " $ " $ "# " % $# ) % # ! $$ # "# ' $ "# $ ## $ ' $ ! # " $ Operation " %! $ " % " ## DISPLAY $ # ' $ #! ) % " ## Settings $ % % $ ) % # $ Color " $ ! !*%! % # %" * Figure 3Ć4:ăDisplay Menu Ċ Setting Color $# ) % $ " " # $$ # " & " %# #! ) ! $# #% # ' & " # $ ($ Display $# ) %
Color Choose Palette & $ ! %% #$ # & !# *$ % ! %% $ $ % $% #% ! %% ) $ % Palette # % & % % ' ! %% $ % $ & Normal Bold Hardcopy Preview # Monochrome $ # ) & # &$ ! #$ $% $! ) ( $ % ' #) % # ! % ! %$ ! #$ $% $ Persistence Palettes $ Temperature Spectral # Gray Scale # % # $& % $ & $ View Palette
Color ScrTxt Figure 3Ć5:ăDisplay Menu Ċ Palette Colors ! ( $# $ ( $!$&' , %& '' # & % ( !, Color # ( ' " #) ,$) + #( ($ )' ( ($&, )!( $& ( ' $!$& %& '' ( ' " #) Reset to Factory Color $$' Hue &$" ( ' " #) # )' ( # & ! %)&%$' #$ $& ,% ($ ' ! ( ( ' & ) !) ' & # &$" ($ "%! * !) ' & !) " #( & , !!$+ & # # , # $$' Lightness &$" ( ' " #) # )'
Color & # % " " !! " ! " " % $ " ! !! Color & " # " ! & # % " " ! " " % $ " " ! ! " % $ " ! ! ! " Color Matches Contents " " % $ ! ! # % $ ! " " % $ % #! " " !" !" "# " % $ "# " " " & # "! ! " Reset to Factory Color Set Reference Waveform Color % $ ! !! Map
Color Select Options $ ! ! $ $ $ # ! $ # ! Options " ! ! ! ! % " $ ! " ! & % ! Collision Contrast ! " ! ON Restore Colors ! ! ! ! % " ! !! ! " Restore Colors ! " ' ! $ ! % " $ ! ! % Reset Current Palette To Factory Reset All Palettes To Factory Reset All Mappings T
Cursor Measurements & ' (%&"%& '" &(% ' % ! ' % ! ' "% )" ' '* ! '*" " ' "!& ! * ) "% % "% Description (%&"%& % (# " '*" % %& ' ' +"( #"& ' "! * ' ' ! % #(%#"& !" "( ") "! (%&"% ! # ! !' + "% "' (%&"%& ! ' ! # ! ! "! ' (%&"% " & +"( #"& ' "! ' (%&"%& % "('& "! ' &# + % #"%' &(% !' ! "% ' "! % % ' % (%&"% '+# & ! (% -
Cursor Measurements NOTE ! ! ! " & & (+# )&'#& !# ' " ' )& .
Cursor Measurements #$ " $ # '# $ $ # $ $ # $ %"# " " $ & $ $ $" " $ $ " $ $ $ # $ %"# " # D # '# $ $ " $' $ $' %"# "# ( $ %"# "# " $ # " Paired: $ & % $ " D # '# $ & $ " $' $ $ $' # $ $ " D # '# $ $ " " !% ( " * $' $ $' & "$ "# & % $ " # '# $ & $ $ $ $ # $ %"# " "
! ! Position of Vertical Bar Cursors (Useful for Locating Cursors Outside the Display) Cursor Readout (Paired) NonĆselected Cursor (Dashed Vertical Bar) Selected Cursor (Solid Vertical Bar) ! # " ! ! ! ! % ! # ! ! ➞ ➞ ! # ! ! !
Cursor Measurements Time Units +1 * %++/" 0+ !&/,( 4 2".0& ( . 1./+. ."/1(0/ &* 1*&0/ +# 0&)" +. #."-1"* 4 # 4+1 % 2" ,0&+* &!"+ 4+1 * (/+ !&/,( 4 0%" ."/1(0/ &* 0".)/ +# 2&!"+ (&*" *1) ". ."// CURSOR ➞ Time Units ) &* ➞ seconds +. 1/seconds (Hz) +. 3&0% ,0&+* video line number /&!" Amplitude Units # 4+1 ." )" /1.&*$ /&$* (/ 4+1 * %++/" 0+ !&/,( 4 2".0& ( ." !&*$/ &* 1*&0/ # 4+1 ." 0.4&*$ 0+ !+ 0%&/ 4+1 /%+1(! % 2" +,0&+* &!"+ .&$$".
( ) %) ""%) %& ) &(%, # $ * # ) $ " . * # ) " . * # ) " ! * # $ * # ) ( '+ ( ) *( ( ) $ " $ $ $&+* )%+( * *% * * ) $ " %+ $ %$". +) " . - * ( )& * *% * # $ *( ( $ (* $ " )) ) % # $ &+") *( () ( ( *-% ( $* - .) *% " . * '+ ) * %$ % - , %(#) $ $". " . *( ( " +) ) * " . *( ( ).
Delayed Triggering * '& ' (& %.&# ' ' ! * '& "% ' ! +' , '% % ) !' ! ' ! $( % & * '& "% ' &# !( % " , '% % ) !'& ! ' ! $( % & * '& "% ' &# !( % " , '% % ) !'& ' ! * '& ' (& %.
Pretrigger Record Posttrigger Record Delayed Runs After Main Delayed Trigger Waveform Record Main Trigger Point Main Trigger Source Time Delay (From Horiz Menu) Start Posttrigger Acquisition Delayed Triggerable By Events Delayed Trigger Waveform Record Main Trigger Point Main Trigger Source Delayed Trigger Source Start Posttrigger Acquisition (Trigger on nth Delayed Trigger Event) Waiting for nth Event (Where n=5) Delayed Triggerable By Time Delayed Trigger Waveform Record Main
Delayed Triggering Delayed Triggerable ). '.,- ' % ,.+ -# - -# $( +$"" + ' (. , --$(", + )'* -$ & 0$-# & 2 +$"" + & + ,, TRIGGER MENU ! Type $, , - -) Logic *+ ,, Type ' $( -) # (" $- -) $-# + Edge )+ Pulse , !$-, 2).+ **&$ -$)( )"$ -2* $, $( )'* -$ & 0$-# & 2 +$"" + & ! Source $, , - -) Auxiliary *+ ,, Source ' $( & - (2 ,).+ )-# + -# ( .1$&$ +2 !+)' -# ,$ ' (. )+ $(" -) 2).
Delayed Triggering , -- Source ' $( ➞ Ch1, Ch2, Ch3 Ax1 )( .# Ch4 Ax2 )( .# ), Auxiliary -$ Figure 3Ć15:ăDelayed Trigger Menu , -- Coupling ' $( ➞ DC, AC, HF Rej, LF Rej, ), Noise Rej -$ .) !$( #)1 .# $(*/. -$"( & 1$&& )/*& .) .# & 3 .,$"" , ), - ,$*.$)(- )! .# - )/*&$(" .3* - - )( * " 5 , -- Slope ' $( .) - & . .# -&)* .# . .# & 3 .,$"" , 1$&& ) /, )( #))- .1 ( .
Delayed Triggering ) % # $ $ "$ # " $ + $ # , # ! " % # $ " $" " & # ' #$ " & # $ !! # %# $ $" " & " # ( $ * & # # " $ $ " $ + $ ($ # " # $$ $ " + $ $" " " # * + ' # # " $ $ $)! + " + & For More Information Set to 50%
Display Modes % + !$ !$ !" $" * ( ' !# # !# $ # % ( *$ $" * & %$ *!& &$% % !$ !$ !" $" * $%* % $ %* ' # % & !# % Operation ! # &" % $" * & # $$ DISPLAY %! $ !( % $" * & % "# $$ Setting % & & % *!& $ % Display #! % "!",&" & Display %$ *!& &$% % $%* % $ %* ' # % & !# % , %&# $ $ # !( Color %$ *!& % # ! !#
Display Modes Vectors & 1 2&# "'1.* 7 "0 5 4#!2-01 *',#1 #25##, 2&# 0#!-0" .-',21 Dots "'1.* 7 5 4#$-0+ 0#!-0" .-',21 1 "-21 Intensified Samples *1- "'1.* 71 5 4#$-0+ 0#!-0" .-',21 1 "-21 -5#4#0 2&# .-',21 !23 **7 1 +.*#" 0# "'1.* 7#" ', 2&# Zone !-*-0 -0 ',2#,1'$'#" 0#* 2'4# 2- 2&# ',2#0.-* 2#" .-',21 , ""'2'-, 2- !&--1',% ,2#,1'$'#" +.*#1 ', 2&# 1'"# +#,3 2&# -1!'**-9 1!-.# +312 # ',2#0.-* 2',% -0 --+ +312 # -, 5'2& '21 &-0'8-,2 * #6.
!(&" , % ( !(&" , %*) #)( #$( #"' #"(&# + ( & ( (& & " (#& (& & * & " )&& "( ( " ( ! $$ & #" ( '$ , #$( #"' '# #"(&# + ( '(, (& & * & #" #& ' #&( ' '$ , & '' ➞ %*) ! " # !(&" , '! ' %!$) ' (# ' ( + ( & #& "#( (# '$ , " ( " ( (& & $# "( #) " ' ( #& (& & $# "( " ( ' ( $#' ( #" # ( (& & " ( + * #&! & #& & '' '! ' ' ),"
Display Modes Filter Type &$ , ' % ',$ & % & " + + "' %$# ' #" " " % "' %$# ' #" #% !#% " #%! ' #" & ' "! #&% & ' #" $ .
Display Modes XY (*& , (&) * + ," .(%, ! % . %+ ( ,/( / . (*& * (* + )(#', 1 )(#', " , #+ ," #!#,#2#'! (+ #%%(+ () #+)% 1+ !* )" ( ," .(%, ! ( (' / . (*& * (* ! #'+, ," .(%, ! ( '(," * / . (*& * (* "#+ &( #+ ) *,# -% *%1 -+ -% (* +,- 1#'! )" + * % ,#('+"#)+ ( + , ," #+)% 1 0#+ (*& , * ++ DISPLAY ➞ Format & #' ➞ XY (* YT +# " ' 1(- "((+ ," &( ," #')-, 1(- " .
Display Modes For More Information TDS 620A, 640A & 644A User Manual 3Ć31
" " " ) "' # (%& * " ' '% % &#(% $ && & ' %#( &$ )# ' ) " &$ % ' #" ' '% % & #$ #( * + (& '% % " #% !#&' # +#(% ! &(% ! "'& #( " & ' ' &#(% #($ " & #$ ) " !# ('# #% "#%! " " %$# % % % #(' & #*& &#! + '% % $ % ! ' %& (% , Main Time Base Time/Div Main Trigger Source = Ch 1 Main Time Base Main Trigger Slope = Rising Edge Main Trigger Leve
Edge Triggering Figure 3Ć19:ăMain Trigger Menu Ċ Edge Type Coupling ! % & & !'" *!' ) & $ %% TRIGGER MENU ➞ Type ➞ Edge "!",'" ➞ CouĆ pling ➞ DC AC HF Rej LF Rej !$ Noise Rej % DC " %% % ! & "'& % !& $ )!$ % & " %% % !& ! "! &% &! & &$ $ $ ' & AC " %% % ! * & & $ & ! "! &% ! "'& % !( + & $ !( % & ! "! & $! & &$ $ % HF Rej $ !( % & $ #' * "!$& ! !
! $ % % $ !" % % % %# # ( ! &# ! # $$ % ➞ ➞ "!",&" ➞ % # % ' $ !# $ !" # % # $ $ # $$ % ➞ ➞ "!",&" ➞ ➞ !# $ %$ *!& % # % %# # ' &$ % # "&#"!$ ! !# % *" ) $ % %# # ' % + ) $ % %# #
% % # $ $! $ &, % % + &# & +!$ % * # + + +)! ) $& ,*!% + !* $ %, !+ $ )! )!% &% ' 2 &) $&) + !#* ) ** + ➞ $ $! $ $ !% ➞ ('$ &) $%* " ! *! % ('$ $& + &* !##&* &' (,!) * . - &)$ + ) *' ! ! +!$ * # '* - % ! +)! ) & * %&+ & ,) $&,%+ & +!$ + &* !##&* &' . !+* ' % * &% + +!$ * * ++!% % $%" ! $& + &* !##&* &' (,!) * .
+ # ) $%) $# ! $# %'$+ ( ) () $*' ' ' #( $'" !!$,( .$* )$ )' #( $'" , + $'" '$" (%! . $ )( "%! )* #() ) " )$ $# ) ) %!$)( ) "%! )* ( $ ) + ' $*( ( ' ) ' &* # ( ) , + $'" $#) #( *') ' .$* # !($ (%! . ) % ( ( )( $ ) $( ' &* # ( ( " ) , + $'"( # ) $!!$, # %%! ) $#( () # "%*!( ' (%$#( $ !) '( # (.
Fast Fourier Transforms "' % !$ ,! & % !$ & ) ( !$ % % ) +% *"$ %% $ #' + " $ ( % ! ) & & &- !%& "! & ! & ) ( !$ $ "$ % & , $! $ #' + ) ( !$ % % ! & % "$! %% ! & ) !)% !$ ( $% & &+ %'$ & $ #' + ! & & ! ) ( !$ % !$ * " !)% & !% !% !" &! ! "'& % ! %!'$ ) ( !$ % & & '%& #' $ % ! % &$ $ & '% ' !$ %'$ &
"# $! ! ! " ! " $! ( ' % ! $ # /%" ."'" /"! ( /% 2 1"#*-( &. )*/ +-".. # ( # .&!" ➞ ( &) "" &$0-" 5 -".. # $! # .&!" -"+" /"!'4 0)/&' /%" % ))"' .*0- " ."'" /"! &) ./"+ ++" -. &) /%" (")0 ' "' -".. # !# # .&!" -"+" /"!'4 /* %**." #-*( /%" #*''*25 &)$ 1"-/& ' . '" /4+". H 6 $)&/0!" &. !&.+' 4"! 0.&)$ '*$ . '" "3+-"..
Fast Fourier Transforms Hamming / &, ## + " #+ #& & '# * " & %) " ' ( ( & * &, #' (# ( ' ! * ) + ( '#! + ( !$&#* !$ () )& , #* & ( & ( " ) & + " #+ Hanning / &, ## + " #+ #& ! ')& " !$ () )& , )( & #& & '# * " & %) " ' BlackmanĆHarris / '( + " #+ #& ! ')& " ( !$ () # & %) " ' )( +#&'( ( & '# * " & %) " ' (#$ #" $ . $&#* ' " $( ".
Fast Fourier Transforms Cursor Measurements of an FFT ) ! 4*0 $ 1! %.+' 4! ) ( /$ 2 1!"*-( 0.! 0-.*-. /* (! .0-! %/. "-!,0!) 4 (+'%/0 ! *- +$ .! )#'! ! .0-! MORE %. .!'! /! %) /$! $ ))!' .!'! /%*) 0//*). ) /$ / /$! ( /$ 2 1!"*-( %. .!'! /! %) /$! More ( %) (!)0 -!.. CURSOR ➞ Mode ( %) ➞ Independent .% ! ➞ FuncĆ tion ( %) ➞ H Bars .% ! .! /$! #!)!- ' +0-+*.! &)* /* '%#) /$! .!'! /! 0-.*- .*'% '%)! /* /$! /*+ *- /* )4 (+'%/0 ! *) /$! 2 1!"*-( 4*0 $**.
Fast Fourier Transforms Figure 3Ć23:ăCursor Measurement of an FFT Waveform & '' Function ! " ➞ Paired ' ' ( ( " %) )'( #)( " (# $ ( * &( & # $ & )&'#& (# ( $# "(' #" ( #& .#"( , ' -#) & "( & '( " ( !$ () (+ " ( # ( (+# $ & )&'#&' &#! ( (#$/!#'( D: & #)( ( !$ () # ( ' #&( #& .#"( & # ( ' ( '# )&'#& & ( * (# ( & &#)" *# (' #& .
$!!$, # )$% ( ( *(( ) ' ! ) $# $ ) ($*' , + $'" )$ ) ' $' ! # ) ' &* # - ' ($!*) $# # ' &* # - ' # $ ) ' / &* # - $" # ' $' ' &* # - $" # , + $'" ( ) " ) , + $'" ) ) -$* (%! - 0 ( (%! - $ ) " # )* $' % ( ) '$" ) ( ' &* # - $" # ' $' ( ' + '$" ) ) "
Fast Fourier Transforms FFT Time Domain Record = Waveform Record % ! ! ≤ Zero Phase Reference FFT Time Domain Record = 10k % ! ! > Zero Phase Reference Figure 3Ć24:ăWaveform Record vs.
4 4 " + %($ * , $+' , *%#& + ," * &! ," + * )- & # + +( & ," 1 +( & *'% ,' 3 ," + %($ * , ' ," / . '*% * '* " .
)* %+(! ( ( $) %(#) %( $ * *./ *!/ ) 3*0 2$'' 2 )/ /* 0. .#*-/ - *- ' )"/# 0. (*- *! /# 2 1 !*-( ) . ) *) . - ) ) '*)" - *- ' )"/#. ) .'*2 *. $''*. *+ - .+*). *2 1 - '*)" - *- ' )"/#. '*2 - /# )*$. - ' /$1 /* /# .$") ' ) $) - . /# !- ,0 ) 3 - .*'0/$*) !*- /# *- $(+*-5 / )/ /# 3 ($"#/ ) /* +/0- /# 2 1 !*-( ! /0- 3*0 2 )/ /* $) '0 $) /# * .+ 0+ *. $''*. *+ - .+*). 2# ) 0.$)" '*)" - *- ' )"/#. 3*0 ) . 1 3*0- .
! " ))' &1 3- /- - #." , -#( 2 2 ), &#( , #(. ,*)& .#)( 1" ( 2* ( #(! #-*& 3 1 0 ),'- ) - & . ." #(. ,*)& .#)( ' .") *, -- ➞ !! ' #( ➞ $ *)*7/* ➞ ! ' #( ➞ # # ), -# ), # 3)/, )- #&&)- )* ) - (). " 0 )&), *, -- ➞ % ! ' #( ➞ # # ), -# ." -)/, 1 0 ),' , ), & (!." #- *)#(.- ." 1#&& /- ))' .) #( , - ." *)#(. , +/ ( 3 )' #( , ), .) *)#(.
() $*' ' ' #( $'"( %($!,- Nyquist Frequency Point * )- & 0 Aliased Frequencies Actual Frequencies *' . - $+ ! ( ' &* # ( %% ' # # $#( ' ) $#( $' ( (%! ,( & 0'- + , -( & % , / . '*% ,' !+($ 0 , ( + & $ ' , * )- & ! + '&, !& !& / .
*+ ',)" ) ) &* ')%* -0 0$"-0#1 5(2' *$,&2' 1$2 2'$ 20(&&$0 .-1(2(-, 2- 1$ 2'$ '-0(7-,2 * .-1(2(-, ),-! 2- +-4$ 2'$ 20(&&$0 -, 1"0$$, 2- 2'$ "$,2$0 '-0(7-,2 * &0 2("3*$ *(,$ -0 0$"-0#1 5(2' -0 *$,&2'1 ,-2 ** *$,&2'1 0$ 4 (* !*$ %-0 ** +-#$*1 9 "-,13*2 6-30 1$0 + ,3 * 1$2 2'$ 20(&&$0 .-1(2(-, 2- -0 0$1.$"2(4$*6 1$ 2'$ '-0(7-,2 * .-1(2(-, ),-! 2+-4$ 2'$ 20(&&$0 -, 1"0$$, ,# 2- 2'$ "$,2$0 '-0(7-,2 * &0 2("3*$ *(,$ 0(&&$0 -, 2'$ (,.
! " ! $ !) &! !"& , +!'$ %" + ! & $ !'& !) & ) !)% & !$ ! "'& & & ) ( !$ $%& ) !) " +!' & !$ '% ' %" +% " .
FFT Time Domain Record Xs FFT Window FFT Time Domain Record After Windowing FFT FFT Frequency Domain Record " " # # " " " # " " " " $ " " " " "
Fast Fourier Transforms Window Characteristics 1 " * ) ( " + " #+ #& )' -#) ! + "( (# , ! " #+ ( !# ' ( ( ! #! " ( )& 0 ' #+' + " #+ (' " $ '' & ( & '( " + ( " '( ' # #"' & ( # #+ " & ( & '( ' " &&#+ & ( "(& # #& * " + " #+ ( (( & ( " & '# * & %) " - #+ & ( # ' #" ( ' # "(& # & ( (( & ( !$ () )& - # ( & %) " - ! ')& " ( )' " ( ( +
FFT Window Type Bandpass Filter Ć3 dB Bandwidth Highest Side Lobe ) % & # !( !( !( ) ## $ !( ! # $ !& % ( &$ $ " ( !($ %! $&# % % % !$% % # $% " #%$ ! % $ % % ! # !# # "!$
File System (Optional on TDS 620A & TDS 640A) % % $ & ( ! $ ( % % # !") ' %&" ' ' !# $ &$ ' $ )!& ' # %) ! %&# $ !# % !"") $ Operation % % $ & %$ )!& % # !") "# % $ # % ( # %!#) !" # % % ! # % !' #(# % ! !# % $ $ ! # &" % % % $ & # $$ % SETUP &%%! %! # &" % ' %&" & !# "# $$ % WAVEFORM &%%! %! # &"
!& % ! # $" ! % $ $ $ !( % &"" # # % !# # ! % $" ) % * !$ !$ !" $ !($ % !& % )% $ ! ! ' #% % !& % %! )% $ )!& $ " ) & % " ) % )% $ !& % % $ &$ % $ !( &# + )% $ )% $ )% $ $ ! $
!" +() # ! *' - , !" +() # .
# ##!% $ %, * &,# '' ) ,)% + % ) # ',)'&* "%& &) ,* + $ !%3$ %, ))&.
/4 #!. '%3 ! #/08 /& 3(% $)')3)9).' /2#),,/2#/0% $)20,!8 "8 42).' 3(% (!1$: #/08 &%!341% %0%.$).' /. 3(% /43043 &/1-!3 8/4 2%,%#3 8/4 #1%!3% %)3(%1 !. )-!'% /1 ! 0,/3 -!'%2 !1% $)1%#3 ")3 -!0 1%01%2%.3!3)/.2 /& 3(% $)')3)9: ).' /2#),,/2#/0% $)20,!8 ,/32 !1% 5%#3/1 0,/33%$ 1%01%2%.3!3)/.2 /& 3(% $)20,!8 )&&%1%.3 (!1$#/08 $%5)#%2 42% $)&&%1%.3 &/1-!32 (% $)')3)9).' /2#),,/2#/0% 2400/132 3(% &/,,/6).' &/1-!32 ().+*%3 ).+*%3 01).3%1 %2+*%3 ).+*%3 01).
Hardcopy Operation ! ' $ ! ' ' $ # " # $ $ # " ! ' ! # !" " " $"" ""$ " # # # ! ' % " ! ' # # # !# # ! ! # # " # # " " ( Setting Communication Parameters " # $ # $ # ! # !" # # # ! # ! ## ! # ' # # " " !# ! "" SHIFT UTILITY ➞ System ➞ I/O ($ ➞ Port ➞ GPIB ($ ➞ Configure ➞ Hardc
Hardcopy Setting Hardcopy Parameters * .+! %"3 /$! $ - *+3 "*-( / ' 3*0/ ) /3+! *" +*-/ 0.%)# /$! $ - *+3 (!)0 -!.. SHIFT HARDCOPY MENU /* -%)# 0+ /$! - *+3 (!)0 -!.. Format ( %) ➞ Thinkjet Deskjet Laserjet Epson DPUĆ411, DPUĆ412 PCX PCX Color TIFF BMP Mono BMP Color RLE Color EPS Mono Img EPS Color Image EPS Mono Plt EPS Color Plt Interleaf *- HPGL .% ! -!.. -more- .% ! /* .!! '' *" /$!.! "*-( / $*% !. -!..
Hardcopy ( +,() ' #+ * ," " * ()1 #'! + ', )* ++ HARDCOPY ! #' ," " * ()1 #' )*( ++ & ++ ! #+ +,#%% (' + * ' ( #,#(' % " * ()# + ,( ," )*#', * +)((% )* ++ HARDCOPY ! #' ," " * ()1 #' )*( ++ & ++ ! #+ * &(.
Hardcopy Date and Time Display Figure 3Ć33:ăDate and Time Display & ' " % $(%$#& "# #% ' ,$ '# & ' ' $ % ! ' % ,#( ) #& " '# ' ) ( & % #%! ' * " (& " ' ,$ & , !#"' #% + !$ (& #% ' % # (" $ ' &' $& " '# & ' #' % $ % ! ' %& & & % % && OK Enter Date/Time & '# $(' ' " * & '' " & "'# ' & & '& ' & #" & '# - %# NOTE
20 2$&($1 %-0 "23 **7 .0(,2(,& "-.7 (,"*3#$ $,# -32.32 120 (&'2 2- .0(,2$0 .*-22$0 $,# 2'$ # 2 2- "-+.32$0 2- .0(,2 %0-+ 2'$0$ ,# -0 2- (+.-02 (,27-30 % 4-0(2$ #$1)2-. .3!*(1'(,& -0 -2'$0 ..*(" 2(-, . ") &$ $,# 7-30 # 2 2- %*-..7 #(1) %(*$ -.2(-, * -, 2'$ %-0 * 2$0 .0(,2(,& %0-+ "-+.32$0 " . !*$ -% 0$ #(,& 2'$ 9 "-+. 2(!*$ %*-..7 #(1) -3 " , "-,,$"2 2'$ #(&(2(8(,& -1"(**-1"-.$ #(0$"2*7 2- ' 0#"-.
Hardcopy GPIB Cable PC Compatible Digitizing Oscilloscope Centronics or RSĆ232 Cable Hardcopy Device Figure 3Ć35:ăConnecting the Digitizing Oscilloscope and Hardcopy Device Via a PC & 8.41 #.-31.++%1 )2 ;#.,/!3)"+% !-$ )3 42%2 3(% %*31.-)7 .1 !3).-!+ -2314,%-32 ; /!#*!'% 8.4 #!./%1!3% 3()2 2%34/ !2 &.++.62 2% 3(% ; #.,,!-$ 3. ,.5% 3. 3(% $)1%#3.18 3(!3 (.+$2 3(% 2.&36!1% 3(!3 #!,% 6)3( 8.41 ".!1$ .1 %7!,/+% )& 8.4 )-23!++%$ 3(% 2.
! $ 1) /# * $% ' & $+ . %$ !$% ' & 1(- / ', ,( %% 1(-* # * ()1 $'!(*& ,$(' , +#(-% # * , *+ %('" /$,# -) ,( # * , * 0, '+$(' (* 0 &)% 1(- (-% ,1) # 0$, ,# )*("* & 1 ,1)$'" 1) #" #" !" /# * $% ' & $+ ,# ' & 1(- !$' $' +, ) ' -,)-, )(*, $+ ,# (-,)-, )(*, 1(-* # * ()1 .$ $+ ('' , ,( +- # + (* ()1 ,# , !*(& 1(-* !$% ,( 1(-* # * ()1 .
' % " ! &' ! # ! ' % " ' % ! ! ! ' % ! ! ! ! ' ! ! "' % ! $ ! % % !
Horizontal Control ! % $ ! % ! Horizontal Knobs $ % $ ! ! ! # " $ ! % $ ! " # " # " ! $ ! ! # $ ! ! % " # # " % ! %
()$/('+ % ('+)(% ()$/('+ % ! (,+* $ $ $ $ # ( $ # '# $ # ) $ $ ' & " " " $ $ $ $" " " $ & $ $ # ( # %" * $ $ ' " " $ $ # ( # '# $ $ & # # $$ # $ $ # " ( " "" $ # %" * $#,)! 1 0 ! () $!- ' $&! *! ! (,+* ()$/('+ % !', " ) $ % $# ( % # $
()%/('+ & ('+)(& $* !($ # ( ! ) !& .! ,'* "+!) %' $' !& .
& " ! # $ $ # % $ % % % % !
" ( '( # ' ' &' ! #%") & * , '" ('" ' , " # % ! " ! "% ' * ) "% !&' ' # ' * ) "% "( & ' ! !) "# " '& %"(! * ) "% ! ' ' ' - ! "& "& "# ! * ) "% & ' ' "('& ' "& '& & (% .
Limit Testing Average $( & ' "! " & ! ,"( ) & ' &"(% & ' &' ! ' "! "% ' ' # ' % && Template Destination & ➞ Ref1 Ref2 Ref3 "% Ref4 Figure 3Ć40:ăAcquire Menu Ċ Create Limit Test Template "* % ' ' !) "# , &# , ! ' "(!' " ) % ' "! %" ' ' # ' ' ' ,"( * '" % ' " % ! ) ( & % +#% &
Limit Testing * & ( $ % # % % # % % $% % ! % $% # % % # $+ % % % ' ' #(# % % % ! % * & ' &$% # % * & ( $ % ' ( % % ! % * & ' # % !# $$ % MORE &%% !# $$ % &%% ## $! % % $% % # #+ #* * & ' &$ ( ' # !! #$ % $! * Dots $! * $ ! Limit Tes
Limit Testing 0', . &+ +' * & ! ) '(0 '%% & .! & . - ')% + / * +! $"%"+* * + +' $ Hardcopy if Condition Met *" +' ON ', & * + +! ! ) '(0 *0*+ % +' * & +! ! ) '(0 +' +! "$ *0*+ % '(+"'& $ '& +! ' &'+ ') + +' * + ,( +! ! ) '(0 *0*+ % '& ( 2 ') + "$* 0', . &+ +! $$ +' )"& .! & . - ')% + / * +! $"%"+* * + +' $ Ring Bell if Condition Met *" +' ON. 0', .
! " #!$ % " #" #% !#% * ) #%!& "&' #!!#" ' !$ ' #% "&' '& #*" ' !$ ' #"& % ' # #* " #$ % ' " % ' % &' & #( & #( & ' " '# " ' ##! & ! "( $(& " $% && % $ ' , " '# ' #% -#"' # & ' & (&' & % ' #& #& #$ * % $#& ' #" * ) #%! #% -#"' , '# !#) ' %&' & !$ " ' * ) #%! % #% ' ' & #('& # ' !$
$!-! -! /1* ' ..!. *" '*#% /-%##!-%)# + //!-) ) ./ /! /-%##!- * 0-. 1$!) /$! '*#% %)+0/. /* /$! '*#% "0) /%*) 3*0 .!'! / 0.! /$! "0) /%*) /* ! *(! *- / 3*0- *+/%*) $!) 3*0 0.! + //!-) /-%##!- 3*0 !"%)! $! +-! *) %/%*) "*- ! $ '*#% %)+0/ 5 '*#% $%#$ '*1 *- * )*/ -! /$! '*#% %)+0/. -! $ ))!'. ) "*- /$! ) 02 ) 02 "*- /$! $! **'! ) '*#% "0) /%*) 5 .
"! $ $ $$ $ #! ) $ " " " %$ # '# # $ ) ! " $ "# $ $" " # %" * Ch 1, 2, 3 Inputs = High, Don't Care, High Ch 4 Input = Rising Edge Trigger Class = State Logic = OR " $ # "! NOTE Logic Set Thresholds
Logic Triggering TableĂ3Ć3:ăLogic Triggers Pattern Definition 1,2 State AND Clocked AND 3 NAND Clocked NAND " 3 " OR Clocked OR " 3 " NOR Clocked NOR "
# % % " (% - , # % % "( % % " # % $ $# ( % $ " $ # # ! ' $" " ' $ $ # $ # & " ' $ $ # $ $ # & %( ) " ! && ' " %( ) " % ' % ' " % $ # " ( %# " ! $$ " $" " " & " ! ) " ## ➞ +$ ➞ # ! !)%! ➞ ! && ➞ '' %" " ' ' ! !)%! ➞ % % " ➞ # & " # & # '
Logic Triggering Mode & Holdoff )/ ( # (" .# #)& )!! .$' ( - & . .# .,$"" , ') /-$(" .#$' (/ $. ' , -- TRIGGER MENU ➞ Type ' $( ➞ Logic *)*3/* ➞ Class ' $( ➞ Pattern ), State *)*3/* ➞ Mode & Holdoff ' $( ➞ Auto ), Normal -$ ( Auto ') .# )- $&&)- )* +/$, - 1 0 !),' !. , -* $!$ .$' # - & *- 0 ( $! .,$"" , ) - (). ) /, # ')/(. )! .$' .# )- $&&)- )* 1 $.- * ( - )( .# .$' - - ..$(" ( Normal ') .# )- $&&)- )* +/$, - 1 0 !),' )(&2 $! .
Logic Triggering Define a Time Qualified Pattern Trigger *0 ) '.* /%(! ,0 '%"3 + //!-) '*#% /-%##!- $ / %. 3*0 .+! %"3 /%(! /$ / /$! **'! ) '*#% "0) /%*) *- (0./ ! '*#% $%#$ *0 '.* $**.! /$! /3+! *" /%(! ,0 '%"% /%*) #-! /!- *- '!.. /$ ) /$! /%(! '%(%/ .+! %"%! . 2!'' . /$! /%(! '%(%/ 0.%)# /$! -%##!- $!) (!)0 .!'! /%*) -!..
Logic Triggering Time Logic Function is TRUE Logic Function (AND) Becomes TRUE Logic Function Becomes FALSE and Triggers Acquisition Time Logic Function Must be TRUE Figure 3Ć43:ăLogic Trigger Menu Ċ Time Qualified TRUE State Operations % /&+ ) # * State #& ! *(! (!% * &) !##&) &' +) ) %% # +.
Logic Triggering Define Logic TRIGGER MENU ➞ Type ➞ Logic ➞ Class ➞ State ➞ Define Logic ➞ AND OR NAND NOR For More Information 3Ć82 Reference
$&# % '$% ! + + / +"(., 0 2, -( & ,.+ )+() +-" , ( 0 / (+&, (. ' ., + -" .% .+,(+ (+ .-(& -" & ,.+ & '-, !", , -"(' , +" , .+,(+, ' + -" .% , + , +" %, 0! + (' ) 4 ' (' ) 4 .-(& -" & ,.+ & '-, + ' + %%2 &(+ .+ - ' *." $ + -! ' (+ 1 &)% & '. %%2 (.'-"' + -" .% "/","(', ! (, "%%(, () 0"%% ('-"'4 .(.,%2 .) - ' ",)% 2 -! , & ,.
&(% ! "' ,&' ! - / . &(% ! "' " ' #"& #"' ! " ' #" , # $ # (*' # $) ) # ), $ ) '%(( $ ( % ),% ' $) )' ( %' ) ) ' %$ % ) )' ( ! # $ # (*' # $) # ) ! $ %' ) "" $ % ) '() &*"( $ ) , + %'# %' ) ' %$ )% "" '%# + "* *") )% %, + "* *") % )( $ " + "* % $( " , # $ # (*' # $) %' ) '() .
Measurement System TableĂ3Ć4:ăMeasurement Definitions (Cont.
! ! $ "'& $ "$ %'$ !&% % "! & $ & % " & ) ( "$ ) ! ") "' ! %# + ! "!& !'"'% + '# & % !+ % "'$ %'$ , !&% & !+ "! & ! !'% $ %# + & $ "'&% ## $ ! & $ & ' $ & !' $ % #&+ & ! & $ "'&% $ %, # + &" & $ $ & % '$ , # " " '% & '&" & %'$ !&% +"' $%& ! &" " & ! %& %#
! # % !( # " $! ! "$! #" " ( " # # # ! * # " # "$! #" ( $ & # ! $ & # $# # "$! #" "( " " $ # "$! # ! $ ( # " # # " ! & % ! $! # ) " " " # ( "$ " #$ # " ( " ( ! & ! "" ! % $ ! ! " ! " " # ! % " ' #
Measurement System Gated Measurements & ! &'$ &% *"' & %'$ !&% &" %# #"$& "! " & ) ( "$ ! & ! % Off & "% "% "# % %'$ !&% "( $ & !& $ ) ( "$ $ "$ ! & ! % & ( & ( $& '$%"$% $ %# * % & % '$%"$% &" ! & % & "! " & ) ( "$ *"' ) !& & "% "% "# &" %'$ % % & $ %% MEASURE ➞ Gating ! ➞ Gate with V Bar Cursors % % '$ + Figure 3Ć46:ăMeasure Menu Ċ Gati
Measurement System ! ! HighĆLow Setup "
"$! # '"# % && & #% & - '& ' % % " ) ( ' & - '& ' ! % % " ) ( ' & & - '& ' #* % % " ) ( ' & - '& ' ! % % " ) (& #" ' & #" * ) #%! &$ " ' + #% & &(% ! "'& ( ' & $! ) ( "$! $ * ! % " ' "$! # + ! &(% ! "' '& +#( ! &(%
Measurement System ! "" Measure Delay to " ! # ' # " # ' & % ( ! " ! Ch1 Ch2 Ch3, Ch4 # Ch1, Ch2, Ax1 Ax2 # Math1 Math2 Math3 Ref1 Ref2 Ref3 Ref4.
Measurement System Creating the Delay Measurement - *!& ' $" % ( ' !# $ *!& # $&# %( ( $ %! &$ *!& %! !% * % % + !$ !$ !" %! "#! ( % % $&# % # $$ Delay To ➞ OK Create Measurement $ ! ) % % $&# * & ( % !&% # % * $&# % "# $$ CLEAR MENU ( # %&# $ *!& %! % $&# & Snapshot of Measurements ! % $ *!& * ( % %! $ ! % &%! % $&# %$ ! $ # % % $ %
*,) % &+ .*+ % ( ., ,' ),"(- ( - #' ,- % #,)% 2 ( -" 0 / (+& -( & ,.+ + ,,#'! & 2 " %) + ,, ➞ & #' + ,, #-" + & #' (+ ,# -( - $ '(-" + ,' )3 ,"(- .," %'- *)%&+ '&*" ) +"'&* ! & #"& & (*!'+* 0 + ( -" (%%(0#'! #- &, 0" ' .,#'! ,' ),"(- ') ') & ')% +"'& ,.
Probe Cal #$- )- $&&)- )* & .- 3)/ )'* (- . .# (.$, -$"( & * .# !,)' *,) .$* .) $"$.$4 -$"( & .) $'*,)0 .# " $( ( )!!- . /, 3 )! .# *,) 3 2 /.$(" )( # (( & 1$.# $.- *,) $(-. && 3)/ ( )*.$'$4 .# )- $&&)- )* * $&$.3 .) ' % /, . ' -/, ' (.- /-$(" .# . # (( & ( *,) /( ,) & (3.$' 3)/ 1$-# .) (-/, .# . .# ' -/, ' (.- 3)/ ' % , ' 1$.# .# ')-. /, 3 *)--$ & )/ -#)/& &-) ,/( ,) & $! 3)/ # 0 # (" .) $!! , (. *,) -$( .# & -.
&$ ! ."// ➞ ! &$ ) &* +1. +/ &((+/ +," 3&(( !"0" 0 0%" 05," +# ,.+ " 5+1 % 2" &*/0 (("! *! !&/,( 5 / .""* )"// $"/ *! )"*1 %+& "/ #+. +),"*/ 0&+* +# ,.+ " $ &* +##/"0 +. +0% /"" &$1." 8 %" #+((+3&*$ /0",/ 3&(( % 2" 5+1 .1* ,.+ " $ &* +##/"0 +. +0% !","*!&*$ +* 0%" ,.+ " 0%" +/ &((+/ +," !"0" 0/ # 0%" )"// $" +* / .""* &/ . 0%". 0% * /'&, 0+ /0", +**" 0 0%" ,.
'% " ! *' . - '% " $* $ !$ %#& $( )!%$ !(&" + ) 5+( 31%( 1/2(04$5,10 /(44$*( ,4 ',42.$9(' &105,06( 8,5+ 45(2 15+(38,4( &105,06( 8,5+ 45(2 ) 5+( 1/2(04$5,10 3313 /(44$*( ,4 ',42.$9(' &105,06( 8,5+ 45(2 15+(38,4( &105,06( 8,5+ 45(2 3(44 ➞ +() # /$,0 ➞ ! '' 212;62 ➞ ''%' % /$,0 ) 5+(3( $3( 511 /$09 (3313 /(44$*(4 51 %( 4((0 10 4&3((0 315$5( 5+( *(0(3$. 263214( -01% &.1&-8,4( 51 4&31.. 51 5+( .
' & & $ ( ( ' $&# )& "" " ( '( $ (# #!$ "' ( #& #( & $&# "" #! " ( #"' )( #& -#) # '# ')& -#) ( "#( # ( # #+ " & %) & ! "(' ! ! & (# &'( #+ & %) " - #!$ "' ( "- $ '' * $&# -#) #"" ( ' ( ( "" " # ( ' $&# )& ! ! & (# #"" ( )( ' !$ $ '' * $&# ' (# ( #' #/ ' #$ #& (+ "(- ! ")( + &! )$ #& &)"" " &# # #+ " (#$ #"( "' " #&! ( #" -#) ' #)
)' $ #",) 1 0 1,* )' $# ) +#'& + &, # $ " " & & $ " # % # " ! "" * -#*+#&" + " # # ! # "# "# ! # " # # ! ! "" ) * )' $ + " # # ! # "# "# ! $" # ! $ " # ! "" # ! # # # ! # "# "# ! $" # ! $ " # ' " %" # # # "
Probe Cal TableĂ3Ć5:ăProbe Cal Status (Cont.) Type Probe Connected2 Probe User Cal'd?1 Action 1Refers 2If Simple Interface3 Complex Interface4 to a channel input that was compensated at the time Probe Cal was last executed for the input channel.
'% %#& $( )!%$ " ! ! $ ! ' ! & " ! % ! ! ' Probe Compensated Correctly Probe Overcompensated Probe Undercompensated ! *' .
Probe Compensation ' $ # # $# ! "" Coupling # # " $ " # W # # # !! # $"# # ! $ # ' $ " ! # ' # # " $ ! & % # " ' $! ( " &" & ! # $"# # " # Figure 3Ć53:ăP6139A Probe Adjustment For More Information ( TDS 620A, 640A & 644A User Manual 3Ć101
" (% 02/"%3 ).#,5$%$ 7)4( 9/52 $)')4):).' /3#),,/3#/0% !2% 53%&5, &/2 ! 7)$% 6!2)%49 /& 4!3+3 /7%6%2 &/2 30%#)!, -%!352%-%.4 3)45!4)/.3 9/5 3/-%= 4)-%3 .%%$ $)&&%2%.4 02/"%3 ()3 3%#4)/. (%,03 9/5 3%,%#4 4(% 2)'(4 02/"% &/2 4(% */" .#% 9/5 (!6% $%#)$%$ 4(% 490% /& 02/"% 9/5 .%%$ 53% !",% = 0!'% = 4/ $%4%2-).% 4(% 30%#)&)# 02/"% #/-0!4)",% 7)4( 9/52 )')4):).' 3#),,/3#/0% 2 53% !",% = 0!'% = )& 9/5 7!.4 4/ 3%,%#4 4(% 02/"% "9 !00,)#!4)/.
Probe Selection + (*' + %-+, , *%!& , !& W + '( !&(-, &(-, ( !, & !+ %- $'/ * , & ! ( ++!.
!1'3# 3,)1 %# -/, #0 0,*#1'*#0 ! ))#" 8 -/, #0 20# !1'3# !'/!2'1 #)#*#+10 02!& 0 1/ +0'01,/0 &#/# /# 1&/## !) 00#0 ,$ !1'3# -/, #0 #! $ & " $ $ & ($%" $ & !1'3# 3,)1 %# *# 02/'+% -/, #0 20# !1'3# !'/!2'1 #)#*#+10 '+ 1&# -/, # "#0'%+ 1, -/,!#00 0'%+ )0 $/,* 1&# !'/!2'1 2+"#/ 1#01 )) !1'3# -/, #0 /#.
Probe Selection # %& '" #% & , "!! ' ,"(% !&'%( !' '" ,"(% ) .(! %.' &' & #%" & ) ' & '% % ' % &' & & &# ' ) #%" & (' (& & % ! & ! Current Probes (%% !' #%" & ! ,"( '" % ' , " & %) ! &(% (%% !' * ) .
#' #%" & ' +"( ! ' (! ' "!& " ! "#' #"* % ' % * ' ' -&# ! " * ) "% ! +& & # '+ " ! "& "& "# "( ) ' # '+ " $( % ! &# + ! ! ! +, ! "#' ! '% & ! & & ( ' ! "(& + ## ' "!& ! ( &(% ! ' '% !& !' "#' #%"# %' & " & %& & '%"-"#' " ( '"%& ! & #& "( ! &" (& ' & #%" & ! ' ) "# !' !( '(% ! ! !' ! ! " % "#' "!'%" !
Probe Selection Probes by Type Table 3Ć6 lists TDS 600A compatible probes classified by type. TableĂ3Ć6:ăTDS 600A Compatible Probes Probe Type Tektronix Model Description Passive, high impedance voltage P6139A (std.) P6101A 10X, 500 MHz 1X, 15ĂMHz Passive, SMD P6563AS 20X, 500 MHz Passive, low impedance ZO P6156 10X, 3.5 GHz, for 50 W inputs (1X, 20X, 100X optional) Passive, high voltage P6009 P6015A 100X,1.
Probe Selection Probes by Application *+/&#- 2 4 /+ !( ..'$4 ,-+ #. '. 4 ,,('! /'+* '$$#-#*/ ,,('! /'+*. "#) *" "'$$#-#*/ ,-+ #. .# (# 5 /+ .#(#!/ ,-+ # $+- 4+0- ,,('! 5 /'+* TableĂ3Ć7:ăProbes by Application TelecommuniĆ cations & HighĆSpeed Logic Industrial Electronics Consumer/ Computer Electronics High Energy Pulsed Power Certification, Regulatory, & Compliance Testing ..
Pulse Triggering ' % &$ $ ! ! ( $+ '% ' "$ * # +"' & & %& ! #$" ' & ) & & ! & #") $ %'## + & ## $% "! + " !%& " % && ! + ! ) & ! "$ & &" ## $ +"' ! '% #' % &$ $ ! &" '&" & + #&'$ +"'$ & $ $ & $ %% % " #' % &$ $ ! & $'!& ! ) & &$ $ " '$% ) ! & &$ $ %"'$ & &% #' % ! $$") $ "$ ) $ ! ) & & ! %" %# & & ! &$ $ "! & % " & $
! # " #
Pulse Triggering Operations Common to Glitch, Runt, and Width $) ' (& & ! ")' ( ,#) " ( $) ' '#)& ' ( ( !# )(# #& "#&! " )'( ( # # # & " )$ ( ) ' & & ! ") & '' TRIGGER MENU ➞ Type ! " ➞ Pulse $#$-)$ ➞ Class ! " ➞ Glitch Runt #& Width $#$-)$ ' )& - Figure 3Ć57:ăMain Trigger Menu Ċ Glitch Class Source ' ( ' ! " ! ") ( ! (# '$ , + "" #! ' ( $) ' (& & '#)& & '' TRIGGER MENU ➞ Type ! " ➞ Pulse $
Pulse Triggering Normal $ # # !% " # ' & " ( $ " # & $" " % " # !% # $ ( " ## FORCE TRIGGER $ $ " ## Holdoff # # $ " %") # " $ ( $ $ " $ & % " $ Glitch Operations ( % # $ $ % # ## Glitch $ # # ' $" " % # "" ' " " ' " ' $ $ # # $ Polarity & Width # % $ $# ( % $ $
Pulse Triggering Runt Operation ,$) ' ! ( Set to 50% ,$) )' ( ( - # $' !!$' $% ($ ' & $& ( %$ #( ! + , (+ # ( % ' $ ( (& & '$)& ' # ! # ' ( ( (& & ! * ! ($ ( ( %$ #( # ,$) ' ! ( ( %)!' ! '' Runt ( $' !!$' $% + !! (& & $# ' $&( %)!' ( ( &$'' ' $# ( & ' $! )( !' ($ &$'' ' $# ( & ' $! $& & &$'' # ( &'( $ ' ( )% &)#( (& & # & '' TRIGGER MENU ➞ Type " # ➞ Pulse %$%.)% ➞ Class " # ➞ Runt %$%.
)"' &! &!# Selected Trigger Bar at Upper Threshold Unselected Trigger Bar at Lower Threshold Runt Pulse Crosses First Threshold Only, Recrosses First Threshold Level, and Triggers Acquisition ! )& - , !# &! & #).
Pulse Triggering Width Operation ! "" # ! #( " ## #! ! $!" # # # # !$ # $ " #" !"# # ! " ( $ " # # $ " "" Width # " " & #! ! $ " !! & ! ! & ! # " " # ( # $ ! # & ! # Polarity & # ! # $ " " ! " # % ! # % ! "" TRIGGER MENU ➞ Type ➞ Pulse )$ ➞ Class ➞ Width )$ ➞ Polarity ➞ Positive ! N
!/4 -"8 6".3 3/ *.3&(1"3& 8/41 /2$*,,/2$/0& *.3/ " 2823&- &.5*1/.-&.3 ".% 1&-/3&,8 $/.31/, 8/41 /2$*,,/2$/0& /1 &7$)".(& -&"241&-&.3 /1 6"5&'/1%"3" 6*3) " $/-043&1 !/4 $". $/.31/, 8/41 /2$*,,/2$/0& 1&-/3&,8 5*" 3)& 3% *.3&1'"$& &."#,&2 %"3" 31".2'&12 #&36&&. *.2314-&.32 3)"3 2400/13 3)& 01/3/$/,2 3 01/5*%&2 &-/3& *.2314-&.3 $/.31/, *%*1&$3*/.", %"3" 31".2'&1 &5*$& $/-0"3*#*,*38 3"342 ".% &5&.3 1&0/13*.
Remote Communication "2& " "2& " "2& " "2& " "2& " "2& " "2& " Figure 3Ć59:ăTypical GPIB Network Configuration Cables 7 * 0! (" 2 &( (" #.+) "'0.+*&4 , .0 *1) ". &/ ."-1&."! 0+ +**" 0 03+ !"2& "/ Connector 7 6,&* +**" 0+. &/ (+ 0"! +* 0%" +/ &((+/ +," ." . , *"( %" +**" 0+. % / 605," /%"(( *! +*#+.)/ 0+ 0! +1 * /0 ' +**" 0+./ +* 0+, +# " % +0%". /"" &$1.
$&* &$$+%! *!&% ' ( *!&% ) , - .* + ')- )''.($ -$)(, (,.+ -# - 1).+ ), $&&), )* $, *#1,$ &4 &1 & -) -# )(-+)&& + ( -# - -# ), $&&), )* * + ' - +, + )++ -&1 , - &." ( - & $(-) -# )(( -)+ )( -# ), $&&), )* + + * ( & ( $(-) -# *)+- )( 1).+ )(-+)&& + , $".+ 3 4 ! +( / . &%% *!% * ! !*!-!% ) !##&) &' *& &%*(&## ( ) , - + ')- )''.
Remote Communication GPIB Configuration Menu Figure 3Ć62:ăUtility Menu For More Information TDS 620A, 640A & 644A User Manual 3Ć119
" ! $ ( & # # " % ! $" " #$ " ! ( ! " " ! ' # ! # " ## $! # $!" ' ! # ( $ ( & # # $ ( ! #$! # ( $! ! " #$ $ " % ! $ # # "#!$ # " #$ " ! # ! " " !( ! # " ! # % & ( $ #$! # " " ! $ $ # " % # $!! # " #$ # # ) " " ! "" ➞ " ! ! ! "#
Saving and Recalling Settings & *+&) * +,' +& !*" &'+!&% # &% + ') ** To File % ,* + % ) # ',)'&* "%& +& * # + + / + !# )&$ + ) *,#+!% * )&## ) #!*+ !% ##0 ') ** + *! 2$ %, Save To Selected File +& &$'# + + &' ) +!&% Recalling a Setup & ) ## * +,' *+&) !%+ )% ##0 ') ** SETUP ➞ Recall Saved SetĆ up $ !% ➞ Recall Setup 1 Recall Setup 2 *! & ) ## * +,' *+&) &% !*" &'+!&% # &% + ') ** From Fil
$ #% % $ # % #% ## % #! '# & " #( # $ #% % $ # #% ## % #! '# " $ ## "% %$ $ # !$ $ # $ "$ ! ( ! ( ! (
Saving and Recalling Waveforms $* # ()$' , + $'" # #. $ ) $*' #) '# ! ' ' # " "$' ( $ ) ) / # $( !!$( $% ) # $'" ) $# ( ' ) # + # , # .$* )*'# ) $( !!$( $% $ $' *#%!* ) $* # ( + #. $" # ) $# $ ' #) ( / , + $'" ' $' ( ) / # $( !!$( $% # (%! .
$ $ ! # ' & $ $ # " $ ! */ ) $**-! .$! " ! ( %) (!)/ %.!( ) .$!) -!'! . .$! ,!"!,5 !) !- 3*/ )* '*)#!, )!! ",*( .$! -% ! (!)/ " " " " *, " ! " $ ! "# ! */ ) ,!(*0! '' -.*,! ,!"!,!) ! 1 0!"*,(- ) -!./+- /-%)# .$! "! ./,! ''! !& ! /,! . %- !- ,% ! /) !, !! 4 !'!.%)# '' !.
Saving and Recalling Waveforms $ %' & % $! $ %& + % ) & .
# " ! ! ! ! ! & $ # ' ! # ! ! " " ! # ! ! $# ! # ! "! $ ! ! # # ! $ ! ! % ! ! ! ! ! ! % " ' $! & %
Selecting Channels Operation ( + % ,$'" # '' % * ++$'" CH 1, CH 2, CH 3 AUX 1 (' ,# (* CH 4 AUX 2 (' ,# ,-*'+ ,# # '' % (' $! $, $+ '(, %* 1 (' (- ( '(, -+ ,# # '' % + % ,$(' -,,('+ /# ' ,*$"" *$'" '+, 1(+ % , ,# ,*$"" * +(-* $' ,# $' *$"" * & '- (* % 1 *$"" * & '- Removing Waveforms From the Display # WAVEFORM OFF -,,(' ,-*'+ ,# $+)% 1 (! ,# + % , # '' % / . !(*& , /$%% %+( * &(.
! ! "#, (, #%%(, () % -, 2(. (&) ', - -" #'- +' % ,#!' % ) -" ., -( *.#+ -" 0 / (+&, 2(. *.#+ ' & ,.+ 2 1 .-#'! -" ,#!' % ) -" (&) ', -#(' -.+ 2(. ' ()-# -" (, #%%(, () ) 5 #%#-2 -( & $ .+ - & ,.+ & '-, , (' -" & # '- - &) + -.+ .' ' '2-#& 2(. 0#," -( ',.+ -" - -" & ,.+ & '-, 2(. & $ + & 0#-" -" &(,- .+ 2 )(,,# % (. ,"(.% %,( +.' ' # -" - &) + -.
Signal Path Compensation Figure 3Ć68:ăPerforming a Signal Path Compensation TDS 620A, 640A & 644A User Manual 3Ć129
# #$" ' '(& ! # !( '& +"( & ! "% ' "! "(' ' "& "& "# &' ' " "# % ' ' ' '(& !( % && ➞ # #$" ! ➞ &"# " & ! ! % ! " "% & "' &" "& "& "# & " !"' ) ! ' '(& !( ! ' & !&'%( !'& #% && ➞ &"# " & ! ! % ! " "% & &"# &# +& ! "% ' "! "(' ' "% ,"!' "" $( & ' "! &(% ! % "#+ &+&' & (% - & &# + &" ' & +"( ' % *
Status Banner ! ! SHIFT STATUS ➞ Banner " Figure 3Ć70:ăBanner Display TDS 620A, 640A & 644A User Manual 3Ć131
Triggering ' '( ) '" # , # ) ) .
Triggering To Set to 50% *0 ) ,0% &'4 * / %) ) ! #! *- +0'.! /-%##!- !3 !+/ "*- /$! 0)/ ' .. 4 +-!..%)# SET LEVEL TO 50%. $! *. %''*. *+! .!/. /$! /-%##!- '!1!' /* /$! $ '"2 4 +*%)/ !/2!!) /$! +! &. *" /$! /-%##!- .%#) ' *0 ) '.* .!/ /$! '!1!' /* %) /$! -%##!- (!)0 0) !- /$! ( %) (!)0 %/!( Level %" #! *- 0'.! !3 !+/ "*- 0)/ ' .. %. .!'! /! */! /$ / /$! MAIN LEVEL &)* ) (!)0 %/!(. ++'4 *)'4 /* /$! ( %) /-%##!- '!1!' * (* %"4 /$! !' 4! /-%##!- '!1!' 0.
! ! $ ! ! $ " ! # " ! $ $ ! " # $ $ #
Triggering Trigger Position Relative to the Display and Waveform Record Trigger Point Indicator Indicating the Trigger Position on the Waveform Record Trigger Bar Indicating the Trigger Level on the Waveform Record Figure 3Ć73:ăRecord View, Trigger Position, and Trigger Level Bar Readouts "& & &$ $ #" !& ! &"$ ! ( $ $ %# + $" & %# + !' "! # , "$ "$ ! "$ & "! Trigger Menu &$ $ &+# " ! #' % % &% ")! ! &$ $
Vertical Control % $" $ & "$ ! # $ # $ # $ ' & " %# $ & "$ % # Vertical Knobs ( $ & "$ # ( % %# ! "$ % " ! "$ ' & " ( %#$ $ & "$ ! # $ ( % & $ ' & " %! " ' $ #! ( $ # ! "$ % " ( %# % ' ( % " ! " $' " " ' & " # $ & "$ # ! # $ %# $ & "$ POSITION & "$ SCALE # & "$ $" # ( $ $
Vertical Control Vertical Readout Figure 3Ć74:ăVertical Readouts and Channel Menu Coupling " # #' $ ! ## # $# " # # % !# ## $ # ! ! # " # # " # #" $# ! "" VERTICAL MENU ➞ Coupling ➞ DC AC GND ! W " DC $ " &" # # #" $# " AC $ " &" ' # # ! # #" $# " ! $ GND $ " #" # $# " ! #
Vertical Control Bandwidth $ ! " # ) ) ' ' &* # . $"%$# #)( # ) # , ) $ ) ( ! ) ## ! ' (( VERTICAL MENU ➞ Bandwidth " # ➞ Full 100 MHz $' 20ĂMHz ( Fine Scale ' (( VERTICAL MENU ➞ Fine Scale " # )$ " # *()" #)( )$ ) + ') ! ( ! *( # ) # ' ! %*'%$( #$ $' ) .% Position ' (( VERTICAL MENU ➞ Position " # )$ ! ) ) # ' ! %*'%$( #$ $#)'$! ) + ') ! %$( ) $# ' (( Set to 0 divs ( .
Waveform Differentiation / ' -! ()-"(' % (' )+(/" , -! - %%(0, 1(. -( ",)% 1 +"/ -"/ & -! 0 / (+& -! - "' " - , -! "',- '- ' (., + - ( ! ' ( -! 0 / (+& *."+ . ! 0 / (+&, + ., "' -! & ,.+ & '- ( ,% 0 + - ( &)%" " +, ' "' . -"(' % ))%" -"(', (. ' ,-(+ ' ",)% 1 +"/ -"/ & -! 0 / (+& "' + + ' & &(+1 -! ' ., "- , ,(.+ (+ '(-! + +"/ 3 -"/ 0 / (+& ! + ,.
Waveform Differentation Figure 3Ć75:ăDerivative Math Waveform ' (( Set Function to ( % ) !- %' (( ) ( " *))$# $' *( ) # ' ! %*'%$( #$ *#) ! diff %% '( # ) " #* ! ! ' (( OK Create Math Wfm ( )$ (%! - ) ' + ) + $ ) , + / $'" -$* #%*) # () % $* ( $*! #$, + -$*' ' + ) + " ) , + $'" $# ( ' # ( ) ') ! SCALE # POSITION #$ ( )$ ( .
Waveform Differentation Figure 3Ć76:ăPeakĆPeak Amplitude Measurement of a Derivative Waveform Cursor Measurement of a Derivative Waveform ! ! ! ! " " # " ! ! ! % ! ! ! ! " " # " # " " % % # " ! ! Usage Considerations
Waveform Differentation )&/ 53*/( 4)& 6&24*$"- 3$"-& ,/0# 40 3$"-& 4)& 3052$& 7"6&'02. /04& 4)"4 *4 "-30 3$"-&3 9052 %&2*6"4*6& 7"6&'02. &$"53& 0' 4)& .&4)0% 4)& 03$*--03$01& 53&3 40 3$"-& 4)& 3052$& 7"6&'02. #&'02& %*''&2&/4*"4*/( 4)"4 7"6&'02. 4)& %&2*6"4*6& ."4) 7"6&'02. ."9 #& 400 -"2(& 6&24*$"--9 40 '*4 0/ 3$2&&/ < &6&/ *' 4)& 3052$& 7"6&'02. *3 0/-9 " '&7 %*6*3*0/3 0/ 3$2&&/ 05 $"/ 53& !00. 40 2&%5$& 4)& 3*:& 0' 4)& 7"6&; '02. 0/ 3$2&&/ 3&& 4)"4 '0--073 #54 *' 9052 7"6&'02.
Waveform Integration + # ) $%) $# ! $# %'$+ ( ) ) !!$,( -$* )$ (%! - # #) ' ! " ) , + $'" ) ) ( # #) ' ) + '( $# $ ) &* ' , + $'" * , + $'"( # *( # ) $!!$, # %%! ) $#( Description (*' # $ %$, ' # # ' - (* ( # (, ) # %$, ' (*%%! ( ' ) ' .
Waveform Integration & '' Set Function to ' $ ( , $& '' ( ' ! )((#" )"( intg $$ &' " ( ! ") & '' OK Create Math Waveform ' (# ()&" #" ( "( & ! ( + * #&! #) ' #) "#+ * ,#)& "( & ! ( + * #&! #" ' & " )& .
Waveform Integration ' !' % ' )" ' ") % ' '* ! ' (%&"%& ! )" '. & "! & %" ' D: % "(' ' !' % ' )" ' ") % ' '* ! ' & ' (%&"% ! ' % % ! ! '"% " ' ' * ) "% %" ' @: % "(' (% .
Waveform Integration * $* ( * ,%"* %, ( * # *- $ * % * ) " * +()%( $ * ( ( $ $ *%( % * # * - , %(# (%# * @: ( %+* * * # ( $ *- $ * , (* " () % * & ( +()%() (%# * D: ( %+* Automated Measurements of a Integral Waveform %+ $ ")% +) +*%# * # )+( # $*) *% # )+( $* ( " # * - , / %(#) ) * ) # &(% +( ) ) %+$ +$ ( %$ & / $ +) $ * * &(% +( $%* * *
Waveform Integration Zoom ( 1). " / 1).+ 0 / )+' )*-#' &&1 #,*& 1 1). ' 1 ' !(# 1 )+ + . #- / +-# &&1 ( ")+#2)(- &&1 -) #(,* - (1 -.+ 1). ,#+ ., ,.+ -" #(- !+ - 0 / )+' #, -" , & - 0 / )+' + ,, MORE -" ( , & - -" #(- !+ - 0 / )+' #( -" )+ ' #( ' (. " ( ., -" +-# & ( )+#2)(- & SCALE %() , -) $.,- -" ' -" 0 / )+' ,#2 1). 0#," -) , -" 2))' -)+ - 1). ( -) -.
%+ $ # * # * ""/ # $ &+" * /%+( - , %(#) %( .
Waveform Math If your digitizing oscilloscope is equipped with Advanced DSP Math (optional on TDS 620A & TDS 640A), the menu item will be at the same brightness ) * # $+ * #) Single Wfm Math $ Dual Wfm Math %* (- ) FFT - "" ## See pages 3Ć36, 3Ć139, and 3Ć143 for information on FFTs and other advanced math waveforms. ( )) Average (side) $ $* ( , "+ - * * $ ( " &+(&%) !$% %( * ! .
Waveform Math Figure 3Ć80:ăDual Waveform Math Main and Side Menus Dual Wfm Math & & %!'$ % ) & MORE ➞ Math1 Math2 !$ Math3 ➞ Change Math waveform definition % ➞ Dual Wfm Math ➞ Set 1st Source to Set 2nd Source to % & $ & %!'$ % * $ " & * "$ %% & ""$!"$ & % & ! '&&! ! & $ & & !" $ &!$ "$ %% Set operator to % &! * & $!' & ! % '""!$& !" $ &!$% $ + - * / $ %% OK Create Math Wfm % &! " $
Zoom - -#& , 2(. & 2 0 '- -( 1) ' (+ (&)+ ,, 0 / (+& (' -" #,)% 2 0#-"(.- " '!#'! -" *.#,#-#(' ) + & - +, (. ' ( -" - 0#-" -" 3((& -.+ Zoom and Interpolation " ' 2(. 3((& #' (' 0 / (+& (' -" #,)% 2 2(. 1) ' )(+-#(' ( -" 0 / (+& " #!#-#3#'! (, #%%(, () & 2 ' -( ,"(0 &(+ )(#'-, (+ -" - )(+-#(' -" ' #- " , *.#+ #- ' , -( ( -"#, #- #'- +)(% - , " #',-+.
Zoom NOTE Horizontal Lock Only the selected waveform (the top one) changes size.
Zoom Reset Zoom ! # $ % '!! %!#$ %! % # & %$ $ ( "# $$ ZOOM ➞ Reset Zoom Factors $ TableĂ3Ć9:ăZoom Defaults Parameter Setting !! #% !$ % ! !! #% !! !# '! % !$ % ! # !# '! % !$ % ! !! !# '! % # $$ ZOOM ➞ Off $ %! # %&# %! !# !$ !$ !" ! ('!! !" # % ! For Further Information ! " ( ! " ( TDS 620A, 640A & 644A User Manual 3Ć153
Appendix A: Options and Accessories $%- -! .%*) !- ,% !- .$! *+.%*)- .$! -. ) , !--*,%!- ) .$! *+5 .%*) ' !--*,%!- .$ . ,! 0 %' '! "*, .$! %#%.%4%)# - %''*5 - *+!- Options $! "*''*1%)# *+.%*)- ,! 0 %' '! Options A1-A5: International Power Cords !-% !- .$! -. ) , *,.$ (!,% ) 4 +*1!, *, !&.,*)%2 -$%+- )3 *" "%0! '.!,) .! +*1!, *, *)"%#/, .%*)- 1%.$ .$! *- %''*- *+! 1$!) *, !,! 3 .$! /-.
Appendix A: Options and Accessories Option 1F: File System (Standard on TDS 644A) $.# .#$- )*.$)( %.,)($2 -#$*- .# $"$.$4$(" )- $&&)- )* 1$.# !&)**3 $-% ,$0 ( 0 ,$ .3 )! ! ./, - !), ' ( "$(" .# !&)**3 $-% $.# .# !$& -3-. ' 3)/ ( - 0 ( , && - ./*- 1 0 !),'- ( # , )*$ - )( !&)**3 $-% Option 1R: Rackmounted Digitizing Oscilloscope %.,)($2 -#$*- .# $"$.$4$(" )- $&&)- )* 1# ( ), , 1$.# *.$)( )(!$"/, !), $(-. && .$)( $( $( # 1$ $(-.,/' (. , % /-.)' ,- 1$.
Appendix A: Options and Accessories Option 23: Additional Probes Ċ (TDS 620A only) !+5* 5*+4 015+0/ ',530/+9 4*+14 580 #&&+5+0/#- 130$'4 +&'/5+%#- 50 5*' 580 45#/&<#%%'4403: 130$'4 /03.#--: 4*+11'& 8+5* 5*' +/4536.'/5 *+4 1307+&'4 0/' 130$' (03 '#%* (30/5<1#/'- +/165 Option 24: Add Four Passive Probes !+5* 5*+4 015+0/ ',530/+9 4*+14 (063 1#44+7' " 130$'4 Option 95: Calibration Data Report !+5* 5*+4 015+0/ ',530/+9 4*+14 # %#-+$3#5+0/ # 3'1035 8+5* 5*' +/4536.
You can also order the following optional accessories: Service Manual 070Ć8718ĆXX Plotter (GPIB and Centronics Standard) HC100 Oscilloscope Cart K218 Rack Mount Kit (for field conversion) 016Ć1136Ć00 Oscilloscope Camera C9 Oscilloscope Camera Adapter 016Ć1154Ć00 SoftĆSided Carrying Case 016Ć0909Ć01 Transit Case 016Ć1135Ć00 GPIB Cable (1 meter) 012Ć0991Ć01 GPIB Cable (2 meter)
& # " "" ! " 14+0/ 522'/4 120$' 3934'. 3'3 522'/4 20$' 522'/4 120$' : 40 : 522'/4 120$' , : 40 : ; 522'/4 120$' < &'3+)/'& (02 1'2.#/'/4 02 3'.+ 1'2.#/'/4 +/;%+2%5+4 +/34#--#4+0/ , : 40 : W +/154 ; 522'/4 120$' < &'3+)/'& (02 1'2.#/'/4 02 3'.+ 1'2.#/'/4 +/;%+2%5+4 +/34#--#4+0/ , : 40 : W +/154 ; 522'/4 2#/3(02.
% " ! " ","2"& + "$$'+ '( + & , # -,'% ," % +-* % &,+ 1 #&'/"& !'/ ,! 1 % # ,! + $ -$ ,"'&+ 1'- % 1 ,, * -& *+, & !'/ ,' -+ 1'-* & !'/ ,' "&, *(* , 1'-* * +-$,+ !# " ! " ","2"& + "$$'+ '( + -+ . *" ,1 ' . *" $ + "& ,! "* $ -$ 3 ,"'&+ ! + "& $- $ "+ ,! . $- -+ + ,! $ .
" ( '%! (' ( '($ & " #($ (+$ ' ( $#' ( ( ! + - %$ #( (+ # Min # Max !'$ !! Mid ! * ! + ( ( "$'( %$ #(' # ( )%% & '($ & " ' ( High * !) # ( ! * ! + ( ( "$'( %$ #(' # ( !$+ & '($ & " ' ( Low * !) $$' ( ! * !' + & ( '($ & "' % $& High # Low.
Appendix B: Algorithms End 1 ( ) "% ) %$ % ) $ % ) # (*' # $) /%$ 0+ "* ) ( RecordLength ( #&" ( *$" (( .%* ' # ! $ ) # (*' # $) $ .%* *( ) # (*' # $)( ) ( ) "% ) %$ % ) ' ) + ') " *'(%' Hysteresis 1 .
Appendix B: Algorithms MCross1 (StartCycle) MCross2 MCross3 (EndCycle) MidRef + (Hysteresis x Amplitude) MidRef MidRef - (Hysteresis x Amplitude) Figure AĆ1:ăMCross Calculations Waveform[<0.0 ... RecordLength-1.
Appendix B: Algorithms # % $ % % # % # % $ ! * Cycle Area ! %& ' % $&# % # ' # ( ' # ) # * ) % ) & % !# # % &$ % # $&# % StartCycle EndCycle % # %&# % % #! % ' & % StartCycle CycleMean ŕ EndCycle Waveform(t)dt StartCycle # % $ % % # % # % $ ! * Burst Width $&# % &# % &#$% MCross1 % ( ' # $ $ MCros
$' ) !( $ ) #) ' ) $# ! $' ) " ( % / " # " (*' " #) "$*#) $ ) " ), # ) MidRef # Mid2Ref '$(( # ( $ ),$ ' #) )' ( $' ),$ ' #) %! ( $# ) ( " )' ! - " (*' " #)( ' )* !!- '$*% $ " (*' " #)( $ ) (% / ! - " (*' " #) -$* "*() (% - ) ) ' ) # ' ' # '$(( # %$! ' ) ( # ) ' ' # ( ' ' ) $# Delay ) ) " '$" $# MidRef '$(( # $# ) ($*' , + $'" )$ ) Mid2Ref '
Appendix B: Algorithms Fall Time THF TLF High HighRef LowRef Low Figure AĆ2:ăFall Time Frequency $&# % # !# % ! # $&# #%+ + ( # + * ! # $ Period # $ % #( $ # %&# ## # Frequency Period High $% ' % # # ' & , ( # # % $ $ % $ % - ) $&# % % "& High Max Low ( $% ' % # # ' & & % , ( # # % $ $ %
Appendix B: Algorithms Maximum " &' (! & %'$ & * ' (! & +" + & !%& "!% & ( " (! & * Waveform[ ] % " % $! Start &! End '% ( % & Max #' &! & $ & %& &' Waveform[ ] ( ' !' Mean $ & & !$ ! ) ( !$ $ & & ! ) ( !$ % !& %% $ + #' &! ! + !$ + & +!' + "$ $ &! '% & + $ & $ & & $ & & Start End & $ &'$ & & $"! & ( ' & Start
Appendix B: Algorithms Negative Width "%"& % +-* % &, ! "+, & ,"% ,/ & MidRef -$, %($",- ('"&,+ ' & ,".
Appendix B: Algorithms ! -# - +" - 0 / !)+' & , -# + ! + ( 0 / !)+' *# , $, *),$-$/ $! $& ", ( " -$/ # , $, ()- / $& & $( -# ( *,#)- $,*& 2 Positive Duty Cycle $'$(" ' ,.+ ' (- # + -$) )! -# *),$-$/ *.&, 0$ -# -) -# ,$"( & * +$) 1*+ ,, , * + (- " PositiveWidth $, !$( $( Positive Width !)&&)0$(" ! Period )+ .( !$( -# ( + -.+( ( ++)+ PositiveDutyCycle PositiveWidth Period 100% Positive Overshoot '*&$-. /)&- " ' ,.
Appendix B: Algorithms %" TLR "!' !( ' & % "" ! "% %"&& ! " HighRef #. ' TLR &( & $( !' LowRef %"&& ! & % "(! HighRef %"&&.
% & % # ) ( "$ % & "!& !'"'% '! & "! " & ! + ! $ !& $#" & "! " ! $ !' $% &) ! ! RecordLength ! $ !& $% & ! ŕ + ) ȍ ) * + ) $ % & % # !& $( $ + ŕ % ##$"* ŕ ǒ Ǔ ) $ & + % & % # ) ( "$ % & "!& !'"'% '! & "! " & ! + ! $ !& $#" & "! " ! $ !' $% &) !
Appendix B: Algorithms Missing or OutĆofĆRange Samples ! $ # ( ! " ! $ & ! ! !$ $ ! ' ! " ! ! # " ! ! ! " ( ! $ " ! # ! # " ! ! $ ( "! ! " ! $ # $ ! ! ! ! % ' ! " ! " & %! ! " !
! " #
Appendix C: Packaging for Shipment -#) ' $ ( ( . " #' #' #$ $ ( " ( #& " ' $$ " &(#" " $ " ! ( & ( #& " $ " ! ( & ' "#( * $ 0 ( "'(&)! "( ' # #+' ( " #&&) ( & # & ' $$ " &(#" + ( "' ! "' #"' ( '( / ! / " ( & + & " $ & ( " ( ( . " #' #0 ' #$ ' $$ " &(#" !)'( #"'(&) ( # & # & + ( $#)" ( '( '(& " ( -#) & ' $$ " ( ( .
% # !& # ' # ## " (% &!#3.17 )-)3)!+)8!3).- 2%33)-'2 /1.5)$% 7.4 ! *-.6- 23!3% &.1 3(% $)')3)8)-' .2#)++.2#./% ## " !#3.17 )-)3)!+)8!3).- 2%32 5!+4%2 !2 2(.6- )- !"+% 9 ( * ) # !& # ' # $ #" #! & # !& # # #04)1% ,.$% !,/+% #04)1% 23./ !&3%1 "433.- .-+7 #04)1% .& !5%1!'%2 #04)1% .& %-5%+./%2 (!--%+ 2%+%#3).- (!--%+ .- !++ .3(%12 .&& 412.1 !1 /.2)3).- .
! " # $ & % " # " " )/%; 64-++)4 )18)/23) )/%; 6-0) 15 )/%; )8)165 64-++)4%&/) %*6)4 0%-1 )/%;)( ()/%; &; )/%; &; !-0) )/%;)( 6-0) &%5) 02() )/%;)( 715 *6)4 %-1 -53/%; '/2'.
Appendix D: Factory Initialization Settings TableĂAĆ5:ăFactory Initialization Defaults (Cont.) Control Changed by Factory Init to ),* 64.,,*4 (273/.1, ),* 64.,,*4 /*8*/ $ ),* 64.,,*4 5/23* !.5.1, ),* 64.,,*4 5274(* -&11*/ 3&4&0*6*45 2 (-&1,* &4)(23: 240&6 &:276 &/*66* 246 #1(-&1,*) #1(-&1,*) #1(-&1,*) #1(-&1,*) 24.;216&/ )*/&: 64.,,*4 325.6.21 24.;216&/ )*/&: 6.0* ).8.5.21 5 24.;216&/ +.6 62 5(4**1 ++ 24.;216&/ 0&.1 64.,,*4 325.6.21 24.
! " # $ & % " # & " " -')# 20)''%0 ."22%0, 2)+% /3"*)&)#"2)-, -5%0 *)+)2 ..%0 *)+)2 ,1 ,1 -')# 20)''%0 2(0%1(-*$ "** #(",,%*1 ."22%0, ",$ 12"2% ! -')# 20)''%0 #*"11 "22%0, -')# 20)''%0 *-')# ."22%0, ",$ 12"2% -')# 20)''%0 20)''%01 5(%, ."22%0, ",$ 12"2% -%1 "), 20)''%0 (-*$-&& "), 20)''%0 +-$% 32- "), 20)''%0 27.
Appendix D: Factory Initialization Settings TableĂAĆ5:ăFactory Initialization Defaults (Cont.) Control Changed by Factory Init to /'-! .,%##!, ' -- '%. $ /'-! #'%. $ "%'.!, -. .! ) !+. #'%. $ /'-! #'%. $ 1% .$ )- /'-! .,%##!, '!0!' /'-! .,%##!, -*/, ! '%. $ ,/). ) 1% .$ $ ))!' $ /'-! 1% .$ .,%##!, 1$!) %.$%) '%(%.- /'-! 1% .$ /++!, '%(%. )- /'-! 1% .$ '*1!, '%(%. )- /'-! 1% .$ .,%##!, +*' ,%.2 *-%.%0! !+!.%.
Glossary AC coupling &+" ! % &$ % %% ! & & ! % & ! "! & ! % '& '% % & + ! "! & % ' !$ ! % $( % & & % !$ + $ ! % Accuracy !% %% ! & & ( ' &! & &$' ( ' Acquisition "$! %% ! % " % % $! "'& % & , & % " % &! & "! &% %% & & "! &% &! ) ( !$ $ !$ ) ( !$ $ !$ % %&!$ !$+ &$ $ $ % & , $! & & "$! %% Acqu
# ", .# '*&$./ )! -$"( & $- , / 1# ( $. * -- .#,)/"# ( .. (/ .$(" 0$ -/ # - *,) ), .. (/ .), # . $- .# , .$) )! .# $(*/. ' -/, .) .# )/.*/. ' -/, ), 2 '*& *,) 1$&& .. (/ . ), , / .# $(*/. 0)&. " )! -$"( & 3 ! .), )! .,$"" , ') .# . /- - .# )- $&&)- )* .) /.)' .$ &&3 +/$, $! .,$"" , & 0 (.- , (). . . 1$.#$( -* $!$ .$' * ,$) !/( .$)( )! .# )- $&&)- )* .# . /.)' .
!! % % # )+( # $* % - , %(# ( * ! $ %, ( %$ / " .
$ $"!&-# ! !" ) & ! ! !& & "! "' ! '% & &" ! & ( ' " & %% ! # $ & $ $ $ ! " '$% & "% "% "# & &% #"% & ( %# ) & % %% & ! & %# & & $ $ ! " '$% & "% "% "# & &% ! & ( %# ) & % %% & ! & %# & & $ $ ! " '$% & "% "% "# & &% & $ #"% & ( "$ ! & ( %# ) & % %%
$ ! 0 2 -! " "-"3"' (, "%%(, () % .% - , / %. , (+ + (+ )("'-, 0! ' -! (, "%%(, () ''(- *."+ %% -! )("'-, (+ (&)% - + (+ 0"-! ,"' % -+" + / '- ! - (' "-"(' ( .+, 0! ' -! (, "%%(, () ", %"&"- -( + % -"& , &)%"' ' -! -"& , ", , - -( / %. -! - 1 , -! -"/ , &)% + - ( -! (, "%%(, () ! " "-"3"' (, "%%(, () ! , -0( "'- +)(% -"(' ()4 -"(', (+ "' + "'- +)(% -"(' % .
Glossary Mean #$ % # "$! # # ! # # % ! # # ! & % ! Minimum #$ % # "$! # # $ #$ ( * ( # "# # % % # NAND $ # & # $# $# # $ # " # #!$ " " " " #!$ # # ) " " # # " #! ! ## ! "# # $ # Negative duty cycle # "$! # ! ! " # # ! # # # % $ " &
& $ #%" $ $' $' ' & " # $ % $ # " # $ $ " $ # # ( " ## " # ' " * " # $ ) $ ' & " # & " # #%" # % $ # " !% ) " ' & " # % " $ $ " % & # $ $ # ) # # # ) # ( # ' ) ( # (" " #% + % % +% %# $ " " ) % ) "$ $ ' & " # ) "
' !$ " !# + & ( ( - " #' #' #$ ' !$ ' '( "#) (# #!$ ( , + * #&! & #& &#! ' " (& & * "( ' & .( ! ' !$ " (# $()& ' " .
## "' % $ # % %$$ # % $ $ " $ ! " ! & $ ! $ % $ " ! %" " !
Index Numbers 1/seconds (Hz) -*+'* % &- Stop After Limit Test Condition Met Template Source V Limit 100 MHz *," $ % &- ACQUIRE MENU -,,'& 20 MHz *," $ % &- )-"+","'& &, *. $ ' + . * &. $'( %($ '-, A '-($"& ,". -*+'* $"& .'$, ,*" ,". .
Index * SETUP * WAVEFORM SELECT SET LEVEL TO 50% SINGLE TRIG STATUS TOGGLE TRIGGER MENU UTILITY VERTICAL MENU WAVEFORM OFF ZOOM )((#"' CH1, CH2 ...
Index * ) + ) )/ - &$)" $- -/$ ' - CURSOR 0//*) 0-.*- ( )0 1/seconds (Hz) Amplitude Units Base Function H Bars Independent IRE (NTSC) seconds Time Units Tracking Video Line Number 0-.*- - *0/ 5 -. $- $- 0-.*-. 5 -. 0-.*- *0/. 0-.*- + 0-.
Index Dots !*'# 0 $ %, DPU411-II ) &'0 $ %, DPU412 ) &'0 $ %, Dual Wfm Math &) $ %, ,+0 0 # E +)! ) &,+ Edge !% )! ) $ %, Edges *,) # 0 $ %, Either !% )! ) $ %, empty - .
Index **&+$ 4&+!,4 &$% 0-""! 1&3" -/, "0 ++&+$ 4&+!,4 &$% 3,)1 $" -/, "0 Hard Flagging 1&)&16 *"+2 HighĆLow Setup " 02/" *"+2 /! ,-6 Hardcopy (Talk Only) 1&)&16 *"+2 HARDCOPY 211,+ 8 Hardcopy if Condition Met .
Index #& .
Index Set Levels in % units Snapshot )+( # $* #&" *+ ( +()* - * / " ( / " # $ / " " / +*/ / " "" * # ( '+ $ / * %- .
Index OK Create Math Wfm .1% ,%-4 OK Create Measurement %!241% %+!8 ,%-4 OK Erase Ref & Panel Memory 3)+)38 ,%-4 +.33%1 Polarity and Width !)- 1)''%1 ,%-4 Polarity !)- 1)''%1 ,%-4 ./:4/ ,%-4 .6 ),/%$!-#% . /3)#!+ !22)5% !22)5% 5.+3!'% %+%#3).- ),%:3.:5.+3!'% #.-5%13%1 OK Store Template #04)1% ,%-4 Port !1$#./8 ,%-4 1./!'!3).
Index ##"% - &)$* &) # % +! )"- +"- $ +! . - &)$* "%+ ) # $ +! . - &)$* Record Length &)"1&%+ # $ %, ,%+ +)" ) Select Measrmnt *,) $ %, Runt "% )" # + .
* !4 %* 4 4 %*0!.,+( 0%+* ",)% 2 & '. %*#(! -1%/%0%+* !-1!* ! *."+ & '. .--(' %*#(! ") 0$ (+ & '. %() (+,! % 2 +" (+,! "' +" %() +" + & '. + & '. + ' ),!(- (.- ' ),!(- ( ,.+ & '-, * ,/$+0 ,.+ & '. +"0 ( ##%*# -"%"-2 & '. ( -0 + +"03 .! !01, -"%"-2 & '. ( -0 + / +,"(' +1. ! % 2 +" +1.
Index Hardcopy (Talk Only) Hardware Setup I/O Off Bus Parity Port RS232 Soft Flagging Software Setup Stop Bits System Talk/Listen Address V ,.$ & )/. ,.$ & SCALE %() /.*/. Video Line Number /,-), ' (/ # , . ,$-.$ - )! ''$(" (($(" , . ("/& , , . ("/& , 0- &&3-# * - & .
