User's Manual
Waveform Math
TDS 620A, 640A & 644A User Manual
3Ć149
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) $ $*( ,"+ - * * $(" &+(&%) !$%
%( * !.& *% *! $ ,( % #+"* &" '+ ) * %$) ()) No
Extended Processing ) *% &(%(# #* %&(* %$) %$". %$ %$
'+ ) * %$
) ( *+($ %$ %( *+($ % #* ,( $ % *+($ %$ #* ,( $
&()) Average ) $ *+($ * $(" &+(&%) !$% %( +) *
!.& *% $*( * $+#( % * #) *% )+)) ,". ,( * #*
-,%(# %( %#&"* $ $ '+ ) * %$ ()) No Extended ProĆ
cessing ) *% *+($ % #* ,( $
()) Change Math waveform definition ) ➞ FFT .%+( %) ""%/
)%& %$* $) ,$ * Single Wfm Math%(Dual Wfm
Math# $ *% "*( * &()$* #* -,%(# $ * %$ ) /
+(/
) $" $ +" -,%(# %&(* %$) ( )( )&(*". $
* %""%- $ *%& ) %( )( &* %$) % ,$ * ) Fast
Fourier Transforms %$ &/ Waveform Differentiation %$
&/ $ Waveform Integration %$ /
Single Wfm Math
()) MORE➞ Math1 Math2%(Math3# $➞ Change Math
waveform definition ) ➞ Single Wfm Math# $ ()) Set
Function to ) *% )"* inv $,(* intg .%+( %) ""%)%& %$/
* $) ,$ * %( diff .%+( %) ""%)%& %$* $) /
,$ * ,%(# $*(* %$ $* ) )( %$
&/ $ -,%(# ($* * %$ ) )( %$
&3Ć139.
% $ * )%+( -,%(# &()) Set Single Source to )
$ .%+ ( (. *% &(%(# * +$* %$ &()) OK Create Math
Wfm )