User's Manual
Logic Triggering
TDS 620A, 640A & 644A User Manual
3Ć79
Mode & Holdoff
)/ ( #(" .# #)&)!! .$' ( - & . .# .,$"" , ') /-$(" .#$-
' (/ $. '
, -- TRIGGER MENU➞ Type'$(➞ Logic *)*3/*➞
Class'$(➞ Pattern ), State *)*3/*➞ Mode & Holdoff'$(➞
Auto ), Normal -$
( Auto ') .# )-$&&)-)* +/$, - 10 !),' !. , -* $!$
.$' #- &*- 0 ( $! .,$"" , ) - (). )/, # ')/(. )!
.$' .# )-$&&)-)* 1$.- * (- )( .# .$' - - ..$("
( Normal ') .# )-$&&)-)* +/$, - 10 !),' )(&2 $! .# ,
$- 0&$ .,$"" ,
, -- Holdoff -$ (. , .# 0&/ $( * , (. /-$(" .# " ( ,& */,3
*)- %() ), .# % 2*
* ($(" )( 1# .# , 2)/ #)- .# &-- Pattern ), State .# , ,
$!! , (. ' (/- !), !$($(" .# #(( & $(*/.- ( .# )'$(.$)(& &)"$
# ( 2)/ - & . Pattern .# )-$&&)-)* 1$&& .,$"" , )( -* $!$ &)"$
)'$(.$)( )! .# !)/, $(*/. #(( &- *" 3 !), .$&- )( )* ,3
.$)(- )'')( .) ).# *.. ,( ( -.. .,$"" ,-
Define Inputs
) - . .# &)"$ -.. !), # )! .# $(*/. #(( &- Ch1 Ch2
, -- TRIGGER MENU➞ Type'$(➞ Logic *)*3/*➞
Class'$(➞ Pattern *)*3/*➞ Define Inputs'$(➞ Ch1 Ch2
Ch3),Ch4 -$ ( .# Ch3 ( Ch4 , , *& 2
Ax1 ( Ax2
* . &2 *, -- # $(*/. - & . $( -. * .) #))- $.# , $"#
)1 ), )(. , !), # #(( &
Define Logic
) #))- .# &)"$ !/(.$)( 2)/ 1(. **&$ .) .# $(*/. #(( &- -
*" 3 !), !$($.$)(- )! .# &)"$ !/(.$)(- !), ).# *.. ,( ( -..
.,$"" ,-
, -- TRIGGER MENU➞ Type'$(➞ Logic *)*3/*➞
Class'$(➞ Pattern *)*3/*➞ Define Logic'$(➞ AND OR
NAND),NOR -$
Pattern Operations