Tektronix TDS 620A, TDS 640A, TDS 644A Pattern Operations

Logic Triggering
TDS 620A, 640A & 644A User Manual 3Ć79
Mode & Holdoff
)/( #(" .# #)&)!! .$' ( - & . .# .,$"" ,') /-$(" .#$-
' (/ $. '
 , -- TRIGGER MENU➞Type'$(➞Logic*)*3/*➞
Class'$(➞Pattern ), State *)*3/*➞Mode & Holdoff'$(➞
Auto ), Normal -$ 
( Auto ') .# )-$&&)-)* +/$, -  10 !),' !. ,  -* $!$
.$' #- &*-  0 ( $!  .,$"" , ) - (). )/, # ')/(. )!
.$' .# )-$&&)-)* 1$.-  * (-)( .# .$' - - ..$("
( Normal ') .# )-$&&)-)* +/$, -  10 !),')(&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