User's Manual
Pulse Triggering
TDS 620A, 640A & 644A User Manual
3Ć115
!"" # !#( "## #!! $!" # # # # !$#
$" #" !"# #!"
($ "# # $" "" Width # "" & #!!
$" !!&! ! &! # " " # ( #
$! # &! #
Polarity
&#! # $"" ! "#% ! #%
!"" TRIGGER MENU➞ Type➞ Pulse )$➞
Class➞ Width )$➞ Polarity➞ Positive ! Negative
"
Trig When
" $ # #" ($ "#" # ! &#" $#" # #
#!! "$! & "! ! &#! # #!! $"" ## !
$#" #" ! ! " ## &# # !
!"" TRIGGER MENU➞ Type➞ Pulse )$➞
Class➞ Width )$➞ Trig When
!"" Within Limits " ($ &# # "" # #!!
$"" ## &# # " ! ($ &# # # #!!
$"" ## ! $#" # ! # !"" Out of Limits "
"# # ! $" &#" $#" # !"" Upper Limit
" Lower Limit " #! # %$" &# # ! $!"
! ( Upper Limit " # '$ % $" &# #
#!! "$! & ! Lower Limit " # $ % $"
&# "" & &(" ! # Lower Limit # "" #
! $ # # Upper Limit
Level
"# # #!! % &# # Level $
!"" TRIGGER MENU➞ Type➞ Pulse )$➞
Class➞ Width )$➞ Level➞ Level Set to TTL Set to
ECL!Set to 50% "
)
)
Width Operation
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