Above-Level And Below-Level Triggering - HP 7090A Operator's Manual

Above-Level and
Below-Level
Triggering
Examples of Above-Level
Triggering
5-4
Trigger Modes and Operations
The above-level option permits positive-slope triggering at a voltage speci·
fied by the TRIGGER LEVEL
Channel ! input signal rises
following diagram.
TRIGGER LEVEL
VOLTAGE VALUE
-
TRIGGER LEVEL
VOLTAGE VALue
The below-level trigger option is similar
permits negative-slope triggering at the
trigger is generated when the Channel 1 input signal falls
trigger level value, as shown by the following diagram.
Scans by ArtekMedia © 2007
setup condition. The trigger
to
or above the trigger level value. Refer to the
TRIGGER
OCCURS
' .... \.It
,-. I
POSITIVE
SLOPE
I \ TRIGGER
,..
\ OCCURS
I
-.... .
11
-\
POSITive
- - - - - - - - - - -
� ... ,
SLOPE
to the above-level option, but it
TRIGGER LEVEL.
is
generated when the
voltage setting. The
to or below the