Agilent Technologies Keysight N9310A, Руководство пользователя

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80 N9310A User’s Guide
4 Key Reference
EXT
This softkey is one of the choices in both the
Sweep Trigger
and the
Point Trigger
submenu. Selecting
EXT
allows the
external trigger source come in and triggers a sweep or each
point in a sweep. The external trigger source should be a
TTL signal with 100 ns minimum level holding time.
The signal generator also allows you to set the slope of the
external trigger source by pressing
Trigger In
softkey: on either
the negative or the positive edge of the TTL signal.
• Key sequence:
> Sweep Trigger > EXT
> Point Trigger > EXT
Trigger In
Pos/Neg
Pressing this softkey toggles the slope of the TTL between
positive and negative. This softkey is available only when the
EXT
is selected.
• Default value:
Neg
• Softkey sequence:
> Trigger In
Sweep Direction
Up /Down
This softkey changes the direction of sweep. Choose
Up
to
sweep from the start frequency/amplitude to the stop
frequency/amplitude. Choose
Down
to reverse the direction of
sweep.
• Default value:
Up
• Key sequence:
> Sweep Direction
Trigger
Pressing hardkey triggers an armed sweep or each point
in a sweep. It is active only when you set either the sweep
trigger or the point trigger to
Key
.
Sweep
Sweep
Sweep
Sweep
Trigger