Keysight N9915-90020 User’s Guide 599
Pulse Measurements Mode – Option 330
Pulse Measurement Settings
— Zoom Time/div While monitoring the blue vertical posts on the primary
trace, enter a value for the zoom window span using the numeric keypad,
the ?|? arrows, or the rotary knob.
—
Trace 1 (Only available under the Trace 6 hardkey.) Press to select Tr 1. This
can also be done by using the arrows. Select a trace before making
trace settings, such as Scale.
—
Zoom Trace (Only available under the Trace 6 hardkey.) Press to select the
zoom trace.
Scale
For Meter-style measurements, learn how to set Scale, Relative and Offset
Power, display Units, and Resolution beginning in
“Scale” on page 599.
How to set Scale for Trace Graph measurements
— Select a trace to scale using the arrows.
—Press Scale / Amptd
— Then choose from the following methods:
—
Autoscale Automatically adjusts the Y-axis to comfortably fit the Minimum
and Maximum amplitude of the trace on the screen.
— Set Scale, acquisition, and Reference Position:
— Scale Manually enter a scale per division to view specific areas of
the trace.
— Ref Level Manually set the value of the reference line. Enter a
negative value by pressing Run/Hold (+/-)
either before or after
typing a value.
— Ref Pos Manually set the position of the reference line. Values must
be between 0 (TOP line) and 10 (BOTTOM line).
— Offset ON Enable Offset. When only trace 1 is visible, Offset ON
appears to the left of the trace.
— Offset Val Enter a value by which all amplitude values will be offset.
This can have the effect of virtually removing a component from the
measurement path. A positive value compensates for a component
with loss. A negative value compensates for a component with gain.
Offset values are limited to +/- 100 dB.
Averaging
Averaging helps to reduce the effects of random noise on a measurement. The
more measurements that are averaged, the greater the amount of noise
reduction. Averaging is allowed for all pulse measurements.
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