Frequency / Time - Agilent Technologies N9913A User Manual

Measurement Selection
The pulse measurement results are presented as either a traditional power meter
display or as a trace graph.
How to select the Measurement
 Press Measure 1
 Then choose from the following:

Frequency / Time

How to set Frequency
 Press Freq/Dist
 Then choose from the following:
How to set Time
Specify the time over which data will be acquired by the USB Power Sensor.
When Trace Graph is selected, Tr 1 is annotated with these values. Time can be
specified using either of the following pairs of values:
 Follow each by entering a value using the numeric keypad, the ▲|▼ arrows, or
Pulse Measurements Mode - Option 330
Average power (Meter display)
Average
o
Peak power (Meter display)
Peak
o
Displays the difference between the above two measurements
Pk to Avg
o
(Meter display)
(default) The primary trace (Tr 1) plots pulse data in
Trace Graph
o
amplitude versus time. Optionally, you can enable a secondary 'zoom' trace.
Learn how on page 158.
When a 'Meter display' measurement is selected, the following Pulse
Measurement Mode settings are identical to the standard USB Power Meter
Mode settings.
Learn how to set Scale on page 144.
o
Learn how to set Relative and Offset Power on page 146.
o
Learn how to set Display Units on page 146.
o
Learn how to set Limits on page 147.
o
Sets the center frequency of the carrier on which pulse
Frequency
o
modulation resides. This is used to set amplitude correction of the USB
Power Sensor.
and
Center 1 Time/div 1
o
and
Start Time Time Length
o
acquisition.
A positive start time indicates a delay after the sensor detects a pulse signal.
o
A negative start time displays data that is acquired BEFORE the sensor
o
detects a pulse signal (or T-zero).
the rotary knob.
Specify the center time and time per division.
Specify the start time and length of
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