User`s guide
Table Of Contents
- Overview
- Getting Started
- System Setting
- Making Measurements
- Measuring Multiple Signals
- Measuring a Low-Level Signal
- Improving Frequency Resolution and Accuracy
- Making Distortion Measurements
- One-button Power Measurement
- Making a Stimulus Response Transmission Measurement
- Measuring Stop Band Attenuation of a Low-pass Filter
- Making a Reflection Calibration Measurement
- Measuring Return Loss Using the Reflection Calibration Routine
- Making an Average Power Measurement
- Key Reference
- SCPI Command Reference
- Error Messages
- Menu Map
6 SCPI Command Reference
136 N9340A User’s Guide
ACPR Subsection
Center Freq
:MEASure:ACPR:CENTer <freq>
:MEASure:ACPR:CENTer?
Sets the center frequency of the main channel
power.
Main channel
:MEASure:ACPR:MAIN <freq>
:MEASure:ACPR:MAIN?
Specifies the range of integration used in
calculating the power in the main channel. Use the
knob and the arrow keys to set the bandwidth.
Adjacent channel
:MEASure:ACPR:ADJacent <freq>
:MEASure:ACPR:ADJacent?
Specifies the range of integration used in
calculating the power in the adjacent channel. Use
the knob and the arrow keys to set the bandwidth.
Channel space
:MEASure:ACPR:SPACe <freq>
:MEASure:ACPR:SPACe?
Sets the space value between the center frequency
of the main channel power and that of the adjacent
channel power.
There are also some remote commands which are
irrelative to the front- panel keys.
Main Channel Power
:MEASure:ACPR:MPOWer?
Returns the main channel power of the ACPR
measurement.