User`s guide

4 Making Measurements
60 N9340A User’s Guide
Measuring ACPR
The adjacent channel power ratio (ACPR) measures
the power ratio between the main channel power
and the adjacent channel power.
Center Frequency
Sets the center frequency of the main channel
power.
Key Access: [MEAS] > {ACPR} > {Center Freq}
Main Channel
Specifies the range of integration used in
calculating the power in the main channel. Use the
knob, the arrow keys, or the numeric keypad to set
the bandwidth.
Key Access: [MEAS] > {ACPR} > {Main Channel}
Adjacent Channel
Specifies the range of integration used in
calculating the power in the adjacent channel. Use
the knob, the arrow keys, or the numeric keypad to
set the bandwidth.
Key Access: [MEAS] > {ACPR} > {Adj Channel}
Channel Space
Sets the space value between the center frequency
of main channel power and that of the adjacent
channel power.
Key Access: [MEAS] > {ACPR} > {Channel Space}