R3132 Series Spectrum Analyzer Operation Manual
2.3.3 Measuring Adjacent Channel Leakage Power (ACP)
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9.
Press BW, RBW AUTO/MNL(MNL), 3 and kHz.
The RBW is set to 3 kHz.
10. Press VBW AUTO/MNL(MNL), 1, 0 and kHz.
The VBW is set to 10 kHz.
11. Press TRACE, Detector and Posi.
This sets the trace detector to the Positive mode.
12. Press LEVEL and adjust the trace using the data knob so that the trace peak can
be within 1 graduation in relation to the reference level.
NOTE:
Measurement errors increase when the signal level is much lower than the
reference level.
13. Press SWEEP, SWP Time AUTO/MNL(MNL), 5 and MHz(sec).
A sweep time of 5 seconds is set.
NOTE:
The sweep time must meet the following.
Sweep time
≥≥≥≥
Number of trace points
××××
Period of the burst signal
Figure 2-63 PHS Trace
Setting the Channel spacing and Specified Bandwidth
Channel spacing and channel bandwidth are specified in PHS.
14. Press POWER MEASURE, ACP, Screen FULL/SEPA/CARRIER(SEPA).
The screen mode is set to the separate.