R3132 Series Spectrum Analyzer Operation Manual
2.3.3 Measuring Adjacent Channel Leakage Power (ACP)
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9. Press TRACE, Detector and Posi.
This sets the trace detector to the Positive mode.
10. 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.
11. Press SWEEP, SWP Time AUTO/MNL(MNL), 2, 1 and MHz(sec).
A sweep time of 21 seconds is set.
NOTE: The sweep time must meet the following.
Sweep time ≥
≥≥
≥ Number of trace points
×
××
×
Period of the burst signal
Figure 2-56 PDC trace
Channel spacing and specified bandwidth
Channel spacing and channel bandwidth are specified in PDC mode.
12. Press POWER MEASURE, ACP and CS/BS Setup.
The dialog box for setting the channel spacing and specified bandwidth is dis-
played. The cursor is moved to the 1st channel’s Channel Space.
13. Press 5, 0 and kHz.
The channel spacing for channel 1 is set to 50 kHz. The cursor is moved to the
1st channel’s Band Width.
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