69
Power for upper adjacent channel of first adjacent channel:
-60.77 dBm;
Power for lower adjacent channel of second adjacent
channel:-63.70 dBm;
Power for upper adjacent channel of second adjacent
channel: -63.06 dBm;
Power for lower adjacent channel of third adjacent channel:
-63.47 dB;
Power for upper adjacent channel of third adjacent channel:
-64.62 dBm.
Figure 4-9: Measurement Results of Adjacent Channel Power
4.6 Measurement of Channel Power
In the following example, continuous-wave signal (500MHz,
-10dBm) generated by signal generator (Agilent E4421B)
as signal to be measured.
Operation steps:
1. Connect equipment
Connect signal output of signal generator with RF input on
the panel of spectrum analyzer.
2. Use channel power to measure signal power
1) Reset instrument
- Press PRESET key.
2) Set parameters
- Press FREQ key;
- Press [Center frequency] key, and input 500 [MHz];
- Press MEAS key;
- Press [Channel power On Off], and set channel power
on.
3.
Read measurement result
Measurement results are displayed in the upper right of
screen, channel power is -9.81 dBm, as shown in Figure
4-10:
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