GW Instek GRF-1300A - Manual (Page 51)

RF Communication and Signals Experiments
Experiment
contents 1. Measure the RF signal spectrum.
2. Measure the harmonic distortion of the RF signal.
3. Measure the phase noise of the RF signal.
Experiment
steps
Measure the RF
signal spectrum
and harmonic
distortion. 1. Turn on the GRF-1300A and GSP-730. Leave the GRF-1300A
in its power-on state.
2. Connect the RF/FM output port on the GRF-1300A to the
input terminal on GSP-730 with the RF cable.
3. Set the GSP-730 as follows:
• Span: Full Span
• Reference level: 0dBm
• RBW: Auto: Auto
Step1
Step2
F1
Step3 BW
F1
4. On the observed spectrum, use the marker function to
measure the amplitude of each frequency point. The Next
peak function can be used to find each consecutive peak. Plot
the results in table 4-1.
Step4
Step5
F2
5. Draw the results in table 4-1. The harmonic ratio of each the
harmonic can be measured according to the following steps.
Step6 Marker
7 6
Step7 Marker
2 6 4
49