R3131 Spectrum Analyzer Operation Manual
2.2 Basic Operation
2-50 Apr 10/98
Setting the measurement conditions
This changes the analyzer settings so that the input signal is displayed more clearly.
5. Press FREQ, 3, 0, 0 and MHz.
A center frequency of 300 MHz is set.
6. Press SPAN, 5, 0, 0 and MHz.
A frequency span of 500 MHz is set.
7. Press BW, RBW AUTO/MNL, 1, 0 and kHz.
The RBW is set to 10 kHz.
Verifying harmonic distortion
8. Confirm that harmonic distortion is occurring on the right hand side of the
screen.
When the attenuator is set to 10 dB (default setting), and the mixer input is -10
dBm (= 0 dBm - 10 dB), harmonic distortion occurs.
Figure 2-44 Screen Display Showing Harmonic Distortion
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