R3132 Series Spectrum Analyzer Operation Manual
2.2.11 Harmonic Distortion
2-44
Figure 2-35 Screen Display Showing Saturation
2.2.11 Harmonic Distortion
Harmonic distortion is produced by non-linearity from the input mixer if the input exceeds a certain limit.
As a result, spurious signals which do not come from the input signal may be observed.
Setup
1. Connect the signal generator as shown in Figure 2-36.
Figure 2-36 Setup for Measuring Harmonic Distortion
Power on
2. Turn the power on.
Setting the signal generator
This prepares the signal generator output.
3. Set the frequency to 270 MHz; the level to 0 dBm; mode of modulation to non-
modulated; and output to ON.
Signal generator
RF INPUT 1
connector
OUTPUT
connector
R3132 Series Spectrum analyzer
A lowpass filter used to reject
second-order harmonics
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