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Chapter 8 171
Multitone Waveform Generator
Creating, Viewing, and Optimizing Multitone Waveforms
Creating, Viewing, and Optimizing Multitone Waveforms
This section describes how to set up, generate, and optimize a multitone waveform while viewing it with a
spectrum analyzer. Although you can view a generated multitone signal using any spectrum analyzer that
has sufficient frequency range, an Agilent Technologies PSA high-performance spectrum analyzer was used
for this demonstration. Before generating your signal, connect the spectrum analyzer to the signal generator
as shown in Figure 8-1.
Figure 8-1 Spectrum Analyzer Setup
To Create a Custom Multitone Waveform
Using the Multitone Setup table editor, you can define, modify and store user-defined multitone
waveforms. Multitone waveforms are generated by the dual arbitrary waveform generator.
1. Preset the signal generator.
2. Set the signal generator RF output frequency to 20 GHz.
3. Set the signal generator RF output amplitude to 0 dBm.
4. Press
Mode > Multitone > Initialize Table > Number of Tones > 9 > Enter.
5. Press
Freq Spacing > 1 > MHz.
6. Press
Initialize Phase Fixed Random to Random.
7. Press
Done.
8. Press
Multitone Off On to On.
9. Turn on the RF output.