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Chapter 9 181
Two-Tone Waveform Generator
Creating, Viewing, and Modifying Two-Tone Waveforms
Creating, Viewing, and Modifying Two-Tone Waveforms
This section describes how to set up, generate, and modify a two-tone waveform while viewing it with a
spectrum analyzer. Although you can view a generated two-tone signal using any spectrum analyzer that has
sufficient frequency range, an Agilent Technologies PSA Series 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 9-1.
Figure 9-1 Spectrum Analyzer Setup
To Create a Two-Tone Waveform
This procedure describes how to create and a basic, center-aligned, two-tone waveform.
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 > Two Tone > Freq Separation > 10 > MHz.
5. Press
Two Tone Off On to On.
6. Turn on the RF output.
The two-tone signal is now available at the signal generator RF OUTPUT connector. Figure 9-2 shows what
the signal generator display should look like after all steps have been completed. Notice that the T-TONE,
I/Q, RF ON, and MOD ON annunciators are displayed and the parameter settings for the signal are shown
in the status area of the signal generator display.