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Ansoft Designer / Ansys Designer 在线帮助文档：

Nexxim Design Examples >
Nexxim RF Design Examples >
   Nonlinear Loadpull Amplifier Example >
       One Tone HB with NLAMP           

One Tone HB with NLAMP

For the single-tone harmonic balance analysis, a power source PowerSinusoidal1 is connected to the input port supplying an input power pin (initially 20dB) at frequency freq1 (1.96GHz for this set of loadpull data).

1. Expand the Analyses icon and double-left-click on HB1Tone.

The HB1Tone analysis is set to analyze the first seven harmonics of frequency freq1. Click OK to close the setup dialog.

2. With analysis HB1Tone still selected, right-click and select Analyze. The analysis runs to completion.

3. Click on the Results icon and double click on single_tone to see the results:

The single_tone plot shows the output power (dBm) for all the seven tones (DC and multiples of 1.96 GHz). As expected, the fundamental component is the most dominant followed by the 3rd harmonic. The subsequent odd order terms have lower values. Even-order terms (2nd, 4th etc.) should be considered to be zero, since the second order IMD is not provided.



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