No Second Order Harmonics in FFT
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Hi,
I have a script that generates a waveform (sum of sinusoids) and puts it through an AM-AM transfer curve (the input amplitude vs output amplitude of an amplifier).
However I do not see second order harmonics on the FFT, I see third order harmonics and third order intermodulation.
Its attached and annotated. Please can someone advise.
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2018 年 2 月 5 日
2018 年 2 月 6 日
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