I'm trying to better understand this circuit:(adsbygoogle = window.adsbygoogle || []).push({});

https://www.circuitlab.com/circuit/qnxkke/lc-chopper/

and how the added inductors (L3, and L4) and Capacitor create a harmonic. I fully understand how to calculate the resonance for the main circuit but how would I calculate the harmonic that the added circuit creates?

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# LC Resonance and Harmonics

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