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Analog supply filtering projects

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Theremin Musical Instrument using Heterodyne Oscillators and Audio Amplifier — project thumbnail preview
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Theremin Musical Instrument using Heterodyne Oscillators and Audio Amplifier

This project builds a theremin — a musical instrument played without touching it — using two RF oscillators near 440 kHz whos...

LM386 audio amplifier LC oscillator design Heterodyne mixing
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