AM Modulator and Demodulator
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This circuit has 2 stages: a modulator or another demodulator. The modulator stage is designed for amplitude modulation of an analog signal. The carrier is a 100 Khz sinusoidal signal and the carrier is a 1 Khz sinusoidal signal. The demodulating stage uses a diode as an envelope detector and an RC filter to eliminate high frequencies. Finally an op amp is used to improve the output voltage level.
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WhompingWillow
6 Circuits
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