Ripple free amplitude demodulator

Details Ripple free amplitude demodulator Ripple free amplitude demodulator

1981-07-02

1984-01-17

Miller, Stanley D.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

329104, 329109, 329101, H03K 906, H03K 900, H03K 902

Patent

active

044266235

ABSTRACT:
A pulse sample demodulator which has a first sample and hold circuit detects the peak amplitude of the time varying waveform during a short sampling interval. The first sample and hold circuit is triggered by narrow pulses produced by a circuit responsive to the occurrence of each peak in the time varying waveform. A second sample and hold circuit, sampling during an interval not coincident with the first sampling interval, receives the information stored in the first sample and hold circuit; but sampling at a different interval, it does not receive the time varying signal applied to the first sample and hold circuit, which would otherwise appear as ripple in the output of the demodulator.

REFERENCES:
patent: 3482174 (1969-12-01), James

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