Asynchronous demodulator

Details Asynchronous demodulator Asynchronous demodulator

1975-04-23

1976-11-02

Kominski, John

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

329124, 331 12, H03D 500

Patent

active

039900169

ABSTRACT:
Phase detectors in quadrature whose outputs are simultaneously coupled to: high pass networks and cross coupled multipliers with the output summed to produce a signal proportional to the frequency difference of the signals applied to the aforesaid phase detectors; and, multipliers arranged to square the output of each phase detector whose outputs are summed to produce a signal proportional to the square of the product of the amplitudes of the signals applied to the aforesaid phase detectors.

REFERENCES:
patent: 3568067 (1971-03-01), Williford
patent: 3665304 (1972-05-01), Maybach
patent: 3748590 (1973-07-01), Gray

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