Fully differential demodulator with variable gain, and...

Details Fully differential demodulator with variable gain, and... Fully differential demodulator with variable gain, and...

2011-07-26

2011-07-26

Mis, David (Department: 2817)

Demodulators

Amplitude modulation demodulator

C073S504020

Reexamination Certificate

active

07986182

ABSTRACT:
A demodulator is provided for demodulating an amplitude-modulated input signal defined by a carrier signal having a carrier frequency modulated by a modulating signal, the demodulator including an amplifier stage having a gain and structured to receive the amplitude-modulated input signal, and a gain control stage coupled to the amplifier stage and configured to vary the gain of the amplifier stage according to the carrier frequency of the carrier signal.

REFERENCES:
patent: 4789837 (1988-12-01), Ridgers
patent: 5734683 (1998-03-01), Hulkko et al.
patent: 7275433 (2007-10-01), Caminada et al.
patent: 7663432 (2010-02-01), Prandi et al.
patent: 0132885 (1985-02-01), None
patent: 0209948 (1987-01-01), None

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