DC offset compensation method and apparatus

Details DC offset compensation method and apparatus DC offset compensation method and apparatus

1996-08-02

1997-12-16

Mis, David

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

329357, 375317, 375321, 455204, H03D 100, H04L 2708

Patent

active

056990111

ABSTRACT:
A DC offset measurement and compensation circuit includes a switch arrangement for establishing a zero carrier condition in the circuit. The circuit output is integrated to develop any DC offsets, which are converted to analog form and subtracted from the signal output. A reference may also be subtracted to establish a base digital level for the output.

REFERENCES:
patent: 4972163 (1990-11-01), Van Der Plas
patent: 5410368 (1995-04-01), Krishnamurthy et al.

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