Radio receiver with DC offset correction circuit

Details Radio receiver with DC offset correction circuit Radio receiver with DC offset correction circuit

1994-12-20

1998-03-03

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

455207, 455209, 4552781, 455310, 455312, 375319, 375346, 375349, H04B 112

Patent

active

057246530

ABSTRACT:
The present invention relates to a radio receiver adapted for use in a time division multiple access (TDMA) system. The radio receiver includes DC compensator circuits configured to decrease the time required to cancel DC offset before received data bursts by DC coupling a radio frequency (RF) demodulator to a baseband channel. The radio receiver may also employ AC capacitive coupling having time modification so as to increase the AC coupled setting time and provide a low pole in a RF-to-Baseband interface.

REFERENCES:
patent: 4776039 (1988-10-01), Akaiwa
patent: 5128966 (1992-07-01), Bang
patent: 5196806 (1993-03-01), Ichihara
patent: 5212826 (1993-05-01), Rabe et al.
patent: 5222253 (1993-06-01), Heck
patent: 5241702 (1993-08-01), Dent
patent: 5291474 (1994-03-01), Ikonen et al.
patent: 5309501 (1994-05-01), Kozik et al.
patent: 5471665 (1995-11-01), Pace et al.

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