Receiver with chopper stabilization and method thereof

Details Receiver with chopper stabilization and method thereof Receiver with chopper stabilization and method thereof

2007-02-27

2007-02-27

Ha, Dac V. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Antinoise or distortion

C375S346000, C375S350000, C455S295000, C455S307000, C455S323000, C455S334000, C329S320000, C329S350000, C329S353000

Reexamination Certificate

active

11019750

ABSTRACT:
A receiver (202) has a down-conversion receiver (304) for transforming a signal (201) from a first operating frequency to a second operating frequency that is lower than the first operating frequency, and a receiver filter (308) with chopper stabilization for filtering unwanted portions of the signal (306) at the second operating frequency and for generating a final filtered signal (203) at the second operating frequency.

REFERENCES:
patent: 6351506 (2002-02-01), Lewicki
patent: 6657488 (2003-12-01), King et al.
patent: 6978125 (2005-12-01), Lindell et al.
Jussi Ryynanen, et al, “Direct Conversion Receiver For GSM900, DCS1800, PCS1900 and WCDMA”, 2003, p. 942-945.

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