Method and circuit to reduce intermodulation distortion

Details Method and circuit to reduce intermodulation distortion Method and circuit to reduce intermodulation distortion

2005-12-13

2005-12-13

Vuong, Quochien B. (Department: 2685)

Telecommunications

Receiver or analog modulated signal frequency converter

Modulation distortion or cross talk correction or elimination

C455S063100, C455S067130, C455S307000, C375S346000, C375S350000

Reexamination Certificate

active

06975846

ABSTRACT:
Briefly, in accordance with an embodiment of the invention, a method and circuit to reduce intermodulation distortion is provided, wherein the method includes receiving a baseband signal and an interferer signal located in a frequency band and attenuating the interferer signal to reduce intermodulation distortion in the frequency band, wherein the attenuating occurs prior to anti-alias filtering of the baseband signal.

REFERENCES:
patent: 5557642 (1996-09-01), Williams
patent: 5918169 (1999-06-01), Dent
patent: 6005506 (1999-12-01), Bazarjani et al.
patent: 6307896 (2001-10-01), Gumm et al.
patent: 6470365 (2002-10-01), Rahman et al.
patent: 6590943 (2003-07-01), Ali

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