Radio frequency integrated circuit having symmetrical...

Details Radio frequency integrated circuit having symmetrical... Radio frequency integrated circuit having symmetrical...

2007-02-27

2007-02-27

Vo, Nguyen T. (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

C455S334000

Reexamination Certificate

active

10645026

ABSTRACT:
A radio frequency circuit includes a first differential RF path and a second differential path. The first differential RF path includes at least one RF block that includes a first differential section and a second differential section, wherein the first differential section is symmetrical with the second differential section. The second differential RF path includes at least one RF block that includes a first differential section and a second differential section, wherein the first differential section is symmetrical with the second differential section. The first and second half differential sections of the at least one RF block of the first differential RF path are symmetrically placed on at least one layer around the first and second half differential sections of the at least one RF block of the second differential RF path, wherein the first and second half differential sections of the at least one RF block of the second differential RF path are fabricated on the at least one layer.

REFERENCES:
patent: 6714169 (2004-03-01), Chau et al.
patent: 6856199 (2005-02-01), Komijani et al.
patent: 6870513 (2005-03-01), Deng et al.
patent: 2004/0253939 (2004-12-01), Castaneda et al.
patent: 2005/0090287 (2005-04-01), Rofougaran

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