Pulse or digital communications – Receivers – Angle modulation
Reexamination Certificate
2006-12-29
2011-12-06
Tse, Young T. (Department: 2611)
Pulse or digital communications
Receivers
Angle modulation
C329S304000, C329S337000
Reexamination Certificate
active
08073080
ABSTRACT:
Certain aspects of a method and system for RC-CR quadrature generation with wideband coverage and process compensation may include determining an amplitude mismatch between an in-phase (I) component and a quadrature (Q) component of a signal generated in a radio frequency (RF) transmitter or receiver. A variation in resistance of a quadrature network associated with the I component and Q component may be determined. The determined amplitude mismatch and the determined variation in the resistance of the quadrature network may be compensated by adjusting a resistance of a portion of the quadrature network associated with the I component and a resistance of a portion of the quadrature network associated with the Q component.
REFERENCES:
patent: 7184737 (2007-02-01), Liu
patent: 2002/0177425 (2002-11-01), Li
patent: 2003/0132455 (2003-07-01), Utsunomiya et al.
patent: 2003/0181187 (2003-09-01), Liu
patent: 2003/0224747 (2003-12-01), Anand
patent: 2006/0229052 (2006-10-01), De Ruijter
Behzad Arya
Carter Keith
Li Qiang
Roufoogaran Razieh
Broadcom Corporation
Thomas Kayden Horstemeyer & Risley LLP
Tse Young T.
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