1
Robert Edmund Grange, Donald Brian Eidson: Envelope feedforward technique with power control for efficient linear RF power amplification. Conexant Systems, Knobbe Martens Olson & Bear, June 11, 2002: US06404823 (184 worldwide citation)

An envelope feedforward technique is described that provides efficient, variable-power, linear amplification of an input signal. An input signal having phase and amplitude components is separated (decomposed) into an FM portion and an envelope portion. The FM portion contains the high frequency phas ...


2
Donald Brian Eidson, Robert Edmund Grange: Power amplification using a direct-upconverting quadrature mixer topology. Conexant Systems, October 23, 2001: US06307894 (167 worldwide citation)

A power amplifier for use in a wireless communication system operates like a quadrature mixer with conversion gain. The amplifier includes a local oscillator that generates two reference signals 90° out of phase with respect to each other. Four quadrature mixer elements receive signals representing ...


3
Siamak Fazel Pour: Single Paddle having a semiconductor device and a passive electronic component. Conexant Systems, Snell & Wilmer L, January 1, 2002: US06335564 (159 worldwide citation)

A semiconductor package and a corresponding method of forming this package are provided. The semiconductor package includes a paddle and a semiconductor device mounted on the paddle. A passive electronic component is also mounted on the paddle and spaced apart from the semiconductor device. Intercon ...


4
Donald Brian Eidson, Abraham Krieger, Ramaswamy Murali: Iterative decoder employing multiple external code error checks to lower the error floor. Conexant Systems, Howrey, December 18, 2007: US07310768 (157 worldwide citation)

Iterative decoder employing multiple external code error checks to lower the error floor and/or improve decoding performance. Data block redundancy, sometimes via a cyclic redundancy check (CRC) or Reed Solomon (RS) code, enables enhanced iterative decoding performance. Improved decoding performance ...


5
Donald Brian Eidson, Abraham Krieger, Ramaswamy Murali: Iteractive decoder employing multiple external code error checks to lower the error floor. Conexant Systems, Howrey Simon Arnold & White, October 26, 2004: US06810502 (147 worldwide citation)

Iterative decoder employing multiple external code error checks to lower the error floor and/or improve decoding performance. Data block redundancy, sometimes via a cyclic redundancy check (CRC) or Reed Solomon (RS) code, enables enhanced iterative decoding performance. Improved decoding performance ...


6
Morten Damgaard, Leo Li: RF architecture for cellular dual-band telephones. Conexant Systems, Thomas Kayden Horstemeyer & Risley, March 27, 2001: US06208875 (135 worldwide citation)

A dual band RF architecture including a GSM quadrature modulator for modulating an intermediate frequency (IF) wherein the frequency of the modulated IF signal is changed such that one IF is used for the GSM band and another IF is used for the DCS 1800 band. An intermediate frequency (IF) filter wit ...


7
Wei jei Song: Method and an apparatus for positioning system assisted cellular radiotelephone handoff and dropoff. Conexant Systems, Thomas Kayden Horstemeyer & Risley, December 4, 2001: US06327471 (128 worldwide citation)

A method and an apparatus is provided for acquiring satellite signals to establish the exact spatial position of a cellular radiotelephone, in order to perform a timely dropoff or smooth handoff to another base station or frequency. The cellular radiotelephone is equipped with its own positioning sy ...


8
Hassan Hashemi, Shiaw Chang, Roger Forse, Evan McCarthy, Trang Trinh, Thuy Tran: Multiple chip module with integrated RF capabilities. Conexant Systems, Farjami & Farjami, April 23, 2002: US06377464 (126 worldwide citation)

A multiple chip module (MCM) for use with baseband, RF, or IF applications includes a number of active circuit chips having a plurality of different functions. The active circuit chips are mounted on a substrate that is configured to provide an integrated subsystem in a single MCM package. The MCM i ...


9
Paul R Andrys, Philip H Thompson: Double balance differential active ring mixer with current shared active input balun. Conexant Systems, May 2, 2000: US06057714 (126 worldwide citation)

A frequency conversion or synthesis circuit including a double balance differential active ring mixer with a current shared active radio frequency (RF) input balun, suitable for use in an RF receiver. The circuit is configured to be coupled to a bias circuit for providing a relatively constant curre ...


10
Morten Damgaard, Leo L Li: Dual band transmitter for a cellular phone comprising a PLL. Conexant Systems, Knobbe Martens Olson & Bear, November 21, 2000: US06150890 (99 worldwide citation)

Disclosed is a dual band wireless phone, such as a cellular phone for a mobile communications system, with a dual band transmitter that includes a phase-locked loop (PLL). The dual band transmitter includes first and second power amplifiers and the PLL. The first power amplifier has a first input fo ...



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