H03C 1/06

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9654054 Device and method for saturation prevention by transfer function modulation associated with conditioning of electrical current or voltageSep 30, 15May 16, 17Technology for Energy Corporation
9407246 Phase modulation noise reducerMay 19, 15Aug 02, 16THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE
9106501 Quadrature power amplifier having increased efficiencyApr 03, 13Aug 11, 15TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
8938027 Distortion compensation circuit, and transmission device using distortion compensation circuit and high-frequency power amplifierMar 12, 12Jan 20, 15HITACHI KOKUSAI ELECTRIC INC.
8583060 Polar modulator and method for generating a polar modulated signalJun 29, 12Nov 12, 13INTEL DEUTSCHLAND GMBH
8269572 Reducing the distortion of applied modulationFeb 26, 09Sep 18, 12QUALCOMM TECHNOLOGIES INTERNATIONAL, LTD.
8233854 Polar modulator and method for generating a polar-modulated signalMay 01, 09Jul 31, 12INTEL DEUTSCHLAND GMBH
8159309 Windowing to narrow a bandwidth of an amplitude modulation power supply input signalJun 24, 10Apr 17, 12QORVO US, INC.
7995674 Digital predistortion transmitterDec 29, 10Aug 09, 11HITACHI, LTD.
7893787 DC offset cancellation circuit for modulator using 1-bit signal conversionAug 19, 05Feb 22, 11NEC CORPORATION
7884681 Radio frequency power amplifier improvements using pre-distortion of an amplitude modulation power supplyApr 30, 08Feb 08, 11QORVO US, INC.
7864882 Method and apparatus for generating constant envelope modulation using a quadrature transmitterDec 30, 06Jan 04, 11GOOGLE INC.
7688914 Distortion compensation in wireless digital communicationDec 27, 05Mar 30, 10FUJITSU LIMITED
6674335 Blind linearization using cross-modulationJun 28, 02Jan 06, 04QUALCOMM INCORPORATED
6518849 Dynamic delay compensation versus average switching frequency in a modulator loop and methods thereofApr 16, 01Feb 11, 03CIRRUS LOGIC, INC.
6414560 Loop delay compensation for a digital power amplifierFeb 28, 01Jul 02, 02CIRRUS LOGIC, INC.
6373346 Laser driver pre-emphasis and de-emphasis method and/or architecture with tuning and duty cycle controlNov 27, 00Apr 16, 02QORVO US, INC.
6362702 Controlled self-oscillation modulator and power conversion system using such a modulatorSep 29, 00Mar 26, 02BANG & OLUFSEN POWERHOUSE A/S
5909153 Method and apparatus for compensating for delays in modulator loopsFeb 05, 98Jun 01, 99CIRRUS LOGIC, INC.
5798674 Band Limited AM modulator using linear power amplificationApr 08, 97Aug 25, 98HUGHES ELECTRONICS CORPORATION, RAYTHEON COMPANY,

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