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Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/285
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including gain control means > Having particular biasing means
Description: Subject matter having specific details or distinctive characteristics of a biasing means for applying a biasing voltage to the amplifying device.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8704593 Metamaterial power amplifier systems Apr. 22, 2014
8706064 Systems and methods to adjust the bias of an amplifier Apr. 22, 2014
8692620 Power amplifier Apr. 8, 2014
8686795 Power amplifier Apr. 1, 2014
8688061 System and method for biasing a power amplifier Apr. 1, 2014
8665027 Amplifier for wireless receiver and associated method Mar. 4, 2014
8665019 Power amplifier Mar. 4, 2014
8666337 System and method for power amplifier control saturation detection and correction Mar. 4, 2014
8659358 Amplifier, transmission apparatus, and gate voltage determination method Feb. 25, 2014
8653895 Circuit with reference source to control the small signal transconductance of an amplifier transistor Feb. 18, 2014
8648659 Digital pre-distortion power amplifying apparatus and method for digitally controlling synchronization thereof Feb. 11, 2014
8629717 Power consumption control circuit, amplifier circuit and power consumption control method Jan. 14, 2014
8626092 Low variation current multiplier Jan. 7, 2014
8624678 Output stage of a power amplifier having a switched-bulk biasing and adaptive biasing Jan. 7, 2014
8624675 Method and system for providing automatic gate bias and bias sequencing for field effect transistors Jan. 7, 2014
8618876 Reduced power-consumption transmitters Dec. 31, 2013
8598953 System and method for pre-charging a current mirror Dec. 3, 2013
8600315 Method and system for a configurable front end Dec. 3, 2013
8593223 Automatic gain control circuit Nov. 26, 2013
8581666 Integrated circuit Nov. 12, 2013
8564372 Circuit for compensating base current of transistor and amplifier circuit provided with the same Oct. 22, 2013
8565341 Power amplifier and semiconductor integrated circuit Oct. 22, 2013
8548414 Circuit and method for reducing radio-frequency power consumption of mobile phone Oct. 1, 2013
8542064 Methods and apparatus to control power in a printer Sep. 24, 2013
8525590 Power amplifier control circuit Sep. 3, 2013
8514024 High power-supply rejection ratio amplifying circuit Aug. 20, 2013
8502606 Power amplifying apparatus with dual-current control mode Aug. 6, 2013
8497737 Amplifier circuit, mobile communication device and method for adjusting a bias of a power amplifier Jul. 30, 2013
8494182 Feedback limiter with adaptive time control Jul. 23, 2013
8487698 Amplifier with pass-through mode Jul. 16, 2013
8466745 Hybrid reconfigurable multi-bands multi-modes power amplifier module Jun. 18, 2013
8451071 Low noise oscillators May. 28, 2013
8432228 Power control circuit for radio frequency power amplifiers Apr. 30, 2013
8432227 Power amplifier Apr. 30, 2013
8432225 Automatic gain control Apr. 30, 2013
8432224 Power amplifier with back-off efficiency Apr. 30, 2013
8400223 Amplifier arrangement Mar. 19, 2013
8390375 Calculating apparatus, distortion correcting apparatus, amplifying apparatus, and calculating method Mar. 5, 2013
8391812 Method and system for amplifier control Mar. 5, 2013
8378749 Systems and methods for adaptive bias circuits for a power amplifier Feb. 19, 2013
8354888 Power amplifier Jan. 15, 2013
8344806 Power amplifier with power feedback Jan. 1, 2013
8334721 Integrated upstream amplifier for cable modem and cable set-top boxes Dec. 18, 2012
8330546 Systems and methods for saturation correction in a power control loop Dec. 11, 2012
8331882 VSWR normalizing envelope modulator Dec. 11, 2012
8324971 Self-adjusting gate bias network for field effect transistors Dec. 4, 2012
8319558 Bias-based linear high efficiency radio frequency amplifier Nov. 27, 2012
8295794 System and method for power control for a surface acoustic wave (SAW) filter-less transmitter Oct. 23, 2012
8294519 Power amplifying apparatus and power amplifying method Oct. 23, 2012
8279008 CMOS millimeter-wave variable-gain low-noise amplifier Oct. 2, 2012

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