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Class Information
Number: 330/296
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including particular biasing arrangement
Description: Subject matter with specific details or distinctive characteristics of the biasing means applied to the amplifying device.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8712344 Transmitter having a programmable amplifier operating class Apr. 29, 2014
8704598 Linear FET feedback amplifier Apr. 22, 2014
8692619 High frequency power amplifier Apr. 8, 2014
8686795 Power amplifier Apr. 1, 2014
8688061 System and method for biasing a power amplifier Apr. 1, 2014
8680921 Amplifying apparatus, transmitter, and amplifying apparatus control method Mar. 25, 2014
8680925 Amplifier arrangement and method for operating an amplifier arrangement Mar. 25, 2014
8669815 Amplifier, apparatus and method for controlling amplifier in communication system Mar. 11, 2014
8666339 Radio frequency power amplifier with low dynamic error vector magnitude Mar. 4, 2014
8653895 Circuit with reference source to control the small signal transconductance of an amplifier transistor Feb. 18, 2014
8633771 Power amplifier Jan. 21, 2014
8633772 Power conversion circuit and electronic device with power conversion circuit Jan. 21, 2014
8629723 Low noise amplifier including a single-ended input Jan. 14, 2014
8624675 Method and system for providing automatic gate bias and bias sequencing for field effect transistors Jan. 7, 2014
8604881 Efficiency improvement of doherty power amplifier using supply switching and digitally controlled gate bias modulation of peaking amplifier Dec. 10, 2013
8598506 Solid-state image pickup apparatus and driving method therefor Dec. 3, 2013
8600315 Method and system for a configurable front end Dec. 3, 2013
8593224 Regulator and temperature compensation bias circuit for linearized power amplifier Nov. 26, 2013
8593325 Successive approximation analog-to-digital conversion Nov. 26, 2013
8587380 Saturation protection of a regulated voltage Nov. 19, 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
8558621 Driver amplifier circuit and communication system Oct. 15, 2013
8542061 Charge pump based power amplifier envelope power supply and bias power supply Sep. 24, 2013
8542063 Adaptive amplification circuit Sep. 24, 2013
8536943 Selective narrowband feedback for a digital predistorter Sep. 17, 2013
8531243 Bias controlling apparatus Sep. 10, 2013
8525549 Physical unclonable function cell and array Sep. 3, 2013
8525595 Vramp limiting using resistors Sep. 3, 2013
8519796 Bias generation circuit, power amplifier module, and semiconductor device Aug. 27, 2013
8519797 Power amplifier and method for controlling power amplifier Aug. 27, 2013
8513973 Mitigating side effects of impedance transformation circuits Aug. 20, 2013
8502606 Power amplifying apparatus with dual-current control mode Aug. 6, 2013
8502607 Leakage current reduction in a power regulator Aug. 6, 2013
8497737 Amplifier circuit, mobile communication device and method for adjusting a bias of a power amplifier Jul. 30, 2013
8493154 Linearity enhancement on cascode gain block amplifier Jul. 23, 2013
8493142 Amplifier, transmission device, and amplifier control method Jul. 23, 2013
8487704 Reference voltage generator for biasing an amplifier Jul. 16, 2013
8471628 Amplifier with reduced output transients and method therefor Jun. 25, 2013
8471635 Bias circuit and amplifier providing constant output current for a range of common mode inputs Jun. 25, 2013
8466755 Polar modulation apparatus and communication device Jun. 18, 2013
8441320 Cancelation of gain change due to amplifier self-heating May. 14, 2013
8441316 Switching supply circuits and methods May. 14, 2013
8432225 Automatic gain control Apr. 30, 2013
8432227 Power amplifier Apr. 30, 2013
8432228 Power control circuit for radio frequency power amplifiers Apr. 30, 2013
8427227 Temperature compensation circuit Apr. 23, 2013
8416969 Amplifier circuit Apr. 9, 2013
8410854 Semiconductor integrated circuit device Apr. 2, 2013
8411015 Operational amplifier, source driver of a display, and method for controlling the operational amplifier thereof Apr. 2, 2013

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