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Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/140
Name: Amplifiers > With control of power supply or bias voltage > With control of input electrode or gain control electrode bias > Rectifier in bias control circuit
Description: Subject matter combined with a rectifier in "the bias voltage control means".










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8638249 System and method for high input capacitive signal amplifier Jan. 28, 2014
8477832 Load insensitive quadrature power amplifier power detector Jul. 2, 2013
8461923 Logarithmic mean-square power detector with servo control loop Jun. 11, 2013
8330546 Systems and methods for saturation correction in a power control loop Dec. 11, 2012
8253489 Amplifier, transmitter, and method for compensating gain Aug. 28, 2012
8217717 Linear detector with added diode feedback loop Jul. 10, 2012
8193858 Setting an output level of an amplifier apparatus Jun. 5, 2012
8193859 Dual FET detector Jun. 5, 2012
8188793 Systems and methods for saturation detection and corection in a power control loop May. 29, 2012
8138831 Low noise amplifier Mar. 20, 2012
8135357 Integrated transmitter/receiver switch with impedance matching network Mar. 13, 2012
8107903 Radio frequency amplification circuit utilizing variable voltage generator Jan. 31, 2012
8089313 Power amplifier Jan. 3, 2012
7994860 Electronic component for high frequency power amplification Aug. 9, 2011
7965142 Gain control circuit and its gain control method Jun. 21, 2011
7961044 Amplifier Jun. 14, 2011
7944246 Signal detecting circuit May. 17, 2011
7912430 Circuit arrangement for wirelessly exchanging data and RFID chip card device Mar. 22, 2011
7898326 Device and method for amplifying radiocommunication signals Mar. 1, 2011
7804356 Amplifier with automatic gain profile control and calibration Sep. 28, 2010
7795967 AGC circuit Sep. 14, 2010
7733176 System and method for power amplifier output power control Jun. 8, 2010
7728664 Low noise amplifier with multiple inputs and multiple outputs Jun. 1, 2010
7586374 Wireless communication unit, integrated circuit and biasing therefor Sep. 8, 2009
7551027 RF power amplifier mirror circuit for sensing current Jun. 23, 2009
7532067 Amplifier device with adjustable supply voltage May. 12, 2009
7515880 Variable gain frequency multiplier Apr. 7, 2009
7508262 Envelope elimination and restoration amplifier harmonic energy recovery system and method Mar. 24, 2009
7486137 System and method for power amplifier output power control Feb. 3, 2009
7483678 Single chip GSM/EDGE transceiver architecture with closed loop power control Jan. 27, 2009
7471147 Automatic gain controller Dec. 30, 2008
7469133 Radio frequency power detector Dec. 23, 2008
7466196 Detector for automatic gain control Dec. 16, 2008
7457598 Signal amplifier system for a broadcast receiver Nov. 25, 2008
7454179 Radio frequency power detector and decision circuit used with DC supply voltage controlled power amplifiers Nov. 18, 2008
7414486 Device and method for power calibration of an oscillator Aug. 19, 2008
7375584 Gain adjustment method, gain adjustment circuit, and optical disc device having same gain adjustment circuit May. 20, 2008
7358807 Protection of output stage transistor of an RF power amplifier Apr. 15, 2008
7345538 Measuring circuit for the output of a power amplifier and a power amplifier comprising the measuring circuit Mar. 18, 2008
7253681 Power amplifier with integrated sensors Aug. 7, 2007
7250818 RF power amplifier circuit and RF transmitter and terminal including it Jul. 31, 2007
7242246 Amplitude detecting method, AGC circuit gain controlling method, amplitude detecting apparatus and AGC amplifier circuit Jul. 10, 2007
7183846 Device for detecting the power of a signal and integrated circuit with amplifier and related power detection device Feb. 27, 2007
7171171 GaAs RF signal detection circuit with operational amplifier Jan. 30, 2007
7164315 Power detector for mismatched load Jan. 16, 2007
7061316 High frequency power detector with dBm-linear characteristic and method of regulating the power of an electrical HF-oscillation Jun. 13, 2006
7046092 Amplifier circuit having signal detection function May. 16, 2006
7042285 RF power amplifier with load insensitive indirect forward power detector May. 9, 2006
7038543 Collective automatic gain control May. 2, 2006
7030689 Isolated DC-to-DC converter Apr. 18, 2006

1 2 3










 
 
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