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Class Information
Number: 455/241.1
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Local control of receiver operation > Gain control > Automatic > Nonlinear automatic gain control > Different gain stages
Description: Subject matter wherein the receiver contains plurality of amplifiers, the gain of each amplifier being different.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8639201 Voltage regulator for high performance RF systems Jan. 28, 2014
8615205 I-Q mismatch calibration and method Dec. 24, 2013
8577319 Gain partitioning in a receiver Nov. 5, 2013
8565358 Circuits, systems, and methods for managing automatic gain control in quadrature signal paths of a receiver Oct. 22, 2013
8514989 Method circuit and system for adapting a receiver receive chain based on detected background noise Aug. 20, 2013
8514991 Method circuit and system for adapting a receiver receive chain based on detected background noise Aug. 20, 2013
8498368 Method and system for optimizing gain changes by identifying modulation type and rate Jul. 30, 2013
8498366 Architectures for universal or software radio Jul. 30, 2013
8478221 Method and apparatus for efficient DC calibration in a direct-conversion system with variable DC gain Jul. 2, 2013
8437719 Method and system for multiple tuner application using a low noise broadband distribution amplifier May. 7, 2013
8428535 Receiver dynamic power management Apr. 23, 2013
8428536 Low-cost receiver using automatic gain control Apr. 23, 2013
8374563 Gain control circuit of the wireless receiver Feb. 12, 2013
8364109 Receiver Jan. 29, 2013
8331884 Voltage regulator for high performance RF systems Dec. 11, 2012
8320865 WCDMA AGC receiver SNR adjustment and signalling Nov. 27, 2012
8320864 Method and system for multiple tuner application using a low noise broadband distribution amplifier Nov. 27, 2012
8306162 Method and apparatus for complementary cumulative distribution driven level convergence for spectrum sensing Nov. 6, 2012
8259878 Apparatus and method for receiving signal in wireless communication system using multi antenna Sep. 4, 2012
8238861 Automatic gain control in a wireless communication network Aug. 7, 2012
8229381 Method and apparatus for efficient DC calibration in a direct-conversion system with variable DC gain Jul. 24, 2012
8213891 Gain control apparatus and method in receiver of multiband OFDM system Jul. 3, 2012
8135375 Receiver having a gain-controllable stage Mar. 13, 2012
8134410 Transceiver gain calibration Mar. 13, 2012
8063997 Integrated programmable tuner Nov. 22, 2011
8050642 Variable gain amplifier and receiver including the same Nov. 1, 2011
7983642 Method and system for detecting an out of band interferer in an RF receiver Jul. 19, 2011
7974598 Methods and apparatus for calibrating received signal strength indicators Jul. 5, 2011
7962112 Heterodyne receiver Jun. 14, 2011
7949419 Method and system for controlling gain during multipath multi-rate audio processing May. 24, 2011
7920840 Wireless receiver apparatus provided with gain control amplifier Apr. 5, 2011
7885627 Optimal initial gain selection for wireless receiver Feb. 8, 2011
7809339 Voltage regulator for high performance RF systems Oct. 5, 2010
7792508 Radio frequency signal receiver for controlling bias current and method for controlling bias current Sep. 7, 2010
7778223 Cordless communication apparatus Aug. 17, 2010
7774201 Acoustic device with first and second gain setting units Aug. 10, 2010
7751787 Timing generator and methods thereof Jul. 6, 2010
7746964 Signal processing apparatus and signal processing method Jun. 29, 2010
7697614 System and method for calibrating an analog signal path during operation in an ultra wideband receiver Apr. 13, 2010
7684772 Tuner for compensating for take-over point depending on temperature Mar. 23, 2010
7680473 Circuits and methods for signal gain control Mar. 16, 2010
7603094 DC offset correction for direct conversion receivers Oct. 13, 2009
7558551 Signal distribution system cascadable AGC device and method Jul. 7, 2009
7496338 Multi-segment gain control system Feb. 24, 2009
7477882 Reception apparatus and reception method Jan. 13, 2009
7463704 Multi-chain signal detection and gain control for automatic gain control systems Dec. 9, 2008
7440738 Automatic gain control with two power detectors Oct. 21, 2008
7414676 Integrated programmable tuner Aug. 19, 2008
7373162 Methods of controlling transmission power levels in air interface channels May. 13, 2008
7336935 Dynamic power control circuit of wireless communication device Feb. 26, 2008

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