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Class Information
Number: 330/263
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including push-pull amplifier > Having complementary symmetry
Description: Subject matter wherein semiconductor devices of opposite conductivity are utilized.










Sub-classes under this class:

Class Number Class Name Patents
330/265 And feedback means 191
330/264 And field effect transistor 321
330/267 And particular biasing arrangement 385
330/266 And temperature compensation 41


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8558288 Methods and apparatus for measuring analytes using large scale FET arrays Oct. 15, 2013
8478210 Apparatus and method of digital predistortion for power amplifiers with dynamic nonlinearities Jul. 2, 2013
8422977 Programmable filter Apr. 16, 2013
8368789 Systems and methods to provide reference current with negative temperature coefficient Feb. 5, 2013
8346096 Amplifier, optical receiver circuit, optical module and data exchange system Jan. 1, 2013
8320846 Amplifier Nov. 27, 2012
8279001 Push-pull linear hybrid class H amplifier Oct. 2, 2012
8143949 Push-pull linear hybrid class H amplifier Mar. 27, 2012
7944301 Method and apparatus for an amplifier May. 17, 2011
7821304 Semiconductor device having input circuit minimizing influence of variations in input signals Oct. 26, 2010
7760022 Amplifier circuit Jul. 20, 2010
7728670 Method and apparatus for an amplifier Jun. 1, 2010
7710199 Method and apparatus for stabilizing RF power amplifiers May. 4, 2010
7659756 MOSFET transistor amplifier with controlled output current Feb. 9, 2010
7646244 Apparatus and method for unity gain buffer with high switching speed and low quiescent current Jan. 12, 2010
7629847 Opposing currents differential amplifier Dec. 8, 2009
7535300 Operational amplifier May. 19, 2009
7489193 Operational amplifier Feb. 10, 2009
7477104 Power amplifier circuit and test apparatus Jan. 13, 2009
7466199 Low noise amplifier with low current consumption Dec. 16, 2008
7449952 Amplifying circuit having a pull-up circuit and a pull-down circuit for increasing slew rate Nov. 11, 2008
7411454 Electron turbulence damping circuit for a complimentary-symmetry amplification unit Aug. 12, 2008
7400196 Ultra wide band, differential input/output, high frequency amplifier in an integrated circuit Jul. 15, 2008
7394316 High speed, high current gain voltage buffer and method Jul. 1, 2008
7352243 Voltage comparator circuit Apr. 1, 2008
7348850 Electronic circuit for amplification of a bipolar signal Mar. 25, 2008
7323898 Pin electronics driver Jan. 29, 2008
7224227 Apparatus and method for correction of error caused by reverse saturation current mismatch May. 29, 2007
7193425 Semiconductor test device Mar. 20, 2007
7135927 Ultra fast, low noise operational amplifier with dynamic biasing Nov. 14, 2006
7102440 High output current wideband output stage/buffer amplifier Sep. 5, 2006
7091789 Output circuit Aug. 15, 2006
7078973 Bipolar rail-to-rail output stage Jul. 18, 2006
7009451 Image display apparatus and high voltage driver circuit Mar. 7, 2006
6982600 Class G-amplifiers Jan. 3, 2006
6888406 Highly linear variable gain amplifier May. 3, 2005
6882225 Multi-stage power amplifier for audio frequencies Apr. 19, 2005
6867621 Class AB digital to analog converter/line driver Mar. 15, 2005
6806770 Operational amplifier Oct. 19, 2004
6784738 Method and apparatus for gain control in a CMOS low noise amplifier Aug. 31, 2004
6784736 Apparatus and method for indicating a difference between first and second voltage signals Aug. 31, 2004
6782107 Method and arrangement for automatically controlling the volume in an audio signal reproduction device Aug. 24, 2004
6741133 High output amplifier for stable operation May. 25, 2004
6720798 Class AB digital to analog converter/line driver Apr. 13, 2004
6714076 Buffer circuit for op amp output stage Mar. 30, 2004
6710660 Class B power buffer with rail to rail output swing and small deadband Mar. 23, 2004
6657496 Amplifier circuit with regenerative biasing Dec. 2, 2003
6642790 Differential, complementary amplifier Nov. 4, 2003
6630866 High beta output stage for high speed operational amplifier Oct. 7, 2003
6586998 Output stage and method of enhancing output gain Jul. 1, 2003

1 2 3 4










 
 
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