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Class Information
Number: 330/299
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including combined diverse-type semiconductor device
Description: Subject matter including plural semiconductor devices and at least one semiconductor device which is different in its physical characteristics or in materials, and which also amplifies the signal.










Sub-classes under this class:

Class Number Class Name Patents
330/300 Bipolar or unipolar (fet) 259


Patents under this class:

Patent Number Title Of Patent Date Issued
8045807 Pattern edge detecting method and pattern evaluating method Oct. 25, 2011
7768354 Radio-frequency power amplifier Aug. 3, 2010
7609076 Method of measuring characteristic impedance of electrostatic discharge protecting circuit and apparatus for realizing the same Oct. 27, 2009
7486138 Bipolar audio signal switch Feb. 3, 2009
7391829 Apparatus, system and method for receiver equalization Jun. 24, 2008
7391269 Amplifying circuit Jun. 24, 2008
7386075 Apparatus for and method of optimizing the performance of a radio frequency receiver in the presence of interference Jun. 10, 2008
7016664 Mixer circuit arrangement and an image-reject mixer circuit arrangement Mar. 21, 2006
7012464 Method and circuit for a dual supply amplifier Mar. 14, 2006
6828854 Method and circuit for a dual supply amplifier Dec. 7, 2004
6737915 Tube input JFET output (TIJO) zero feedback audio amplifier May. 18, 2004
6300669 Semiconductor integrated circuit device and method of designing same Oct. 9, 2001
6043714 Power amplifier incorporating heterojunction and silicon bipolar transistors Mar. 28, 2000
5977571 Low loss connecting arrangement for photodiodes Nov. 2, 1999
5854718 Record amplifying circuit for respectively serially and differentially driving sets of series-connected sound and video record heads Dec. 29, 1998
5701103 Amplifying circuit with DC voltage feedback to base terminal for magnetic record and playback apparatus Dec. 23, 1997
5623230 Low-offset, buffer amplifier Apr. 22, 1997
5574403 Simple high speed precision transconductance amplifier circuits Nov. 12, 1996
5498885 Modulation circuit Mar. 12, 1996
5469093 Current mirror drive circuit with high breakdown voltage Nov. 21, 1995
5463350 Biasing circuit of an amplifier Oct. 31, 1995
5446414 Simple high speed precision transconductance amplifier circuits Aug. 29, 1995
5278516 Buffer circuit Jan. 11, 1994
5023570 Emitter-follower circuit Jun. 11, 1991
4939254 Template synthesis of macrocyclic catecholamide complexes Jul. 3, 1990
4628281 Feedback amplifier with reduced distortion Dec. 9, 1986
4590005 Some macrocyclic compounds and their preparation May. 20, 1986
4540950 Wideband linear amplifier Sep. 10, 1985
4420725 Wide-bandwidth low-distortion amplifier Dec. 13, 1983
4105943 Integrated amplifier with negative feedback Aug. 8, 1978
4093925 Method and system of driving power field effect transistor Jun. 6, 1978
4058776 Bias circuit for avalanche diodes Nov. 15, 1977
4057763 Current amplifiers Nov. 8, 1977
4044313 Protective network for an insulated-gate field-effect (IGFET) differential amplifier Aug. 23, 1977
4015212 Amplifier with FET having gate leakage current limitation Mar. 29, 1977
3993869 Amplifying circuit for use with a high impedance source transducer Nov. 23, 1976
3978419 Temperature and supply voltage compensated amplifying device Aug. 31, 1976
3968451 Transistor amplifier Jul. 6, 1976
3968382 Protective circuit for field effect transistor amplifier Jul. 6, 1976
3965437 Avalanche semiconductor amplifier Jun. 22, 1976











 
 
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