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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:
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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