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Class Information
Number: 330/84
Name: Amplifiers > Signal feedback > Plural amplifier channels
Description: Subject matter involving plural amplifier channels combined in addition, for one or more channels, with signal feedback means above.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7391259 |
Power amplifier |
Jun. 24, 2008 |
| 7375584 |
Gain adjustment method, gain adjustment circuit, and optical disc device having same gain adjustment circuit |
May. 20, 2008 |
| 7327190 |
Differential amplifier arrangement |
Feb. 5, 2008 |
| 7295066 |
Adaptive predistortion for a transmit system |
Nov. 13, 2007 |
| 7230483 |
Negative feedback system with an error compensation scheme |
Jun. 12, 2007 |
| 7161420 |
Amplifiers with compensation |
Jan. 9, 2007 |
| 7157976 |
High frequency amplifier |
Jan. 2, 2007 |
| 7126417 |
Distributed gain network |
Oct. 24, 2006 |
| 7126414 |
Arrangement and method for controlling an amplifier circuit corresponding to energy uptake in the amplifier circuit |
Oct. 24, 2006 |
| 7113744 |
Adaptive radio transceiver with a power amplifier |
Sep. 26, 2006 |
| 7088975 |
Automatic gain control system and method using multiple local AGC loops |
Aug. 8, 2006 |
| 7068099 |
Power amplifier module with distortion compensation |
Jun. 27, 2006 |
| 7068101 |
Adaptive predistortion for a transmit system |
Jun. 27, 2006 |
| 7053706 |
High linearity doherty communication amplifier with bias control |
May. 30, 2006 |
| 7002410 |
Adaptive linearization technique for communication building block |
Feb. 21, 2006 |
| 6784750 |
Transimpedance amplifier with selective DC compensation |
Aug. 31, 2004 |
| 6747517 |
Power-shifting rf amplifiers |
Jun. 8, 2004 |
| 6741144 |
High-frequency semiconductor device |
May. 25, 2004 |
| 6605992 |
Offset error in linear feedback loops corrected by loop replication |
Aug. 12, 2003 |
| 6590447 |
Precision bridge amplifier |
Jul. 8, 2003 |
| 6577198 |
Active power splitter with impedance matching |
Jun. 10, 2003 |
| 6566946 |
Noise reduction scheme for operational amplifiers |
May. 20, 2003 |
| 6388527 |
Semiconductor circuit with a stabilized gain slope |
May. 14, 2002 |
| 6326841 |
Method and apparatus for compensating for loss or RF output power from the isolation port of a hybrid coupler |
Dec. 4, 2001 |
| 6307434 |
Circuit for ensuring full saturation of amplifiers of a single input configured bridge amplifier |
Oct. 23, 2001 |
| 6304138 |
Audio-frequency power amplifier that utilizes a bridged amplified configuration |
Oct. 16, 2001 |
| 6160446 |
Balanced differential amplifier without common-mode feedback circuit |
Dec. 12, 2000 |
| 6097245 |
Differential output amplifier arrangement and method for tuning the output impedance of a differential output amplifier |
Aug. 1, 2000 |
| 6091294 |
Amplifier circuit |
Jul. 18, 2000 |
| 6057731 |
Low-distortion high-frequency amplifier |
May. 2, 2000 |
| 5963088 |
Fully balanced analog circuit |
Oct. 5, 1999 |
| 5923206 |
Charge injection cancellation technique |
Jul. 13, 1999 |
| 5903189 |
High gain low distortion bridge amplifier with feedback |
May. 11, 1999 |
| 5880633 |
High efficiency power amplifier |
Mar. 9, 1999 |
| 5861778 |
Low noise amplifier structure |
Jan. 19, 1999 |
| 5834973 |
Voltage isolation circuit for a measurement channel |
Nov. 10, 1998 |
| 5828267 |
Amplifier |
Oct. 27, 1998 |
| 5771319 |
Network for influencing signal fields |
Jun. 23, 1998 |
| 5712591 |
Parallel preamplifier and equalizer |
Jan. 27, 1998 |
| 5663682 |
Wide bandwidth combiner-amplifier |
Sep. 2, 1997 |
| 5650752 |
Amplifier circuit with parallel connected amplifiers |
Jul. 22, 1997 |
| 5638024 |
Waste energy control and management in power amplifiers |
Jun. 10, 1997 |
| 5625320 |
Differential preamplifier and pre-emphasis network |
Apr. 29, 1997 |
| 5621352 |
Self-configurable, dual bridge, power amplifier |
Apr. 15, 1997 |
| 5610555 |
Low-voltage driven, audio signal amplifying apparatus and a portable acoustic system using said apparatus |
Mar. 11, 1997 |
| 5543759 |
Audio amplification circuits |
Aug. 6, 1996 |
| 5510751 |
Line driver with adaptive output impedance |
Apr. 23, 1996 |
| 5486791 |
Programmable gain amplifier |
Jan. 23, 1996 |
| 5434538 |
Gain enhancement for amplifier using a replica amplifier |
Jul. 18, 1995 |
| 5399986 |
Isolated multi-output power amplifier |
Mar. 21, 1995 |
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