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Class Information
Number: 330/278
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including gain control means
Description: Subject matter including circuitry which controls the amplification of the applied signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616055 |
Transmitter apparatus with extended gain control |
Nov. 10, 2009 |
| 7605660 |
Linear multi-stage transimpedance amplifier |
Oct. 20, 2009 |
| 7602242 |
Method and system for polar modulating QAM signals with discontinuous phase |
Oct. 13, 2009 |
| 7598987 |
Flicker detection gain control circuit, digital imaging system, and method |
Oct. 6, 2009 |
| 7595692 |
Automatic gain control circuit |
Sep. 29, 2009 |
| 7592873 |
Low noise amplifier |
Sep. 22, 2009 |
| 7587188 |
Radio wave reception device, radio wave clock, and repeater |
Sep. 8, 2009 |
| 7586376 |
Pre-power amplifier of load, switch array, and impedance compensation |
Sep. 8, 2009 |
| 7564302 |
Method and system for gain control and power saving in broadband feedback low-noise amplifiers |
Jul. 21, 2009 |
| 7560990 |
Low noise amplifier and low noise amplifying method |
Jul. 14, 2009 |
| 7558332 |
Adaptive controller for linearization of transmitter with impairments |
Jul. 7, 2009 |
| 7554403 |
Gainboost biasing circuit for low voltage operational amplifier design |
Jun. 30, 2009 |
| 7554407 |
Multi-mode power amplifier with low gain variation over temperature |
Jun. 30, 2009 |
| 7551026 |
Method and system for polar modulation with discontinuous phase for RF transmitters with power control |
Jun. 23, 2009 |
| 7548590 |
Method for determining an offset value for a gain of a transmission path, transmission path with adjustable gain, and use of the transmission path |
Jun. 16, 2009 |
| 7545211 |
Predistortion linearization device with adjustable amplitude and shape |
Jun. 9, 2009 |
| 7539613 |
Device for recovering missing frequency components |
May. 26, 2009 |
| 7536159 |
Automatic gain control using signal and interference power to obtain extended blocking performance |
May. 19, 2009 |
| 7522892 |
Power amplifier with serial interface and associated methods |
Apr. 21, 2009 |
| 7519337 |
Transmitter and mobile communication terminal using the same |
Apr. 14, 2009 |
| 7514665 |
Differential amplifier circuit with rectifier for optical pick-up device |
Apr. 7, 2009 |
| 7508266 |
Method for enhancing linearity of a transistor amplifier using switched capacitive loads |
Mar. 24, 2009 |
| 7504888 |
Internally compensated differential amplifier |
Mar. 17, 2009 |
| 7504884 |
Automatic gain control apparatus of cable modem, and lock-time acquisition method using the same |
Mar. 17, 2009 |
| 7504885 |
Variable gain amplifier |
Mar. 17, 2009 |
| 7505855 |
Multi-channel amplifier having programmable operational characteristics controlled with a serial interface |
Mar. 17, 2009 |
| 7501887 |
Controllable amplifier and its use |
Mar. 10, 2009 |
| 7501895 |
Channel state aided automatic gain control |
Mar. 10, 2009 |
| 7498882 |
Signaling system with low-power automatic gain control |
Mar. 3, 2009 |
| 7495513 |
Signaling system with low-power automatic gain control |
Feb. 24, 2009 |
| 7489200 |
Gain controllable low noise amplifier and wireless communication receiver having the same |
Feb. 10, 2009 |
| 7489195 |
Variable gain amplifying circuit |
Feb. 10, 2009 |
| 7486138 |
Bipolar audio signal switch |
Feb. 3, 2009 |
| 7482873 |
Preserving linearity of a rf power amplifier |
Jan. 27, 2009 |
| 7475273 |
Hybrid parallel/serial bus interface |
Jan. 6, 2009 |
| 7471941 |
Amplifier assembly including variable gain amplifier, parallel programmable amplifiers, and AGC |
Dec. 30, 2008 |
| 7468634 |
Apparatus for converting single-ended signal into differential signal |
Dec. 23, 2008 |
| 7456689 |
Amplifier circuit and gain control method thereof |
Nov. 25, 2008 |
| 7443435 |
Column amplifier with automatic gain selection for CMOS image sensors |
Oct. 28, 2008 |
| 7443242 |
AGC circuit |
Oct. 28, 2008 |
| 7433662 |
Mixer gain control with gain tracking offsets |
Oct. 7, 2008 |
| 7432763 |
Gain boosting for tuned differential LC circuits |
Oct. 7, 2008 |
| 7429891 |
Method and system for low noise amplifier (LNA) gain adjustment through narrowband received signal strength indicator (NRSSI) |
Sep. 30, 2008 |
| 7415254 |
Power control circuit, semiconductor device and transceiver circuit using the same |
Aug. 19, 2008 |
| 7411456 |
AGC circuit |
Aug. 12, 2008 |
| 7408407 |
Low noise variable gain amplifier |
Aug. 5, 2008 |
| 7395039 |
Transmitter |
Jul. 1, 2008 |
| 7391829 |
Apparatus, system and method for receiver equalization |
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 |
| 7386280 |
Gain insensitive high-pass VGA |
Jun. 10, 2008 |
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