| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 10/10/2002 | DE10117056A1 Lineare Amplitudenmodulation in einer Polar Loop Linear amplitude modulation in a Polar Loop |
| 10/10/2002 | DE10117055A1 Verfahren zum Leistungsabgleich von HF-Leistungsverstärkern Method for power adjustment of RF power amplifiers |
| 10/10/2002 | CA2442515A1 Automatic gain control method for highly integrated communication receiver |
| 10/10/2002 | CA2442332A1 Variable gain low-noise amplifier for a wireless terminal |
| 10/09/2002 | EP0843951B1 Circuit, audio system and method for processing signals |
| 10/09/2002 | CN1373933A Method for reducing reception interferences, especially multiway reception interferences, for receiving radio signal and circuit for carrying out this method |
| 10/09/2002 | CN1373929A 放大器 Amplifier |
| 10/09/2002 | CN1373626A Offset control circuit |
| 10/09/2002 | CN1373605A HF signal switching circuit for suppressing HF signal distortion |
| 10/09/2002 | CN1092426C 卫星广播调谐器 Satellite radio tuners |
| 10/08/2002 | US6463269 Power amplification system with intelligent control of amplifier modules |
| 10/08/2002 | US6463267 High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stages |
| 10/08/2002 | US6463264 Wireless communication apparatus and transmission power control method in wireless communication apparatus |
| 10/08/2002 | US6462626 Quadrature output oscillator device |
| 10/08/2002 | US6462621 Operational amplifier that is configurable as a progammable gain amplifier of a general purpose amplifier |
| 10/08/2002 | US6462327 Analog optical receiver and variable gain transimpedance amplifier useful therewith |
| 10/03/2002 | WO2002078181A1 High frequency amplifier |
| 10/03/2002 | WO2001084704A3 Rf power amplifier having high power-added efficiency |
| 10/03/2002 | US20020142745 Automatic gain control method for highly integrated communication receiver |
| 10/03/2002 | US20020141604 Volume adjusting apparatus, method and computer program product |
| 10/03/2002 | US20020141603 Power-off noise suppression circuit and associated methods for an audio amplifier device |
| 10/03/2002 | US20020141517 Automatic gain control method, automatic gain control processor, and demodulator |
| 10/03/2002 | US20020140511 Current sense automatic level control system with pre-bias |
| 10/03/2002 | US20020140510 Amplifier device with gain switching, for a cellular mobile telephone in particular |
| 10/03/2002 | US20020140506 Wide dynamic range transimpedance amplifier |
| 10/03/2002 | US20020140502 RF variable gain amplifying device |
| 10/02/2002 | EP1246357A2 Amplifying device with switched amplification in particular for a mobile cell telephone |
| 10/02/2002 | EP0793896B1 Audio signal reproduction apparatus |
| 10/02/2002 | CN1092001C On-chip IC for amplifying IF signal and detecting ion receiver |
| 10/01/2002 | US6459727 Very high speed digital subscriber line receiver, and programmable gain amplifier and narrow-band noise remover thereof |
| 09/26/2002 | WO2002076057A1 Dynamically varying linearity system for an rf front-end of a communication device |
| 09/26/2002 | WO2002075960A1 System and method for uplink power control |
| 09/26/2002 | WO2002056558A3 Active filter circuit with dynamically modifiable internal gain |
| 09/26/2002 | US20020137488 Direct conversion receiver for performing phase correction upon change of the gain of low-noise amplifier |
| 09/26/2002 | US20020137481 Power controller |
| 09/26/2002 | US20020136417 Audio converting device and converting method thereof |
| 09/26/2002 | US20020135340 Constant voltage supply circuit, substrate of contant voltage supply circuit, and method of applying constant voltage |
| 09/26/2002 | US20020134918 Changeable gain amplifier, solid-state imaging device and optical signal reading method |
| 09/25/2002 | CN1371547A Adaptive RF amplifier prelimiter |
| 09/25/2002 | CN1371546A Driving circuits for switch mode RF power amplifiers |
| 09/25/2002 | CN1371545A High-efficiency modulating RF amplifier |
| 09/25/2002 | CN1371214A Receiver with automatic gain control |
| 09/24/2002 | US6456833 Method for noise reduction in the reception of RF FM signals |
| 09/24/2002 | US6456718 Audio system |
| 09/19/2002 | US20020132587 Cellular telephone |
| 09/19/2002 | US20020131607 Apparatus and method for remotely and automatically controlling the volume of audio signals produced by a remotely controlled audio device |
| 09/19/2002 | US20020131533 Automatic gain control method and automatic gain control circuit |
| 09/19/2002 | US20020131521 Radio frequency transmitter and methods thereof |
| 09/19/2002 | US20020131396 Data transmission in a TDMA system |
| 09/19/2002 | US20020130719 Variable-gain amplifier circuit |
| 09/19/2002 | US20020130718 Variable gain circuit |
| 09/18/2002 | EP1241782A2 System and method of dual mode automatic gain control for a digital radio receiver |
| 09/18/2002 | CN1370349A Method and device for operating radio frequency power amplifier |
| 09/18/2002 | CN1369963A DC drift eliminator for grain-variable amplifier |
| 09/18/2002 | CN1091328C Comprehensive diversity circuit for radio communication |
| 09/17/2002 | US6452722 Optical amplifier with automatic level control and automatic gain control |
| 09/17/2002 | US6452452 Negative feedback gain control for common electrode transistor |
| 09/17/2002 | US6452449 Gain variable amplifier |
| 09/12/2002 | WO2002071613A1 Feedback loop with slew rate limiter |
| 09/12/2002 | WO2002071604A2 Receiver with agc controlled resonance amplifier |
| 09/12/2002 | WO2002071603A1 Method for volume control of an audio reproduction and device for carrying out said method |
| 09/12/2002 | US20020127990 Method, apparatus and system for controlling the amplification of a high-frequency signal |
| 09/12/2002 | US20020127981 Transmission power detecting apparatus and transmission apparatus |
| 09/12/2002 | US20020127980 Automatic transmit power control loop |
| 09/12/2002 | US20020125945 Method and apparatus for protecting radio frequency power amplifiers |
| 09/11/2002 | EP1239603A1 Power amplifier driver and method of using it |
| 09/11/2002 | EP1239587A2 The determination of a reference value for automatic gain control of a receiver communicating with a packet switched communication network |
| 09/11/2002 | EP1239586A1 High-frequency-signal switching circuit suppressing high-frequency-signal distortion |
| 09/11/2002 | EP1238457A1 Arrangement for controlling the output power of an hf transmitter |
| 09/11/2002 | CN1368791A Turn-off noise suppressing circuit and method for audio amplifier |
| 09/11/2002 | CN1090847C Method and apparats for increasing receiver immunity to interference |
| 09/10/2002 | US6449467 Power control of RF signals with booster module |
| 09/10/2002 | US6448856 Electronic volume circuit |
| 09/06/2002 | WO2002069489A2 An automatic gain control circuit with high linearity and monotonically correlated offset voltage |
| 09/06/2002 | WO2002069485A2 Gain compensation circuit using a variable offset voltage |
| 09/06/2002 | WO2001010013A9 High-efficiency modulating rf amplifier |
| 09/05/2002 | US20020123315 Radio communication terminal and gain control circuit for the same |
| 09/05/2002 | US20020122512 Spread spectrum adaptive power control using a base station |
| 09/05/2002 | US20020122460 Spread spectrum adaptive power control |
| 09/05/2002 | US20020122233 Photoelectric conversion method, light receiving circuit, and optical communication system |
| 09/05/2002 | DE10107385A1 Vorrichtung zum geräuschabhängigen Einstellen der Lautstärken Apparatus for the noise-dependent adjustment of the volume |
| 09/04/2002 | EP1237297A2 Radio communication terminal & gain control circuit for the same |
| 09/04/2002 | EP1236284A1 Signal level adjustment arrangement |
| 09/04/2002 | CN1367951A 改进的二极管检波器 Improved diode detector |
| 09/03/2002 | US6445909 Radio receiver |
| 08/29/2002 | WO2002067519A1 Quadrature oscillator with feedback phase mismatch correction |
| 08/29/2002 | WO2002067445A1 Cartesian loop systems with digital processing |
| 08/29/2002 | WO2002067421A1 Automatic gain control |
| 08/29/2002 | WO2002067420A2 Direct conversion receiver architecture |
| 08/29/2002 | WO2002067419A2 Power controller for a mobile terminal |
| 08/29/2002 | WO2002067418A2 Device for the noise-dependent adjustment of sound volumes |
| 08/29/2002 | WO2002032018A3 Time slot structure and automatic gain control method for a wireless communication system |
| 08/29/2002 | US20020120377 Vehicle audio interface adapter |
| 08/29/2002 | US20020119762 Semiconductor integrated circuit and radio communication apparatus using same |
| 08/29/2002 | US20020118065 Variable gain amplifier |
| 08/29/2002 | CA2723046A1 Direct conversion receiver architecture |
| 08/29/2002 | CA2439018A1 Cartesian loop systems with digital processing |
| 08/27/2002 | US6442443 Information processing apparatus and power saving apparatus |
| 08/27/2002 | US6442380 Automatic gain control in a zero intermediate frequency radio device |
| 08/27/2002 | US6442379 Radio apparatus and method having a d.c. component signal superposed on a transmission-signal |