| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 02/06/2003 | US20030025623 Dynamic range on demand receiver and method of varying same |
| 02/06/2003 | US20030025402 Analog control mechanism |
| 02/05/2003 | EP1281936A2 Analog control mechanism |
| 02/05/2003 | EP1036425B1 Vhf/uhf self-tuning planar antenna system |
| 02/04/2003 | US6516185 Automatic gain control and offset correction |
| 02/04/2003 | US6516067 Anti pop for power off |
| 02/04/2003 | US6516026 Data transmission equipment |
| 01/30/2003 | WO2003009481A1 Transmission power control circuit |
| 01/30/2003 | WO2003009129A1 Digital voltage amplifier with logarithmic and exponential conversion |
| 01/30/2003 | WO2002029985A3 A calibrated dc compensation system for a wireless communication device configured in a zero intermediate frequency architecture |
| 01/30/2003 | US20030023433 Audio signal processing for speech communication |
| 01/30/2003 | US20030022687 Radio communication apparatus |
| 01/30/2003 | US20030022642 Novel radio frequency signal attenuation circuitry and gain controlling unit |
| 01/30/2003 | US20030022626 Method for repeating isofrequency signals and isofrequency signal repeater |
| 01/30/2003 | US20030020558 Dynamic range extension for an electronic circuit |
| 01/30/2003 | US20030020540 Amplifier bias adjustment circuit to maintain high-output third-order intermodulation distortion performance |
| 01/30/2003 | US20030020515 Compact transmitter detection circuit with a wide dynamic range |
| 01/30/2003 | CA2453168A1 Digital voltage amplifier with logarithmic and exponential conversion |
| 01/29/2003 | EP1280133A2 Method for storing score data and sound source control device for reading out score data |
| 01/29/2003 | CN1394400A Method and system for transmitting signal via non-linear transmission unit |
| 01/28/2003 | US6512416 Extended range variable gain amplifier |
| 01/28/2003 | CA2163883C Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver |
| 01/23/2003 | WO2002009277A3 Negative feedback gain control for common electrode transistor |
| 01/23/2003 | US20030017840 Cellular telephone |
| 01/23/2003 | US20030017815 Analog base band unit for a RF receiver and method for using the same |
| 01/23/2003 | US20030016836 Mute switch |
| 01/23/2003 | US20030016085 Preamplifier |
| 01/23/2003 | US20030016082 High frequency power amplifier circuit device |
| 01/22/2003 | EP1277273A1 Method and transmitting circuit for generating a transmission signal |
| 01/21/2003 | US6510309 Intermediate frequency amplifier circuit for use in receive and transmit modes |
| 01/21/2003 | US6510188 All digital automatic gain control circuit |
| 01/21/2003 | US6509798 Variable gain amplifier |
| 01/16/2003 | WO2003005601A2 Device and method for maintaining the transmitting power of a radio at a constant level |
| 01/16/2003 | WO2003005600A2 Optimisation of the operating point of transmitter power amplifiers in mobile stations |
| 01/16/2003 | WO2003005575A2 Power-controlled transmitter arrangement |
| 01/16/2003 | WO2003005574A2 A communication system and arrangements comprising such a communication system |
| 01/16/2003 | WO2003005564A2 Method for adjusting the amplification of a high frequency signal |
| 01/16/2003 | WO2002045259A3 Signal level control |
| 01/16/2003 | US20030013427 Wireless transmitter and device for mobile station |
| 01/16/2003 | US20030013422 Antenna circuitry |
| 01/16/2003 | US20030011880 Automatic gain control device of optical fiber amplifier |
| 01/16/2003 | US20030011464 Apparatus and method for a two terminal implementation of rheostat and potentiometer modes in an integrated circuit |
| 01/16/2003 | US20030011423 Digital voltage gain amplifier for zero IF architecture |
| 01/15/2003 | EP1276243A1 Transmitter for a mobile telecommunication device |
| 01/15/2003 | EP1276234A1 Power control for non-constant envelope modulation |
| 01/15/2003 | EP1276233A2 Apparatus and method for controlling transmission power in a mobile communication system |
| 01/15/2003 | EP1276232A1 Transmitter power amplifier control |
| 01/15/2003 | EP1276231A2 Variable gain amplifier |
| 01/15/2003 | EP1275206A1 Method and arrangement for minimizing power dissipation in a line driver |
| 01/15/2003 | EP1275205A2 Dual-mode communications transmitter |
| 01/15/2003 | EP1275200A2 Method and apparatus for dynamic sound optimization |
| 01/14/2003 | US6507732 Dynamic path gain compensation for radios in wireless communication systems |
| 01/14/2003 | US6507519 Buffer circuit |
| 01/14/2003 | US6507243 Controller-based radio frequency amplifier module and method |
| 01/09/2003 | WO2002043253A3 A radio receiver |
| 01/09/2003 | WO2002013380A3 Methods and apparatus for muting the output of amplifier circuits |
| 01/09/2003 | WO2002003548A3 Extended range variable gain amplifier |
| 01/09/2003 | WO2002001713A3 Dynamic range extension with gain correction |
| 01/09/2003 | WO2001067591A9 Digital-to-analog interface circuit having adjustable time response |
| 01/09/2003 | US20030006843 Voltage amplifying circuit |
| 01/09/2003 | US20030006839 Extended range power detector and amplifier and method |
| 01/09/2003 | US20030006365 Amplifier circuit for optical disk drive |
| 01/08/2003 | EP1273106A2 Method and transmission circuit for producing a transmission signal |
| 01/08/2003 | CN1390383A Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone |
| 01/08/2003 | CN1389986A Transmitting/receiving apparatus of regulating gain of transmitting/receiving signal, and method thereof |
| 01/08/2003 | CN1389980A 可变增益放大器 Variable gain amplifier |
| 01/08/2003 | CN1098568C Radio receiver |
| 01/08/2003 | CN1098566C Mobile communication transmitter capable of selectively activating amplifiers |
| 01/08/2003 | CN1098559C Method for automatically regualting audio response for improved intelligibility |
| 01/08/2003 | CN1098558C AGC circuit arrangement for a tuner |
| 01/07/2003 | US6505038 Method of driving a receiver stage and respective apparatus |
| 01/07/2003 | US6504429 Wide dynamic range transimpedance amplifier |
| 01/07/2003 | US6503819 Fabrication process of a semiconductor integrated circuit device |
| 01/03/2003 | WO2003001714A1 Automatic gain control circuit and method thereof, and demodulation apparatus using the same |
| 01/03/2003 | WO2003001701A2 System and method for power control calibration in a wireless communication device |
| 01/03/2003 | WO2003001689A2 Wireless signal amplification system and a television signal decoder comprising one such system |
| 01/03/2003 | WO2003001221A1 Distortion detector |
| 01/03/2003 | CA2451320A1 System and method for power control calibration in a wireless communication device |
| 01/02/2003 | US20030004732 Method, apparatus, and program for envelope generation, audio compression, and audio expansion |
| 01/02/2003 | US20030004593 Automation of signal processing apparatus |
| 01/02/2003 | US20030003940 Optimization of the operating point of power amplifiers in mobile stations |
| 01/02/2003 | US20030003885 Successive log video pad power detector and method |
| 01/02/2003 | US20030002452 System and method for power control calibration and a wireless communication device |
| 01/02/2003 | US20030001676 High frequency power amplifier circuit |
| 01/02/2003 | US20030001627 Differential voltage magnitude comparator |
| 01/02/2003 | EP1271771A1 Method and apparatus for removing noise spikes |
| 01/02/2003 | EP1271770A2 Analog base band unit for RF receiver and method for using the same |
| 01/02/2003 | EP1271768A1 Analog base band unit for a RF receiver |
| 01/02/2003 | EP1269655A1 Dynamic bias for rf power amplifiers |
| 01/02/2003 | EP1269626A1 Method and arrangement for gain control |
| 12/31/2002 | US6501792 Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer |
| 12/31/2002 | US6501583 Optical receiver module optical transmitter module phase-locked loop circuit voltage-controlled oscillator and frequency response controllable amplifier |
| 12/31/2002 | CA2298926C Temperature compensated power detector |
| 12/27/2002 | WO2002103924A2 Power control for non-constant envelope modulation |
| 12/27/2002 | WO2002103375A2 Integrated power detector with temperature compensation |
| 12/26/2002 | US20020197957 Communications system and method, wireless communications system, wireless microphone and wireless receiver |
| 12/26/2002 | US20020196081 Collective automatic gain control |
| 12/26/2002 | US20020196080 Gain variable amplifier |
| 12/25/2002 | CN1097356C Frequency hopping communications receivers and automatic gain control method used therein |
| 12/24/2002 | US6498929 Receiver having DC offset decreasing function and communication system using the same |