| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 02/09/2000 | EP0978971A1 QPSK modulation signal receiving unit |
| 02/09/2000 | EP0978163A1 Battery life extending technique for mobile wireless applications |
| 02/09/2000 | CN1244313A Method and apparatus for automatic gain control in digital receiver |
| 02/09/2000 | CN1244066A Power amplifier and control circuit thereof |
| 02/08/2000 | US6023612 Modular transmission system and method |
| 02/08/2000 | US6023363 Optical transmission apparatus |
| 02/03/2000 | WO2000005823A1 Network amplifier monitoring circuit |
| 02/02/2000 | EP0977387A2 Radio broadcasting receiver comprising an automatic audio gain control system for equalising sound output levels for broadcast transmissions having different modulation levels |
| 02/02/2000 | EP0977358A2 An integrator circuit using an amplifier |
| 02/02/2000 | EP0977354A1 Amplifier for radio transmission |
| 02/02/2000 | EP0977301A1 Coupler and mobile phone |
| 02/02/2000 | EP0976196A2 A device for generating an ac amplitude-dependent indicator |
| 02/02/2000 | CN1243615A Method and apparatus for controlling signal amplitude level |
| 02/02/2000 | CN1243361A Method for improving signal needed in radio receiving unit |
| 02/02/2000 | CN1049082C Power detector with matching impedance for radio-frequency signal amplifier |
| 02/01/2000 | US6021143 Dynamic control for laser diode drivers |
| 02/01/2000 | US6020787 Method and apparatus for amplifying a signal |
| 02/01/2000 | US6020785 Fixed gain operational amplifiers |
| 02/01/2000 | CA2190787C A gain compression amplifier providing a linear compression function |
| 02/01/2000 | CA2177266C Voice enhancement system and method |
| 01/29/2000 | CA2278973A1 A fully integrated long time constant integrator circuit |
| 01/27/2000 | WO2000004636A1 Device and method for influencing an audio signal according to ambient noise |
| 01/27/2000 | DE19832472A1 Device and method for influencing an audio signal according to ambient noise amplifies or dampens audio signal frequencies selectively by mixing signals to suit ambient noise. |
| 01/26/2000 | EP0656165B1 Using d-c feedback with on-chip filtering to balance i-f drive to second detector in monolithic ic |
| 01/26/2000 | CN1242886A Squelch apparatus, and associated method, for a multi-brach receiver |
| 01/25/2000 | US6018554 Automatic gain control circuit and method for full gain restart |
| 01/20/2000 | WO2000003474A2 Converter circuit and variable gain amplifier with temperature compensation |
| 01/19/2000 | EP0973307A2 Distortion compensation system |
| 01/19/2000 | EP0973276A2 Gain equalizer and optical amplifying transmission line |
| 01/19/2000 | EP0973269A2 Audio signal noise reduction system |
| 01/19/2000 | EP0972360A2 Power control of rf signals with booster module |
| 01/19/2000 | EP0972347A2 Serial digital data communications receiver with automatic cable equalizer, agc system, and dc restorer |
| 01/19/2000 | EP0972340A1 Automatic volume control in an audio-signal reproduction facility, and device required |
| 01/19/2000 | EP0972339A1 Power amplication system with intelligent control of amplifier modules |
| 01/19/2000 | CN1241881A Transmitter |
| 01/18/2000 | US6016352 Low distortion audio muting circuit |
| 01/13/2000 | WO2000002416A1 Sound reproducing device |
| 01/13/2000 | WO2000002322A1 Power controller |
| 01/13/2000 | WO2000002310A1 Improved exponential current generator and method |
| 01/13/2000 | WO2000002309A2 A current steering variable gain amplifier with linearizer |
| 01/13/2000 | DE19829500A1 Verfahren zur Verbesserung des Nutzsignals in einer Funkempfangseinheit A method for improving the wanted signal in a radio receiving unit |
| 01/11/2000 | US6014553 Automatic gain control circuit for satellite communication transmitters |
| 01/11/2000 | US6014058 High-speed AGC circuit |
| 01/11/2000 | CA2094133C Linear gain control amplifier |
| 01/06/2000 | WO2000001094A1 Data transmission in a tdma system |
| 01/06/2000 | WO2000001066A2 Low voltage, beta immune variable gain amplifier with high supply voltage rejection |
| 01/06/2000 | WO2000001063A2 A variable gain amplifier using impedance network |
| 01/05/2000 | EP0969601A2 Method for improving the wanted signal in a radio receiving unit |
| 01/05/2000 | EP0969596A2 Variable attenuation circuit |
| 01/05/2000 | EP0969595A2 Method and apparatus for controlling signal level in digital receiver |
| 01/05/2000 | CN1240316A Portable terminal equipment for controlling receiving/transmitting phonetic electric level |
| 01/04/2000 | US6011980 Wireless telecommunication equipment |
| 12/29/1999 | WO1999067893A1 Dual band cellular phone with two power amplifiers and power control circuit therefor |
| 12/29/1999 | WO1999067892A1 Dual band cellular phone with two power amplifiers and a current detector for monitoring the consumed power |
| 12/29/1999 | EP0697150B1 Adjustable resistance device with control circuit |
| 12/28/1999 | US6009181 Method of controlling sound in computer monitor with sound processing functions |
| 12/28/1999 | US6008698 Amplifier with dynamically adaptable supply current |
| 12/28/1999 | US6008697 Circuit arrangement comprising a power amplifier stage |
| 12/28/1999 | CA2189712C Variable gain amplifying device |
| 12/28/1999 | CA2188729C Bias controller for decreasing bias current supplied to amplifier without sacrifice of distortion |
| 12/28/1999 | CA2129854C Parallel untuned video if amplifiers supplied signals from tv 1st detector via respective input filters |
| 12/28/1999 | CA2120233C Using d-c feedback with on-chip filtering to balance i-f drive to second detector in monolithic ic |
| 12/23/1999 | WO1999066751A1 Gsm time squelch |
| 12/23/1999 | DE19827197A1 Verfahren und Einrichtung zur Beeinflussung der Lautstärke von Audiowiedergabegeräten in Kraftfahrzeugen Method and apparatus for influencing the volume of audio playback devices in motor vehicles |
| 12/22/1999 | EP0966100A2 Method and means for influencing the volume of audio reproducing devices in motor vehicles |
| 12/22/1999 | EP0966098A1 A power sharing amplifier with transform combining networks |
| 12/22/1999 | EP0965167A1 Receiver if system with active filters |
| 12/22/1999 | CN1239610A Method and device for increasing anti-interference of receiver |
| 12/21/1999 | US6005953 Circuit arrangement for improving the signal-to-noise ratio |
| 12/16/1999 | WO1999046855A3 Radio receiver and gain controlled amplifier therefor |
| 12/15/1999 | EP0964539A2 Receiver capable of outputting a high quality signal without regard to an input signal level |
| 12/15/1999 | EP0734615B1 Transmitters for radio telephone base stations |
| 12/15/1999 | CN1238862A Multiple preamplifier circuit for TV. tuner |
| 12/15/1999 | CN1238652A Mobile radio communication equipment |
| 12/14/1999 | US6002925 Radio frequency transceiver and subassemblies thereof |
| 12/14/1999 | US6002922 Method and apparatus for detecting communication signals |
| 12/14/1999 | US6002723 Digital receiver having programmable complex threshold detectors and threshold interpreters |
| 12/14/1999 | US6002300 Control system for the linearization of an amplifier circuit |
| 12/09/1999 | WO1999063676A1 Merged variable gain mixers |
| 12/09/1999 | WO1999063674A1 Radio transmitter and radio communication method |
| 12/09/1999 | WO1999063661A1 Control of a variable gain amplifier with a delta sigma modulator d/a converter |
| 12/09/1999 | WO1999063660A1 Pre-recorded sigma delta values for power amplifier control |
| 12/09/1999 | WO1999063659A1 A gain control circuit and method for providing gain control of a variable amplifier using a pilot signal |
| 12/09/1999 | WO1999063657A1 Linear quad variable gain amplifier and method for implementing same |
| 12/08/1999 | EP0963039A1 Radio-frequency device comprising a power amplifier circuit with a stabilising circuit, and a transmit-receive mobile terminal incorporating such a device |
| 12/08/1999 | EP0963036A2 Power amplifying circuit and automatic power control method |
| 12/08/1999 | CN2353093Y Multi-channel combination type quick and digital control AGC device for multi-channel receiver |
| 12/08/1999 | CN1237867A Radio apparatus and method of controlling radio apparatus |
| 12/08/1999 | CN1237834A Radio equipment and transmit power controlling method for the same |
| 12/08/1999 | CN1047269C Circuit arrangement for automatic gain control |
| 12/07/1999 | US5999578 Automatic gain control circuit of radio receiver |
| 12/07/1999 | US5999559 Radio receiver for spread spectrum signal |
| 12/07/1999 | US5999059 Wideband CATV amplifier with microprocessor-based slope and gain control |
| 12/07/1999 | US5999057 Arrangement and method relating to signal power amplification |
| 12/07/1999 | US5999056 Variable gain amplifier using impedance network |
| 12/07/1999 | US5999053 Current steering variable gain amplifier with linearizer |
| 12/07/1999 | US5999052 High speed, fine-resolution gain programmable amplifier |
| 12/07/1999 | US5999051 Variable gain amplification circuit having a circuit for controlling a bias current |
| 12/07/1999 | US5999050 Differential amplifier, an integrated circuit, and a telephone |
| 12/01/1999 | EP0961402A2 A transmitter |