| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 06/28/2000 | EP1014569A1 Catv tuner apparatus |
| 06/28/2000 | EP1014568A2 Method and device for detecting a receive signal with noise |
| 06/27/2000 | US6081701 Gain controller |
| 06/27/2000 | US6081603 Method and apparatus for automatic gain control using a linear limiter circuit with voltage controlled resistors as a variable element |
| 06/27/2000 | US6081565 Amplitude based coarse automatic gain control circuit |
| 06/27/2000 | US6081564 Apparatus and methods for tracking power level of received signal in code division multiple access communication system |
| 06/27/2000 | US6081558 Apparatus and method for low power operation with high sensitivity in a communications receiver |
| 06/27/2000 | US6081266 Interactive control of audio outputs on a display screen |
| 06/27/2000 | US6081161 Amplifier with dynamatically adaptable supply voltage |
| 06/27/2000 | US6081158 Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system |
| 06/27/2000 | US6081150 Voltage control type control apparatus capable of achieving correct control characteristic without increasing interface line number |
| 06/22/2000 | WO2000036876A1 Method for producing a constant sound pressure level in hearing aids and corresponding hearing aid |
| 06/21/2000 | EP1011195A2 Variable attenuator system for controlling level of received signal in VSAT |
| 06/21/2000 | EP1010241A1 Squelch apparatus, and associated method, for a multi-branch receiver |
| 06/21/2000 | CN1257354A Method and equipment for driving receiver |
| 06/20/2000 | US6078797 Method of controlling received signal level |
| 06/20/2000 | US6078796 Method and apparatus for receiving a wideband signal using multiple automatic gain controllers |
| 06/20/2000 | US6078670 Method and arrangement for reproducing audio signals |
| 06/20/2000 | US6078614 Data processing apparatus and methods |
| 06/20/2000 | US6078222 Controller-based radio frequency amplifier module and method |
| 06/20/2000 | US6078218 Negative amplifier circuit |
| 06/15/2000 | WO2000035247A1 Loudspeaker system with feedback control for improved bandwidth and distortion reduction |
| 06/15/2000 | WO2000035080A1 Amplitude modulation to phase modulation cancellation method in an rf amplifier |
| 06/15/2000 | DE19857303A1 Verfahren zum Ansteuern einer Empfangsstufe A method for driving a receiver stage |
| 06/14/2000 | CN1256808A Device for generating AC amplitude-dependent indicator |
| 06/14/2000 | CN1256604A Control of power amplifier carried out by delay waveform for communication system |
| 06/14/2000 | CN1256526A Variable attenuator for controlling level of receiving signal in very small calide antenna terminal |
| 06/13/2000 | US6075978 Automatic gain control system and method of automatic gain control |
| 06/13/2000 | US6075414 High frequency amplifier having a variable attenuator connected to the base of an amplifier FET |
| 06/13/2000 | CA2152811C Power detector with matching impedance for amplifier |
| 06/07/2000 | EP1006666A1 Method for noise reduction in the reception of RF FM signals |
| 06/07/2000 | EP1006650A2 BTL amplifier apparatus |
| 06/07/2000 | EP1005719A1 Modular transceiver system and identification of modules therein |
| 06/06/2000 | US6072998 Radio receiver for receiving a modulated digital signal |
| 06/06/2000 | US6072883 Circuit for automatically adjusting input sensitivity of audio signal in monitor |
| 06/06/2000 | US6072367 Electronic balance adjusting circuit |
| 06/06/2000 | US6072366 Receiver capable of outputting a high quality signal without regard to an input signal level |
| 06/02/2000 | WO2000031867A1 Automatic gain control for slotted mode operation |
| 05/31/2000 | CN1254983A Transistor circuit with direct couple stage |
| 05/31/2000 | CN1254981A Stable power amplifier and transceiver terminal with it |
| 05/30/2000 | US6070088 Mobile telephone set with automatic sound level control |
| 05/30/2000 | US6070063 Transmitting apparatus and method of adjusting gain of signal to be transmitted, and receiving apparatus and method of adjusting gain of received signal |
| 05/30/2000 | US6070062 Mobile radio wave receiver with adaptive automatic gain control |
| 05/30/2000 | US6069960 Connector device for information-handling apparatus and connector device for stereophonic audio/video apparatus |
| 05/30/2000 | US6069528 Automatic microwave gain control device |
| 05/30/2000 | US6068489 Karaoke amplifier with variably settable range of parameter to control audio signal |
| 05/25/2000 | WO2000030260A1 Method and apparatus for automatic gain control |
| 05/25/2000 | WO2000030250A1 Circuit and method for linearizing amplitude modulation in a power amplifier |
| 05/25/2000 | WO2000030245A1 Circuit and method for i/q modulation with independent, high efficiency amplitude modulation |
| 05/25/2000 | CA2351685A1 Circuit and method for i/q modulation with independent, high efficiency amplitude modulation |
| 05/24/2000 | EP1003284A2 AGC circuit |
| 05/24/2000 | EP1003283A2 Audio signal processing device |
| 05/24/2000 | EP1003282A2 Integrated circuit for processing audio signal |
| 05/24/2000 | CN1254461A Power control of RF signals with booster module |
| 05/24/2000 | CN1254219A RF power amplifier control system |
| 05/23/2000 | US6066983 PCS multi-carrier linear power amplifier |
| 05/23/2000 | CA2082998C Rf receiver agc incorporating time domain equalizer circuitry |
| 05/18/2000 | WO2000028784A1 Method for in-situ measuring and in-situ correcting or adjusting a signal process in a hearing aid with a reference signal processor |
| 05/18/2000 | WO2000008870A3 Apparatus and method of linearizing a power amplifier in a mobile radio communication system |
| 05/18/2000 | DE19851998A1 Schaltungsanordnung zum Erzeugen eines Ausgangssignals A circuit arrangement for generating an output signal |
| 05/17/2000 | EP1001545A1 Radio transmitter and radio communication method |
| 05/17/2000 | EP1001527A2 Circuit for generating an output signal |
| 05/17/2000 | CN1052604C Audio amplifier with transient tracking power supply |
| 05/17/2000 | CN1052591C AGC circuit for burst signal |
| 05/16/2000 | US6064870 Interference detection circuit having amplitude frequency domain defined discrimination |
| 05/16/2000 | US6064655 Method and apparatus for temperature compensation in a time division multiplex receiver |
| 05/16/2000 | US6064265 Gain control circuit for low-noise amplifier |
| 05/16/2000 | CA2092790C Signal receiver gain control device |
| 05/11/2000 | WO2000026680A1 Apparatus for power management of electrical systems |
| 05/11/2000 | WO2000019603B1 Apparatus and method for improving power control loop linearity |
| 05/10/2000 | EP0999650A2 Broadcast receiver for RDS and method of influencing the sound characteristics of the received audio signal in a broadcast receiver |
| 05/10/2000 | EP0999649A2 Method and arrangement for linearizing a radio receiver |
| 05/10/2000 | EP0998783A1 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal |
| 05/10/2000 | EP0686324B1 Receiver having an adjustable bandwidth filter |
| 05/10/2000 | CN1252905A Battery life extending technique for mobile wireless applications |
| 05/09/2000 | US6061458 Audio mixing console |
| 05/09/2000 | US6060950 Control of a variable gain amplifier with a delta sigma modulator D/A converter |
| 05/04/2000 | WO2000025445A1 Method and apparatus for calibration of a wireless transmitter |
| 05/04/2000 | WO2000025422A1 Fixed gain operational amplifiers |
| 05/04/2000 | DE19950714A1 Circuit arrangement for combining bias with signals, has variable selectable gain with gain factor between null and unity, that varies in proportion to differential input control voltage |
| 05/03/2000 | EP0998040A2 Optical receiver module, phase-locked loop circuit, voltage-controlled oscillator and frequency response controllable amplifier |
| 05/03/2000 | EP0998032A2 Amplification device for RF signal |
| 05/03/2000 | CN1252185A Receiver IF system with active filters |
| 05/03/2000 | CN1252184A Communication system, device and method |
| 05/02/2000 | US6057951 Optical receiving circuit |
| 05/02/2000 | US6057735 Amplifier for continuous high gain, narrowband signal amplification |
| 05/02/2000 | US6057732 Transmission power control circuit and method for CDMA system |
| 05/02/2000 | CA2178198C Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator |
| 04/27/2000 | WO2000024121A1 Data transfer in fixed-site radio transceiver station with power supply current modulation |
| 04/27/2000 | DE19848491A1 Radio receiver with audio data system has control unit to allocate sound characteristic according to transferred program type identification adjusted in receiving section |
| 04/27/2000 | DE19844855A1 Operating method for circuit for receiving ultrasonic signals involves detecting noise pulses, regulating gain of amplifier so that only useful pulse appears at circuit output |
| 04/26/2000 | EP0995303A2 Method and apparatus for controlling a telephone ring signal |
| 04/25/2000 | US6055421 Carrier squelch method and apparatus |
| 04/25/2000 | US6055418 Computer program product configured to control modular transmission system components |
| 04/25/2000 | CA2124880C Current sense circuit apparatus for power amplifier control |
| 04/20/2000 | DE19945665A1 Receiver for determining length and quality of cable in digital data transmission system, has cable processor which calculates cable length based on amplification factor of variable amplifier |
| 04/20/2000 | DE19908908A1 Setting loudness of audio/video systems in vehicle involves reducing loudness or muting when reversing detected by use of reverse gear |
| 04/20/2000 | DE19847653A1 Einrichtung zur Unterdrückung des Empfangs von fahrzeugemittierter Störstrahlung Means for suppressing the reception of fahrzeugemittierter interference |
| 04/19/2000 | EP0994562A2 Device for suppression of radio interference caused by vehicles |
| 04/19/2000 | CN1250976A Power amplifier having monitoring and circuit protection |