| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 08/16/2001 | US20010013811 Grounded emitter amplifier and a radio communication device using the same |
| 08/16/2001 | US20010013808 Mute circuit and digital audio amplifier circuit |
| 08/16/2001 | EP1123579A1 Data transfer in fixed-site radio transceiver station with power supply current modulation |
| 08/16/2001 | DE10006531A1 Verfahren und Schaltungsanordnung zum Regeln der Sendeleistung eines Senders Method and circuit arrangement for controlling the transmission power of a transmitter |
| 08/16/2001 | CA2337176A1 Process for adjusting the sound level of a digital sound recording |
| 08/15/2001 | CN1308422A Radio communiation equipment and its emitted power controlling method |
| 08/15/2001 | CN1069796C Gain controllable amplifier, receiver comprising gain controllable amplifier and method of controlling signal amplitudes |
| 08/14/2001 | US6275684 ALC circuit for a transmitter device |
| 08/14/2001 | US6275678 Method and apparatus for determining an operating point of a non-linear amplifier of a communication channel |
| 08/14/2001 | US6275330 Apparatus and method for controlling a wavelength-multiplex optical amplifier |
| 08/14/2001 | US6275103 Predistorter of amplifier and amplifying unit |
| 08/14/2001 | CA2257954C Power delivery system and method of controlling the power delivery system for use in a radio frequency system |
| 08/14/2001 | CA2045211C Method for regulating power in a digital mobile telephony system |
| 08/09/2001 | WO2001058064A1 Use of voice-to-remaining audio (vra) in consumer applications |
| 08/09/2001 | WO2001058021A1 Digital communication system |
| 08/09/2001 | WO2001058014A2 Measuring antenna signal strength with automatic gain control receiver |
| 08/09/2001 | WO2001058013A2 Method and circuit arrangement for controlling the output power of a power amplifier |
| 08/09/2001 | US20010012766 Wireless communication apparatus and transmission power control method thereof |
| 08/09/2001 | US20010012765 Method and arrangement for controlling transmitted power in a telecommunication system |
| 08/09/2001 | US20010011927 Electronic volume circuit |
| 08/09/2001 | DE10005440A1 Verfahren zum energiesparenden Betrieb eines Mobilfunkgerätes und Mobilfunkgerät A method for energy-saving operation of a mobile device and mobile device |
| 08/09/2001 | DE10004002A1 Verfahren zum Verdecken von Unterbrechnungen der Wiedergabe empfangener Rundfunksignale Method for concealing interruptions playback received radio signals |
| 08/09/2001 | CA2399495A1 Use of voice-to-remaining audio (vra) in consumer applications |
| 08/08/2001 | EP1122892A2 Wireless communication apparatus and transmission power control method thereof |
| 08/08/2001 | EP1122883A2 Circuit for linearizing the power control profile of a BiCMOS power amplifier |
| 08/08/2001 | EP0908006A4 Bias circuit for a power amplifier |
| 08/08/2001 | EP0831480B1 Data processing apparatus and methods |
| 08/08/2001 | EP0815641B1 Dual action automatic sound level control |
| 08/08/2001 | CN1307751A Radio terminal device |
| 08/08/2001 | CN1307750A Radio terminal unit |
| 08/08/2001 | CN1307403A Oscillating device |
| 08/08/2001 | CN1069477C Parallel untuned video IF amplifiers and TV seceiver with the same |
| 08/07/2001 | US6272336 Traffic-weighted closed loop power detection system for use with an RF power amplifier and method of operation |
| 08/07/2001 | US6272330 Radio receiver and gain controlled amplifier therefor |
| 08/07/2001 | US6272326 Distortion compensation address generator, distortion compensating circuit, and transmitter |
| 08/07/2001 | US6272323 Automatic gain control amplifier control circuit |
| 08/07/2001 | US6272227 Simultaneous two-way communication apparatus using ear microphone |
| 08/07/2001 | US6272125 Gain compensating apparatus for use with amplifying portion in code division multiple access communication system |
| 08/07/2001 | US6271726 Wideband, variable gain amplifier |
| 08/02/2001 | WO2001056191A1 Method and arrangement for controlling transmitted power in a multi-carrier system |
| 08/02/2001 | WO2001056178A2 Method for masking interruptions during playback of received radio signals |
| 08/02/2001 | WO2001056177A1 Radiotelephone receiver and method with improved dynamic range and dc offset correction |
| 08/02/2001 | WO2001056147A1 Transmission feedback system |
| 08/02/2001 | US20010010483 Radio frequency transmitting circuit |
| 08/02/2001 | DE10003963A1 Ringer volume control system for telephones measures ambient noise adjust ringer to suit |
| 08/02/2001 | DE10002523A1 Schaltungsanordnung zur Regelung der Sendeleistung eines batteriebetriebenen Funkgeräts Circuit arrangement for controlling the transmission power of a battery powered radio device |
| 08/01/2001 | EP1120942A2 Demodulator with automatic quadrature control |
| 08/01/2001 | EP1120907A1 Apparatus for amplifying signals |
| 08/01/2001 | EP1120903A1 Transmission feedback system |
| 08/01/2001 | EP1120902A2 Transmitter and mobile station |
| 08/01/2001 | EP1119906A1 Method and apparatus for preventing power amplifier saturation |
| 08/01/2001 | CN1306366A Direct conversion demodulator with automatic gain control function |
| 07/31/2001 | US6269251 Method of calculating a code value for electric power control according to temperature compensation in wireless communication terminal |
| 07/26/2001 | US20010009584 Audio mixer |
| 07/26/2001 | US20010009574 Demodulator having automatic quadrature control function |
| 07/25/2001 | EP1118140A1 Receiving device of a radio system and method for processing received radio signals |
| 07/25/2001 | CN1305270A Receiving power electrical level computing circuit and receiver using said circuit |
| 07/24/2001 | US6266545 Transferring data in a fixed-site radio transceiver station by modulating power supply current |
| 07/24/2001 | US6265942 Low power gain controlled amplifier with high dynamic range |
| 07/24/2001 | US6265940 Detector and transmitter incorporating the detector |
| 07/24/2001 | US6265939 Linear power detectors and methods for power amplifiers |
| 07/24/2001 | US6265935 Amplifier for radio transmission |
| 07/19/2001 | WO2001052430A1 Method for interference detection and cancellation in a tramsmission system |
| 07/19/2001 | WO2001052429A1 A method and apparatus for automatic gain control on a time slot by time slot basis |
| 07/19/2001 | WO2001052409A1 Soft mute circuit |
| 07/19/2001 | US20010008836 Gain control circuit, and a radio communication apparatus using the same |
| 07/18/2001 | EP1117178A2 Receiver for digital broadcasting |
| 07/17/2001 | US6263251 Automatic setting of gain in control loops |
| 07/17/2001 | US6262630 Rapidly-responding diode detector with temperature compensation |
| 07/17/2001 | US6260975 Power control apparatus having a control voltage filtering means with multiple time constants |
| 07/15/2001 | WO2001052012A1 Constant voltage supply circuit, substrate of constant voltage supply circuit, and method of applying constant voltage |
| 07/12/2001 | WO2001050632A1 Power characteristic of a radio transmitter |
| 07/12/2001 | DE10063952A1 Circuit, e.g. for transmitter of code using electromagnetic waves, regulates characteristic output parameter to essentially constant value to compensate for component tolerances |
| 07/11/2001 | EP1115266A1 Sound-reproduction device |
| 07/11/2001 | EP1115199A2 Temperature compensated diode rectifier for RF-level control |
| 07/11/2001 | CN1068481C Receiver path selection based on burst-type in time division multiple access receiver |
| 07/11/2001 | CN1068471C Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver |
| 07/10/2001 | US6259904 Fast squelch circuit and method |
| 07/05/2001 | WO2001048933A1 Receiver and gain control method |
| 07/05/2001 | WO2001048914A1 Signal amplifying circuit and optical signal receiver using the same |
| 07/05/2001 | US20010006887 Mobile station having drift-free pulsed power detection method and apparatus |
| 07/05/2001 | US20010006355 Device for controlling power in power amplifier of a portable wireless terminal |
| 07/05/2001 | DE19964024A1 Temperaturkompensierte Diodengleichrichterschaltung für einen HF-Pegelregler Temperature-compensated diode rectifier circuit for an RF level control |
| 07/04/2001 | CN1302476A Apparatus and method of linearizing power amplifier in mobile radio communication system |
| 07/03/2001 | US6256483 Method and apparatus for calibration of a wireless transmitter |
| 06/28/2001 | WO2001047106A2 Transmitter power amplifier ramping method |
| 06/28/2001 | WO2001047105A2 Automatic gain control in a zero intermediate frequency radio device |
| 06/28/2001 | US20010005160 Reference voltage generation circuit using source followers |
| 06/28/2001 | DE10059470A1 Verfahren zur Einstellung eines Schallpegels in einem Mobiltelefon Method for adjusting sound levels in a mobile phone |
| 06/27/2001 | EP1111776A1 Noise influence-reduced amplifier |
| 06/27/2001 | EP1110311A1 A muting circuit having controllable impedance means for soft muting |
| 06/27/2001 | EP1110310A1 System for improving the dynamic range of transmitter power measurement in a cellular telephone |
| 06/27/2001 | EP1110309A1 Optical amplifiers and optical transmission line |
| 06/27/2001 | EP1110308A1 Power control for non-constant envelope modulation |
| 06/27/2001 | EP1110307A1 Digital automatic gain control |
| 06/27/2001 | EP1110306A1 Methods for adjusting audio signals responsive to changes in a power supply level and related communications devices |
| 06/26/2001 | US6252969 Howling detection and prevention circuit and a loudspeaker system employing the same |
| 06/26/2001 | US6252463 High-frequency switch, adjustable high-frequency switch, and adjustable high-frequency power amplifier |
| 06/20/2001 | EP1109421A2 Digital self-adapting graphic equalizer and method |
| 06/20/2001 | EP1108285A1 Control of power ratios for in-phase and quadrature channels in a communications system |