| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 11/20/2001 | US6321073 Radiotelephone receiver and method with improved dynamic range and DC offset correction |
| 11/20/2001 | US6320913 Circuit and method for controlling transmission amplifiers |
| 11/15/2001 | US20010041547 Dynamic bias for RF power amplifiers |
| 11/15/2001 | US20010041534 Transmission system comprising at least a satellite station and a connection station, a station including a speech message correction device and a method of improving the quality of speech messages |
| 11/15/2001 | US20010040481 Radio communication apparatus and radio frequency power amplifier |
| 11/14/2001 | EP1154568A2 Electronics devices comprising an audio amplifier and methods for controlling such electronic devices |
| 11/14/2001 | EP0836766B1 Degenerated differential pair with controllable transconductance |
| 11/14/2001 | EP0676100B1 Method and apparatus for controlling a peak envelope power of a power amplifier |
| 11/14/2001 | CN1322400A System for improving dynamic range of transmitter power measurement in cellular telephone |
| 11/14/2001 | CN1322057A Automatic gain controller and method, and communication device with automatic gain control function |
| 11/13/2001 | US6317589 Radio receiver and method of operation |
| 11/13/2001 | US6316993 Analog circuitry for start-up glitch suppression |
| 11/08/2001 | WO2001084741A2 Output power control of a transmitter |
| 11/08/2001 | WO2001084704A2 Rf power amplifier having high power-added efficiency |
| 11/07/2001 | EP1152527A1 Device and method for adaption of an acoustic signal depending on the ambient noise |
| 11/07/2001 | EP1152526A1 Zero-if tuner and corresponding control method |
| 11/07/2001 | EP1151536A1 Method and arrangement for regulating the power of a transmit amplifier |
| 11/07/2001 | EP1151535A1 A device and method for controlling the amplitude of signals |
| 11/07/2001 | EP1151534A1 Method and arrangement for regulating the power of a transmit amplifier |
| 11/07/2001 | CN1321357A Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power |
| 11/07/2001 | CN1074609C Method and device for improving efficiency of amplifier |
| 11/06/2001 | US6314278 Adjusting gain in a receiver using received signal sample values |
| 11/06/2001 | US6314144 Digital wireless receiving apparatus |
| 11/06/2001 | US6313458 Gain-adjustable photoreceiver circuit with photoelectric converter and amplifier |
| 10/31/2001 | EP1149468A1 Fixed gain operational amplifiers |
| 10/31/2001 | EP1149467A1 Amplifier |
| 10/31/2001 | DE10020756A1 Device for noise-dependent adaptation of useful acoustic signal has controler for controling sound source depending on comparison of pick-up signal and its useful signal component |
| 10/31/2001 | CN1074212C Pre-amplifier |
| 10/30/2001 | US6311155 Use of voice-to-remaining audio (VRA) in consumer applications |
| 10/30/2001 | US6311049 Receiving signal strength indicator uses feed forward level detecting signal |
| 10/30/2001 | US6311047 Gain control method and circuit |
| 10/25/2001 | WO2001080436A2 Dual-mode communications transmitter |
| 10/25/2001 | WO2001080423A2 Method and apparatus for dynamic sound optimization |
| 10/25/2001 | US20010034851 Method and arrangement for minimizing power dissipation in a line driver |
| 10/25/2001 | US20010034217 System and method for selectively interconnecting amplifiers in a communications device |
| 10/25/2001 | US20010033241 Current-to-voltage converter with controllable gain, and signal processing circuit comprising such a converter |
| 10/25/2001 | US20010033199 Variable-gain circuit |
| 10/25/2001 | US20010033198 Electronic devices comprising an audio amplifier and methods for controlling such electronic devices |
| 10/24/2001 | EP1148639A1 Electronic devices comprising an audio amplifier and methods for controlling such electronic devices |
| 10/24/2001 | EP1148638A1 Receiver with audio mute switch controlled by field strength analyzer |
| 10/24/2001 | EP1148637A2 Level adjustment circuit |
| 10/24/2001 | EP1147621A1 Communication station with automatic cable loss compensation |
| 10/24/2001 | EP0812491B1 Out-of-band compensation for non-linear device |
| 10/24/2001 | CN1073762C Automatic gain control apparatus |
| 10/24/2001 | CN1073761C AGC voltage correction circuit |
| 10/23/2001 | US6308047 Radio-frequency integrated circuit for a radio-frequency wireless transmitter-receiver with reduced influence by radio-frequency power leakage |
| 10/23/2001 | US6307902 Gain imbalance compensation method and apparatus for a quadrature receiver |
| 10/23/2001 | US6307433 Preamplifier for high speed optical fiber communication system |
| 10/23/2001 | US6307429 Extended power ramp table for power amplifier control loop |
| 10/23/2001 | CA2288460C Distortion compensation circuit |
| 10/18/2001 | WO2001078248A1 Method and arrangement for minimizing power dissipation in a line driver |
| 10/18/2001 | WO2001052430A8 Method for interference detection and cancellation in a tramsmission system |
| 10/18/2001 | US20010030581 Bidirectional direct current power conversion circuits and methods |
| 10/18/2001 | US20010030580 Power amplifier with provisions for varying operating voltage based upon power amplifier output power |
| 10/18/2001 | US20010030576 Automatic level controlling circuit |
| 10/18/2001 | DE10018666A1 Dynamic sound optimization in the interior of a motor vehicle or similar noisy environment, a monitoring signal is split into desired-signal and noise-signal components which are used for signal adjustment |
| 10/17/2001 | EP1146636A1 Radio transmitter with reduced power consumption |
| 10/17/2001 | EP1145454A1 Apparatus and method for compensating rf gain based on measured rf noise |
| 10/17/2001 | EP1145427A1 Automatic gain control for slotted mode operation |
| 10/17/2001 | EP0998783B1 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal |
| 10/17/2001 | EP0972340B1 Automatic volume control in an audio-signal reproduction facility, and device required |
| 10/17/2001 | CN1318222A Method and appts. for controlling audio signal level |
| 10/16/2001 | US6304749 Radio equipment and transmit power controlling method for the same |
| 10/16/2001 | US6304615 Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer |
| 10/16/2001 | US6304139 Transmitter adjusting output power |
| 10/16/2001 | US6303922 Range-switching optical receiver with high sensitivity and wide dynamic range |
| 10/11/2001 | WO2001076114A1 Signal processor for multiplex communication system and signal processing method therefor |
| 10/11/2001 | US20010029172 Low-noise amplifier for a mobile communication terminal |
| 10/11/2001 | US20010028275 Gain control device for packet signal receiver |
| 10/11/2001 | US20010028244 Measuring antenna signal strength with automatic gain control receiver |
| 10/10/2001 | EP1143611A1 Digital automatic gain control |
| 10/10/2001 | EP1142136A1 Control of gain and power consumption in a power amplifier |
| 10/10/2001 | EP1142108A1 Method and apparatus for controlling the ratio of an output signal and an input signal |
| 10/10/2001 | CN1316843A Radio transmitter installation with low-power consumption |
| 10/09/2001 | US6301486 Radio telephone apparatus |
| 10/09/2001 | US6300832 Gain variable amplifier apparatus having improved gain control linearity characteristics |
| 10/09/2001 | CA2204722C Agc circuit for a digital receiver |
| 10/04/2001 | WO2001073975A1 Dynamic bias for rf power amplifiers |
| 10/04/2001 | WO2001073945A1 Gain control device |
| 10/04/2001 | US20010027090 Automatic gain control system |
| 10/04/2001 | US20010026624 Level adjustment circuit |
| 10/04/2001 | US20010026600 Radio transmitter with reduced power consumption |
| 10/04/2001 | EP1139562A1 Radio with a squelch circuit, and method |
| 10/04/2001 | EP1138115A1 Amplitude modulation to phase modulation cancellation method in an rf amplifier |
| 10/03/2001 | CN1316130A Muting circuit having controllable impedance means for soft muting |
| 10/03/2001 | CN1316129A Control of variable gain amplifier with delta sigma modulator D/A converter |
| 10/02/2001 | US6298222 Communication system, device and method |
| 10/02/2001 | US6298139 Apparatus and method for maintaining a constant speech envelope using variable coefficient automatic gain control |
| 10/02/2001 | US6297902 Light amplification medium control method, light amplification apparatus and system using the same |
| 10/02/2001 | US6297708 Temperature compensated high performance oscillator |
| 10/02/2001 | US6297698 Circuit for automatic regulation of a differential amplifier's gain |
| 09/27/2001 | WO2001071999A1 Device and method for adjusting input gain for multiple signal formats in a data network |
| 09/27/2001 | WO2001071957A1 Receiving apparatus and gain control method |
| 09/27/2001 | US20010024870 Fabrication process of a semiconductor integrated circuit device |
| 09/27/2001 | US20010024481 Direct-conversion demodulator having automatic-gain-control function |
| 09/27/2001 | US20010024132 Electronic circuit comprising a differential pair provided with degeneration means for degenerating a transconductance of the differential pair |
| 09/26/2001 | EP1137192A1 Radio station for transmitting signals |
| 09/26/2001 | EP1137174A2 Automatic gain control system |
| 09/26/2001 | EP1137173A1 RF- FET bias and switching circuit based on a quasi-open loop regulation |
| 09/26/2001 | EP1135968A1 Method for producing a constant sound pressure level in hearing aids and corresponding hearing aid |