Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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05/30/2002 | WO2002043049A1 Method for control of a unit comprising an acoustic output device |
05/30/2002 | US20020065062 Automatic gsm mobile power |
05/30/2002 | US20020065048 Method and apparatus for compensating for distortion in radio apparatus |
05/30/2002 | US20020063597 Automatic gain control system and related method |
05/29/2002 | EP1209870A1 Automatic gain control and wireless communication device |
05/29/2002 | DE10056877A1 Automatic gain control for remotely-controlled vehicle electronic locking system, adjusts power supplied to amplifier to change receiver sensitivity |
05/29/2002 | CN1351424A Receiving automatic gain controlling circuit |
05/28/2002 | US6397090 Power saving device for radio communication terminal |
05/28/2002 | US6397077 Wide frequency range couplers and detectors for power detection in multiple frequency band systems |
05/28/2002 | US6397050 Multiband squelch method and apparatus |
05/28/2002 | US6397049 Two-way radio with improved squelch |
05/28/2002 | US6396879 Transmission power controller and transmission power control method |
05/28/2002 | US6396614 Optical signal receiving circuit and method for receiving optical signal |
05/28/2002 | US6396337 Transistor circuit with direct-coupled stages |
05/28/2002 | CA2063364C Cellular radio-telephone receiver employing improved technique for generating an indication of received signal strength |
05/23/2002 | WO2002041510A2 Receiver sensitivity |
05/23/2002 | WO2001065682A3 Method and transmission circuit for producing a transmission signal |
05/23/2002 | US20020061738 System and method for inverting automatic gain control (AGC) and soft limiting |
05/23/2002 | US20020061109 Audio system |
05/23/2002 | US20020061040 Auto power control circuit for laser diode |
05/23/2002 | US20020060598 Linear voltage subtractor/adder circuit and MOS differential amplifier circuit therefor |
05/22/2002 | EP1206834A1 Methods for calibration of radio devices at room temperature |
05/22/2002 | CN1350365A Multichannel digital automatic gain control method and controller |
05/22/2002 | CN1085478C Output control unit of mobile communication system and its controlling method |
05/22/2002 | CN1085441C Programmable-gain amplifier |
05/21/2002 | US6392483 Feed-forward amplifier |
05/21/2002 | US6392479 Automatic gain controller and automatic gain control method, and radio communications apparatus equipped with automatic gain control function |
05/21/2002 | US6392478 Amplification device having an adjustable bandwidth |
05/16/2002 | WO2001091522A3 Method and apparatus for programmable power curve and wave generator |
05/16/2002 | WO2001080436A3 Dual-mode communications transmitter |
05/16/2002 | WO2001058013A3 Method and circuit arrangement for controlling the output power of a power amplifier |
05/16/2002 | US20020058485 Transmission power control circuit |
05/16/2002 | US20020057804 Circuit and method for automatically limiting the amplitude of broadcast audio signals |
05/15/2002 | CN1084993C Method for demodulating digitally modulated data signals |
05/15/2002 | CN1084969C Spurious signal reduction in RF transmitter integrated circuits |
05/15/2002 | CN1084963C Tuning amplifier |
05/14/2002 | US6389303 Booster for amplifying the transmission output of a handy phone |
05/14/2002 | US6389272 Receiver with auto gain control circuit of RF signal |
05/14/2002 | US6389078 Configurable circuits for field programmable radio frequency communications equipment and methods therefor |
05/14/2002 | US6388799 Optical device and imaging system |
05/14/2002 | US6388530 Microwave amplifier implemented by heterojunction field effect transistors |
05/14/2002 | US6388529 Grounded emitter amplifier and a radio communication device using the same |
05/14/2002 | US6388526 Methods and apparatus for high performance reception of radio frequency communication signals |
05/14/2002 | US6388500 Gain controller using switched capacitors |
05/10/2002 | WO2002037673A1 Adjustment of transmitter bias current based on transmitter gain |
05/10/2002 | WO2002037668A1 Method and apparatus for controlling an amplifier |
05/10/2002 | WO2001080423A3 Method and apparatus for dynamic sound optimization |
05/09/2002 | US20020055349 Self-tuned millimeter wave RF Transceiver module |
05/09/2002 | US20020055341 Variable gain amplifier device |
05/09/2002 | US20020054583 Automatic gain control for a time division duplex receiver |
05/08/2002 | EP1204216A1 Method and apparatus for distortion compensation of radio device |
05/08/2002 | EP1203447A1 Method and device for operating a radio frequency power amplifier |
05/08/2002 | EP1203446A2 Automatic gain control in a zero intermediate frequency radio device |
05/08/2002 | EP1142136A4 Control of gain and power consumption in a power amplifier |
05/07/2002 | US6385440 Mobile communication receiver with asymmetric muting control |
05/07/2002 | US6385436 Distortion compensation circuit |
05/07/2002 | US6384689 Preamplifier for optical receivers |
05/07/2002 | US6384686 Radio communication apparatus and radio frequency power amplifier |
05/07/2002 | CA2140668C Semiconductor emulation of vacuum tubes |
05/02/2002 | WO2002035732A1 Selectively activated agc signal measurement unit |
05/02/2002 | WO2001067621A3 Transmitter architectures for communications systems |
05/02/2002 | WO2001047106A3 Transmitter power amplifier ramping method |
05/02/2002 | US20020052665 Utilizing vacuum tubes in computer audio circuitry |
05/02/2002 | US20020051546 Variable attack & release system and method |
05/02/2002 | US20020050857 Variable gain amplifier |
05/02/2002 | EP1202467A1 Signal transmitter with impulse control of amplification |
05/02/2002 | EP1202448A1 Method and device for adapting transmission power levels in transmission systems |
05/02/2002 | EP1201029A1 Automatic gain control and offset correction |
05/02/2002 | EP1201025A1 Driving circuits for switch mode rf power amplifiers |
05/02/2002 | EP1201024A1 High-efficiency modulating rf amplifier |
05/02/2002 | DE10052104A1 Automatically regulated influencing of loudness involves assessing sum of all sounds in context by pattern comparison and carrying out loudness regulation of one or more acoustic units |
05/02/2002 | DE10050688A1 Controller for automobile radio with loudness matching is switchable between processing signals connection at remote control connection as remote control or ambient loudness signals |
05/01/2002 | CN1084114C Mobile radio unit with automatic gain control circuit and method for automatic gain control in said mobile radio unit |
04/30/2002 | US6381286 Cartesian loop transmitter |
04/30/2002 | US6381265 Field programmable modulator-demodulator arrangement for radio frequency communications equipment and method therefor |
04/30/2002 | US6381212 Power sharing amplifier system for amplifying multiple input signals with shared power amplifiers |
04/25/2002 | WO2002033844A2 Communications systems |
04/25/2002 | WO2002033821A2 Mobile telephone comprising an improved transmitter |
04/25/2002 | WO2002033819A2 Amplifier having stacked current-driven current drivers |
04/25/2002 | WO2002011349A3 Successive log video pad power detector and method |
04/25/2002 | WO2001056178A3 Method for masking interruptions during playback of received radio signals |
04/25/2002 | US20020048967 Fabrication process of a semiconductor integrated circuit device |
04/25/2002 | US20020048267 Selectively activated AGC signal measurement unit |
04/25/2002 | US20020048109 dB linear variable gain amplifier |
04/25/2002 | US20020047811 Antenna unit and receiving circuit |
04/25/2002 | US20020047744 Method and circuit for controlling baseband gain |
04/25/2002 | US20020047732 Peak-hold circuit with variable time constant |
04/25/2002 | DE10050330A1 Signal strength compensation device for mobile radio receiver uses mean value of signal strength for previously received data symbols |
04/24/2002 | CN1346188A CDMA radio transmitting equipment and transmitting power control and transmitter-receiver |
04/23/2002 | US6377784 High-efficiency modulation RF amplifier |
04/23/2002 | CA2088750C Linearized output control of a nonlinear amplifier |
04/18/2002 | WO2002032018A2 Time slot structure and automatic gain control method for a wireless communication system |
04/18/2002 | WO2002031996A2 Adjustment of bias current in a first integrated circuit based on a signal gain of a second integrated circuit |
04/18/2002 | WO2002031992A2 Signal strength compensation for mobile radio channels that considerably vary with time |
04/18/2002 | WO2002031973A2 Gain linearizer for variable gain amplifiers |
04/18/2002 | WO2002031972A2 Amplification circuit with improved linearity |
04/18/2002 | US20020045429 Communications systems |
04/18/2002 | US20020044100 Radio station with optimized impedance |
04/18/2002 | US20020044017 High frequency power amplifier module and wireless communication apparatus |
04/18/2002 | CA2425464A1 Automatic gain control for a time division duplex receiver |