| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 02/01/2007 | US20070026824 Electronic component for amplifying high frequency and radio communication system |
| 02/01/2007 | US20070025560 Audio processing method and sound field reproducing system |
| 02/01/2007 | US20070025189 Electronic apparatus and method for implementing an intelligent wake mode |
| 02/01/2007 | US20070024370 Power amplifier capable of adjusting compensation for distortion in amplification and communication apparatus employing the same |
| 02/01/2007 | DE102005035305A1 Audiosystem für Kraftfahrzeuge Audio system for motor vehicles |
| 02/01/2007 | DE102005034440A1 Amplifier arrangement for use in polar transmitter, has DC converter releasing supply potential into connector of amplifier stage, and digital-analog converter converting amplitude modulation word into analog signal for controlling stage |
| 02/01/2007 | DE102005034032A1 Mehrkanaliger Hochfrequenz-Empfänger Multi-channel radio frequency receiver |
| 01/31/2007 | EP1748303A1 Systems and methods for automatic gain control for multichannel receivers |
| 01/31/2007 | EP1604472A4 Enhanced automatic gain control mechanism for timeslotted data transmissions |
| 01/31/2007 | CN1906494A Dual signal RF power level detector |
| 01/31/2007 | CN1298192C Method of proceeding gain adjustment for downloadable music file |
| 01/31/2007 | CN1298105C Current-voltage converter |
| 01/30/2007 | US7171185 Direct conversion receiver and DC offset reducing method |
| 01/30/2007 | US7171180 AM receiver circuit performing sound quality compensation of AM detection output signal |
| 01/30/2007 | US7171178 Tuning circuit having amplitude-varying function |
| 01/30/2007 | US7171172 Method for calibration of a signal receiver |
| 01/30/2007 | US7171171 GaAs RF signal detection circuit with operational amplifier |
| 01/30/2007 | US7171170 Envelope limiting for polar modulators |
| 01/30/2007 | US7171159 Transmission power control in a satellite communication system |
| 01/30/2007 | US7171005 P.A. system installation method |
| 01/30/2007 | US7170953 Method and apparatus for a transceiver having a constant power output |
| 01/30/2007 | US7170339 Digital amplifier |
| 01/25/2007 | WO2007009505A1 Ensuring privacy during public announcements |
| 01/25/2007 | US20070018729 Amplifier arrangement and method of signal amplification |
| 01/25/2007 | DE102005061572A1 Leistungsverstärkeranordnung, insbesondere für den Mobilfunk, und Verfahren zum Ermitteln eines Performanceparameters Power amplifier arrangement, in particular for mobile radio, and method for determining a performance parameter |
| 01/24/2007 | EP1277273B1 Method and transmitting circuit for generating a transmission signal |
| 01/24/2007 | EP1260016B1 Method and transmission circuit for generating a transmission signal |
| 01/24/2007 | EP1145454B1 Apparatus and method for compensating rf gain based on measured rf noise |
| 01/24/2007 | EP0944166B1 Automatic dynamic range controlling circuit |
| 01/24/2007 | EP0890086B1 Digital interconnects of a pc with consumer electronics devices |
| 01/24/2007 | CN1902847A Transmitter and method for scrambled bit transmission |
| 01/24/2007 | CN1297036C Variable attenuator system and method |
| 01/23/2007 | US7167692 High frequency peak detector and applications thereof |
| 01/23/2007 | US7167215 Gain control for a high definition television demodulator |
| 01/23/2007 | US7167053 Integrated circuit amplifier device and method using FET tunneling gate current |
| 01/23/2007 | US7167044 Dual-band CMOS front-end with two gain modes |
| 01/18/2007 | WO2007007916A1 Transmitting apparatus and method capable of generating a warning depending on sound types |
| 01/18/2007 | WO2007007523A1 Vehicle-mounted sound control system |
| 01/18/2007 | WO2006047387A3 Unnatural reverberation |
| 01/18/2007 | WO2004077491A3 Amplifier circuit with regulated power and method for increasing the power |
| 01/18/2007 | US20070014420 Auto-mute command stream by voice-activated remote control |
| 01/18/2007 | US20070013445 Variable gain feedback amplifier circuit apparatus and method therefor |
| 01/18/2007 | DE10251308B4 Integrierte geschaltete Kondensatorschaltung und Verfahren Integrated switched capacitor circuit and method |
| 01/17/2007 | EP1744588A1 Sound volume control circuit, semiconductor integrated circuit, and sound source device |
| 01/17/2007 | EP1744450A1 Electronic device |
| 01/17/2007 | CN1898988A Audio output apparatus |
| 01/17/2007 | CN1898861A Radio frequency (rf) and/or microwave power amplification device and corresponding radio communication terminal |
| 01/17/2007 | CN1897459A Volume automatic adjusting device for digital program system and its method |
| 01/16/2007 | US7164931 Method for operating a base station by prelimiting an output signal |
| 01/16/2007 | US7164901 DC offset-free RF front-end circuits and systems for direct conversion receivers |
| 01/16/2007 | US7164896 Method for driving a receiver stage and respective apparatus |
| 01/16/2007 | US7164774 Amplifier with limiter |
| 01/16/2007 | US7164772 Setting update apparatus of scene data in audio mixer |
| 01/16/2007 | US7164321 Modulation dependent biasing for efficient and high linearity power amplifiers |
| 01/16/2007 | US7164319 Power amplifier with multi mode gain circuit |
| 01/16/2007 | US7164318 Continuous variable-gain low-noise amplifier |
| 01/16/2007 | US7164315 Power detector for mismatched load |
| 01/16/2007 | US7164314 Power amplifier module for wireless communication devices |
| 01/16/2007 | US7164295 Feedback control system and method |
| 01/16/2007 | CA2451976C Adaptive rf amplifier prelimiter |
| 01/11/2007 | WO2007005498A1 Receiver having digital automatic gain control |
| 01/11/2007 | WO2007005376A2 Automatic bias control circuit for linear power amplifiers |
| 01/11/2007 | WO2007003049A1 Gps receiver with improved immunity to collocated transmissions and method therefor |
| 01/11/2007 | US20070010224 LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
| 01/11/2007 | US20070009110 Muting circuit and semiconductor integrated circuit |
| 01/11/2007 | US20070008037 High frequency power amplifier circuit and radio communication system |
| 01/11/2007 | DE19753472B4 Photoelektrische Zelle mit stabilisierter Verstärkung Photoelectric cell stabilized gain |
| 01/10/2007 | EP1741216A2 Method and circuit used to prevent or at least to reduce disturbance signals when switching off voltage supply, in particular in a household device |
| 01/10/2007 | EP1741203A2 Method and apparatus for dynamically adjusting a transmitter's impedance and implementing a hybrid power amplifier therein which selectively connects linear and switch-mode power amplifiers in series |
| 01/10/2007 | EP1741182A1 System and method for adaptively controlling receiver gain switch points |
| 01/10/2007 | EP1415392B1 Open loop variable gain amplifier using replica gain cell |
| 01/10/2007 | EP1238457B1 Arrangement for controlling the output power of an hf transmitter |
| 01/10/2007 | EP1076420B1 Transmission power control device and transmissiom power control method |
| 01/10/2007 | CN1894855A System and method for detection of amplitude limit and modification of signal |
| 01/10/2007 | CN1893740A Mixer apparatus and method for changing parameter settings in the mixer apparatus |
| 01/10/2007 | CN1893263A Signal level adjusting apparatus, gain value updating method, and program |
| 01/10/2007 | CN1893258A Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control |
| 01/10/2007 | CN1892525A Slide operation device |
| 01/10/2007 | CN1294697C Configurable power amplifier and bias control |
| 01/09/2007 | US7162731 Radio frequency characterization of cable plant and corresponding calibration of communication equipment communicating via the cable plant |
| 01/09/2007 | US7162218 System and method for a direct conversion multi-carrier processor |
| 01/09/2007 | US7162046 Microphone-tailored equalizing system |
| 01/09/2007 | US7161426 RF power amplifier system having a plurality of different power control modes |
| 01/09/2007 | US7161418 Amplifier arrangement and method for calibrating an amplifier arrangement |
| 01/04/2007 | WO2007001907A1 Wide dynamic range switching variable gain amplifier and control |
| 01/04/2007 | WO2007001738A2 A linear power efficient radio frequency (rf) driver system and method with power level control |
| 01/04/2007 | WO2007000694A1 Signal level adjuster with incremental gain adjustments, for rf communication equipment. |
| 01/04/2007 | US20070004348 System and method for radio power level control |
| 01/04/2007 | US20070003078 Adaptive gain control system |
| 01/04/2007 | US20070001767 Systems and Methods for Ramping Power Amplifier Output Power |
| 01/04/2007 | US20070001766 Automatic bias control circuit for linear power amplifiers |
| 01/04/2007 | US20070001761 Differential amplifier and operational amplifier |
| 01/04/2007 | US20070001759 Signal level adjusting apparatus, gain value updating method, and program |
| 01/04/2007 | US20070001756 System for reducing calibration time of a power amplifier |
| 01/03/2007 | EP1561278B1 Method and apparatus for regulating the transmitted power in multi-rate wireless communication systems |
| 01/03/2007 | CN2854930Y Intelligent silence device for vehicle acoustic when using moible phone in vehicle |
| 01/03/2007 | CN1890904A Signal generation power management control system for portable communications device and method of using same |
| 01/03/2007 | CN1890880A Low-power integrated-circuit signal processor with wide dynamic range |
| 01/03/2007 | CN1890877A Constant sound level |
| 01/03/2007 | CN1890876A Gain-variable voltage/current converting circuit having current compensating circuit for compensating for variation of DC current flowing through active element that performs voltage/current conversio |