| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 08/28/2008 | WO2008102788A1 Programmable low-noise amplifier |
| 08/28/2008 | WO2008083315A3 Method and device configured for sound signature detection |
| 08/28/2008 | US20080205663 Supplying Electrical Power |
| 08/28/2008 | US20080204145 Bias control circuit and method of controlling bias of rf power amplifier |
| 08/28/2008 | US20080204144 Input stage for an amplifier |
| 08/28/2008 | US20080204143 Wide dynamic range amplifier gain control |
| 08/28/2008 | US20080204142 Low noise amplifier |
| 08/27/2008 | CN101253683A Receiver having a gain-controllable stage |
| 08/27/2008 | CN100414835C Carrier detecting circuit and infrared communication device using same |
| 08/26/2008 | US7418304 Apparatus and method for adjusting output level of audio data to be reproduced |
| 08/26/2008 | US7418244 Radio transmitter with accurate power control |
| 08/26/2008 | US7418242 Transmission device and gain control method |
| 08/26/2008 | US7418055 Device and method for regulating the output power of mobile |
| 08/26/2008 | US7417506 Amplifier having switchable negative feedback |
| 08/26/2008 | US7417502 Selectable power supply for audio amplifier |
| 08/26/2008 | US7417499 Gain controlled amplifier and cascoded gain controlled amplifier based on the same |
| 08/26/2008 | US7417492 Regulator |
| 08/21/2008 | WO2008099113A2 Reconfigurable power amplifier and use of such amplifier for making a multistandard amplification stage for mobile phone communications |
| 08/21/2008 | WO2008004074A3 Method and apparatus for providing adaptive supply voltage control of a power amplifier |
| 08/21/2008 | US20080200127 Impulse Noise Correction |
| 08/21/2008 | US20080199018 Active earphone with multiple speakers |
| 08/21/2008 | US20080197924 Variable gain amplifier circuit and filter circuit |
| 08/20/2008 | EP1959573A1 Reception sensitivity detection device and reception device |
| 08/20/2008 | EP1959566A1 Method and apparatus for controlling audio signal output level of portable audio device |
| 08/20/2008 | EP0993111B1 Amplifier |
| 08/20/2008 | CN101248599A Radio communication system, radio communication apparatus, amplification rate determining method and program |
| 08/20/2008 | CN101247111A Method and apparatus for controlling audio signal output level of portable audio device |
| 08/20/2008 | CN100413219C Transmitting apparatus |
| 08/20/2008 | CN100413215C Method and device for automatic gain control |
| 08/20/2008 | CN100412928C Electric current generating circuit, electro optics apparatus and electronic machine |
| 08/19/2008 | US7415314 Recording apparatus, reproducing apparatus, and recording and/or reproducing apparatus |
| 08/19/2008 | US7415259 Automatic gain control for satellite digital audio radio service receiver, method of automatically controlling gain and SDARS receiver incorporating the same |
| 08/19/2008 | US7415120 User adjustable volume control that accommodates hearing |
| 08/19/2008 | US7415119 Method for hierarchical audio conflict control |
| 08/19/2008 | US7415116 Method and system for improving communication in a vehicle |
| 08/19/2008 | US7415083 AGC scheme and receiver for use in a wireless communication system |
| 08/19/2008 | US7414552 Analog front end circuit for converting analog signal outputted by image sensor into digital signal |
| 08/19/2008 | US7414479 Automatic bias control circuit for reduced current consumption in a linear power amplifier |
| 08/14/2008 | WO2008096653A1 Amplification control device, test signal generation module, test device, amplification control method, program, recording medium |
| 08/14/2008 | WO2008095985A2 A multi-rate tracking circuit |
| 08/14/2008 | US20080192959 Method and apparatus for controlling audio signal output level of portable audio device |
| 08/14/2008 | US20080192958 Audio System |
| 08/13/2008 | EP1234376B1 Amplifier stabilisation |
| 08/13/2008 | CN101242163A Variable-gain amplification circuit, receiver and receiver integrated circuit |
| 08/13/2008 | CN101242162A Variable gain amplifying circuit |
| 08/13/2008 | CN101242161A Programmable gain amplifier |
| 08/13/2008 | CN100411311C Digital signal reception device |
| 08/13/2008 | CN100411307C Transmitting method and transmitter apparatus |
| 08/13/2008 | CN100411302C Direct conversion receiver architecture |
| 08/12/2008 | US7412380 Ambience extraction and modification for enhancement and upmix of audio signals |
| 08/12/2008 | US7412213 Envelope limiting for polar modulators |
| 08/12/2008 | US7411457 Power amplifying semiconductor integrated circuit device for use in communication equipment |
| 08/12/2008 | US7411456 AGC circuit |
| 08/12/2008 | US7411438 Low-power integrated-circuit signal processor with wide dynamic range |
| 08/12/2008 | CA2504687C Method and apparatus for regulating the transmitted power in multi-rate wireless communication systems |
| 08/07/2008 | WO2008092234A1 Wifi antenna system and method of operation |
| 08/07/2008 | WO2007016017A3 Power level control for rf transmitters |
| 08/07/2008 | US20080189107 Estimating own-voice activity in a hearing-instrument system from direct-to-reverberant ratio |
| 08/07/2008 | US20080188195 LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
| 08/07/2008 | US20080186100 Variable-gain amplification circuit, receiver and receiver ic |
| 08/07/2008 | US20080186099 Power amplifier and multistage amplification circuit including same |
| 08/07/2008 | US20080186094 Apparatus for high power amplifier in wireless communication system |
| 08/06/2008 | CN101237269A Method for realizing single-channel RF bidirectional amplification in TDD system |
| 08/05/2008 | US7409067 Method and apparatus for adjusting frequency characteristic of signal |
| 08/05/2008 | US7409066 Method of adjusting filter parameters and an associated playback system |
| 08/05/2008 | US7409018 Automatic gain controller outputting control value varying nonlinearly, and a method of outputting a gain control signal thereof |
| 08/05/2008 | US7408414 Distributed class G type amplifier switching method |
| 08/05/2008 | US7408413 Circuit for accurately controlling power amplifier output power |
| 08/05/2008 | US7408412 Power amplifier and wireless communication device |
| 08/05/2008 | US7408411 High linearity programmable gain amplifier using switch |
| 08/05/2008 | US7408407 Low noise variable gain amplifier |
| 07/31/2008 | WO2008091874A2 Method and device for acute sound detection and reproduction |
| 07/31/2008 | US20080182530 Power amplifier efficiency using error estimate and data rate |
| 07/31/2008 | US20080181435 System and method for muting TV speakers when headphones in use |
| 07/31/2008 | US20080181419 Method and device for acute sound detection and reproduction |
| 07/31/2008 | US20080180176 Sequential bias-controlled high power amplifier apparatus and method |
| 07/31/2008 | US20080180175 Variable gain amplifier and control method thereof |
| 07/31/2008 | US20080180169 Multimode amplifier for operation in linear and saturated modes |
| 07/31/2008 | US20080179948 Radio frequency power delivery system |
| 07/30/2008 | EP1949535A1 Equalizer interface for electronic apparatus |
| 07/30/2008 | EP1756943A4 Automatic current reduction biasing technique for rf amplifier |
| 07/30/2008 | EP1573931B1 Integrated crosspoint switch with band translation |
| 07/30/2008 | EP1547242B1 Device and method for determining the level of an input signal intended to be applied to a receiving system |
| 07/30/2008 | EP1513268B1 Method and apparatus for increasing receiver immunity to interference |
| 07/30/2008 | EP1456943B1 Attenuation control for digital power converters |
| 07/30/2008 | EP1311062B1 Method for optimising the efficiency of an amplifier for multicarrier signals |
| 07/30/2008 | CN101232355A High-frequency signal receiver using diversity antenna, and high-frequency signal receiving apparatus using the same |
| 07/30/2008 | CN101232292A Method and system for suppressing moderate double channel civil aviation ground and aviation communication constant module interference |
| 07/30/2008 | CN100407822C 时分双工系统阵列天线基站的自动增益控制方法及装置 Automatic gain control method and apparatus for time division duplex system, the base station array antenna |
| 07/29/2008 | US7406178 Efficient digital audio automatic gain control |
| 07/29/2008 | US7405680 Distortion compensator |
| 07/29/2008 | US7405618 Method and apparatus for controlling a power amplifier in a mobile communication system |
| 07/29/2008 | US7405617 Dynamic biasing system for an amplifier |
| 07/24/2008 | WO2008086997A1 Amplification circuit having an integrated test circuit |
| 07/24/2008 | WO2008009007A3 Multi-carrier receiver for wireless communication |
| 07/24/2008 | US20080175399 Apparatus and method for transmitting/receiving voice signal through headset |
| 07/24/2008 | US20080175306 Transmission apparatus and transmission power control method |
| 07/24/2008 | DE102004033547B4 Leistungsrampensteuerschaltung und -verfahren für einen Sender Power ramp control circuit and method for a transmitter |
| 07/23/2008 | EP1947762A1 Direct conversion of low power high linearity receiver |
| 07/23/2008 | EP1408616B1 Noise cancellor |