| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 09/27/2007 | US20070222519 Dynamic Bias Control in Power Amplifier |
| 09/27/2007 | US20070222518 High frequency amplifier circuit and mobile communication terminal using the same |
| 09/27/2007 | US20070222491 Method and Circuit for Reducing or Preventing Disturbance Signals When Switching off a Voltage Supply, in Particular in a Household Appliance |
| 09/27/2007 | DE102005047172B4 Schaltungsanordnung mit einem rückgekoppelten Operationsverstärker Circuit arrangement having a feedback operational amplifier |
| 09/26/2007 | EP1836766A1 Method and device for amplifying an amplitude- and phase-modulated electric signal |
| 09/26/2007 | CN101043203A Variable gain amplifier |
| 09/26/2007 | CN100340059C Automatic optimization of linearity for envelope feedback amplifier linearization |
| 09/25/2007 | US7274258 Dynamic bias circuit for a radio-frequency amplifier |
| 09/25/2007 | US7274257 Variable gain wideband amplifier |
| 09/25/2007 | US7274255 Efficient generation of radio frequency currents |
| 09/20/2007 | WO2007105282A1 Variable gain amplifier |
| 09/20/2007 | WO2007105277A1 Low noise amplifier |
| 09/20/2007 | WO2007104957A1 A scheme to alleviate signal degradation caused by digital gain control loops |
| 09/20/2007 | US20070217627 Method and system for automatic gain control of a speech signal |
| 09/19/2007 | CN200950576Y 自动增益控制电路 Automatic gain control circuit |
| 09/19/2007 | CN101040435A Amplitude variable driver circuit and testing apparatus |
| 09/19/2007 | CN100338877C 电子电路 Electronic circuit |
| 09/18/2007 | US7272371 Radio receiver and radio receiving method |
| 09/18/2007 | US7272235 Method and apparatus for audio normalization |
| 09/18/2007 | US7271852 Digital television receiver with automatic gain control unit and method |
| 09/18/2007 | US7271656 Sliding bias circuit for enabling dynamic control of quiescent current in a linear power amplifier |
| 09/18/2007 | US7271652 Differential amplifier and operational amplifier |
| 09/18/2007 | US7271640 Mixer circuit with bypass and mixing modes having constant even order generation and method of operation |
| 09/13/2007 | WO2007102189A1 Light receiver |
| 09/13/2007 | WO2006076690A3 Method and apparatus for ambient sound therapy user interface and control system |
| 09/13/2007 | US20070211910 Sound Volume Control Circuit, Semiconductor Integrated Circuit And Sound Source Device |
| 09/13/2007 | US20070211789 Method for operating a base station by prelimiting an output signal station |
| 09/13/2007 | US20070210954 Microwave frequency converter |
| 09/13/2007 | US20070210871 Adaptive linear amplifier |
| 09/13/2007 | CA2645200A1 Evaporative light scattering detector |
| 09/12/2007 | EP1833163A1 Audio enhancement system and method |
| 09/12/2007 | EP1832010A1 Wireless communication unit and power control system thereof |
| 09/12/2007 | EP1831994A1 Method and apparatus for multichannel signal limiting |
| 09/12/2007 | EP1831992A1 Power control system for a wireless communication unit |
| 09/12/2007 | EP1290804A4 Digitized automatic gain control system and methods for a controlled gain receiver |
| 09/12/2007 | CN200947588Y Playing headset capable of automatically changing sound volume as noise |
| 09/12/2007 | CN101036291A 接收电路及光接收电路 Receiving circuit and the light receiving circuit |
| 09/12/2007 | CN101034901A Civil aviation ground-air communication self-adaptive disturbance restraining method based on the constant mode array and its system |
| 09/12/2007 | CN101034878A Gain adjusting method and gain adjusting device |
| 09/11/2007 | US7269398 Automatic gain control circuit for receive apparatus for mobile object |
| 09/11/2007 | US7269265 Method for switching audio signals and the device of the same |
| 09/11/2007 | US7269264 Method for reproducing audio signal from at least two different sources |
| 09/11/2007 | US7268671 Shaped modulation audible alarm |
| 09/11/2007 | US7268626 Compensating a power amplifier based on operational-based changes |
| 09/11/2007 | US7268618 Power amplifiers |
| 09/07/2007 | CA2642426A1 Fiber-to-the-home (ftth) optical receiver with distributed gain control |
| 09/06/2007 | US20070206820 Volume Control Method, Volume Controller, Volume Control Program, Electronic Apparatus |
| 09/06/2007 | US20070206706 AM Receiving Circuit |
| 09/06/2007 | US20070206684 Method and system for all digital gain control |
| 09/05/2007 | EP1830465A2 Transmitter architectures for communications systems |
| 09/05/2007 | EP1829208A2 Coaxial communication active tap device and distribution system |
| 09/05/2007 | EP1625675B1 Method and arrangement for setting the transmission power of a mobile communication device |
| 09/05/2007 | CN200944586Y Device for improving dynamic range of receiver |
| 09/05/2007 | CN101032079A A/d变换器 A / d converter |
| 09/05/2007 | CN101030763A Moving device and method for dynamically adjusting volume |
| 09/05/2007 | CN101030762A Volume controlling method and controller |
| 09/05/2007 | CN100336289C Thermal compensation method and device for circuits with temperature-dependent current sensing elements |
| 09/04/2007 | US7266353 Control loop for digital signals |
| 09/04/2007 | US7266312 Burst mode optical receiver |
| 09/04/2007 | US7265627 Self adaptable bias circuit for enabling dynamic control of quiescent current in a linear power amplifier |
| 09/04/2007 | US7265626 Fast-setting digital automatic gain control |
| 09/04/2007 | US7265618 RF power amplifier having high power-added efficiency |
| 08/30/2007 | WO2007096732A2 Automatic gain control system for receivers in wireless communications |
| 08/30/2007 | WO2007095758A1 Apparatus and method for detecting output power from an amplifier |
| 08/30/2007 | US20070202814 Wireless communication semiconductor integrated circuit device and wireless communication system |
| 08/30/2007 | US20070202813 Wireless communication semiconductor integrated circuit device and wireless communication system |
| 08/30/2007 | US20070201705 Media delivery system with improved interaction |
| 08/30/2007 | US20070201580 Semiconductor integrated circuit for communication, radio-communication apparatus, and transmission starting method |
| 08/30/2007 | US20070201565 Direct conversion rf transceiver for wireless communications |
| 08/30/2007 | US20070200740 Operational-based compensation of a power amplifier |
| 08/30/2007 | US20070200624 Architecture and method for improving efficiency of a class-A power amplifier by dynamically scaling biasing current thereof as well as synchronously compensating gain thereof in order to maintain overall constant gain of the class-A power amplifier at all biasing configurations thereof |
| 08/30/2007 | US20070200623 Amplifier, and step-down regulator and operational amplifier using the amplifier |
| 08/30/2007 | DE102006008725A1 Mehrkanalverstärker mit reduzierter Gesamtleistungsabgabe und Schaltungsanordnung mit einem derartigen Mehrkanalverstärker Multi-channel amplifier with reduced total power output circuitry and with such a multi-channel amplifier |
| 08/29/2007 | EP1826900A1 Vehicle-mounted sound control system |
| 08/29/2007 | EP1568151B1 Method and apparatus for optimizing transmitter power efficiency |
| 08/29/2007 | CN101026905A Signal transmission device and method and control device and method |
| 08/29/2007 | CN101026363A Hearing protection system, method and sound output device |
| 08/29/2007 | CN101026362A Hearing protection, method and sound output device |
| 08/28/2007 | US7263431 Analog input signal processing circuit |
| 08/28/2007 | US7263145 Semiconductor integrated circuit device, wireless LAN system, and auto gain control system |
| 08/28/2007 | US7263135 Transmitting method and transmitter apparatus |
| 08/28/2007 | US7262665 Active bias circuit for low-noise amplifiers |
| 08/28/2007 | US7262659 Adaptable voltage control for a variable gain amplifier |
| 08/28/2007 | US7262657 Bias control for reducing amplifier power consumption and maintaining linearity |
| 08/23/2007 | US20070197177 Squelch detecting circuit |
| 08/23/2007 | US20070195975 Meters for dynamics processing of audio signals |
| 08/23/2007 | US20070195967 Digital reverberations for audio signals |
| 08/23/2007 | US20070194852 Radio frequency power amplifying module with hetero junction bipolar transistor |
| 08/23/2007 | US20070194848 Variable Gain Amplifier |
| 08/23/2007 | DE10321625B4 Signalübertragungsvorrichtung und Verfahren zum Regeln einer Signalübertragungsvorrichtung A signal transmission apparatus and method for controlling a signal transmission device |
| 08/22/2007 | EP1820268A2 Voltage clamp for improved transient performance of a collector voltage controlled power amplifier |
| 08/22/2007 | EP1820267A1 Controllable power operational transconductance amplifier |
| 08/22/2007 | CN101022264A Crystal oscillating circuit and gain control method thereof |
| 08/21/2007 | US7260377 Variable-gain low noise amplifier for digital terrestrial applications |
| 08/21/2007 | US7260374 Method for controlling power level of received signal in ultra wide band transmission system |
| 08/21/2007 | US7260373 Direct conversion receiver |
| 08/21/2007 | US7260367 Edge power detector/controller |
| 08/21/2007 | US7260209 Methods and apparatus for improving voice quality in an environment with noise |
| 08/21/2007 | US7260163 Noise blanker using an adaptive all-pole predictor and method therefor |
| 08/21/2007 | US7259629 Variable gain amplifier with improved control characteristics linearity |