| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 12/09/2004 | US20040245436 Light-receiving circuit capable of compensating a temperature dependence of an optical sensitivity of a photodiode |
| 12/09/2004 | DE10349800A1 Bluetooth headset for e.g. cellular phone, has controller setting vibration mode to headset if boom is closed to main body, and performing incoming call indication operation at predetermined incoming call indication mode |
| 12/09/2004 | DE102004016427A1 Automatisches Verstärkungssteuerungsverfahren und Vorrichtung in einem Kommunikationssystem mit diskontinuierlichem Übertragungsmodus Automatic gain control method and apparatus in a communication system with discontinuous transmission mode, |
| 12/08/2004 | EP1484840A2 Radio frequency variable gain amplifier with linearity insensitive to gain |
| 12/08/2004 | CN1554154A A calibrated DC compensation system for a wireless communication device configured in a zero intermediate frequency architecture |
| 12/08/2004 | CN1554148A Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method |
| 12/08/2004 | CN1179511C Satellite station for transmitting system |
| 12/07/2004 | US6828860 Gigabit ethernet transceiver with analog front end |
| 12/07/2004 | US6828859 Method and apparatus for protecting devices in an RF power amplifier |
| 12/02/2004 | WO2004105338A1 Automatic power control circuitry for a qam transmitter unit of a wireless communication device |
| 12/02/2004 | WO2004105236A1 Detection circuit and detection circuit adjustment method |
| 12/02/2004 | US20040242177 Wireless LAN receiver with packet level automatic gain control |
| 12/02/2004 | US20040242172 Enhanced automatic gain control mechanism for time-slotted data transmissions |
| 12/02/2004 | US20040242170 Control system with selective open-loop operation |
| 12/02/2004 | US20040240685 Audio processing apparatus |
| 12/02/2004 | US20040240582 Apparatus and method for stabilization of the transmission power of radios |
| 12/02/2004 | US20040239428 Active protection circuit for load mismatched power amplifier |
| 12/02/2004 | US20040239426 Operational amplifier generating desired feedback reference voltage allowing improved output characteristic |
| 12/02/2004 | US20040239419 Db-linear bariable gain amplifier (vga) stage with a high broad band |
| 12/02/2004 | US20040239418 Mute circuit and BTL audio amplifier apparatus |
| 12/01/2004 | EP1481492A1 Power control device and method for calibrating the power of a transmitter or receiver in a mobile communication network |
| 12/01/2004 | EP1481473A1 Methods and apparatus for automatic gain control |
| 12/01/2004 | CN1551657A Bluetooth headset and method for informing user of incoming call signal using the same |
| 12/01/2004 | CN1551489A Variable impedance circuit, amplifier, multiplier, high-frequency circuit using same |
| 11/30/2004 | US6825723 Low noise gain-controlled amplifier |
| 11/30/2004 | US6825717 Feedback network and amplifier and/or converter circuit with a feedback network |
| 11/25/2004 | WO2004086616A3 Clip detection in pwm amplifier |
| 11/25/2004 | WO2004077492A3 Circuit and method for compensating signal level jumps in amplification devices |
| 11/25/2004 | WO2003104924A3 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 11/25/2004 | US20040235439 Method and apparatus for selective disregard of co-channel transmissions on a medium |
| 11/25/2004 | US20040235438 Radio transmitters with temperature compensated power control profiles and methods of operating same |
| 11/25/2004 | US20040235437 Closed loop power control of non-constant envelope waveforms using sample/hold |
| 11/25/2004 | US20040235436 Wide dynamic range power detection scheme |
| 11/25/2004 | US20040232990 Power amplifier module |
| 11/25/2004 | US20040232982 RF front-end module for wireless communication devices |
| 11/25/2004 | US20040232980 Apparatus, system, and method for amplifying a signal, and applications thereof |
| 11/25/2004 | DE4410532B4 Schaltungsanordnung zum Einblenden von Zusatzinformationen in die Wiedergabe eines Audiosignals Circuit arrangement for superimposing additional information in the playback of an audio signal |
| 11/25/2004 | DE10317805A1 Electronic circuit for offset compensation (claimed) in wideband, high frequency (HF) detectors and amplifiers, with biased double diode |
| 11/24/2004 | EP1480402A1 Automatic power control circuitry for a QAM transmitter unit of a wireless communication device |
| 11/24/2004 | EP1479170A2 Method and apparatus for transient frequency distortion compensation |
| 11/24/2004 | EP1407543B1 Power-controlled transmitter arrangement |
| 11/24/2004 | EP1197001B1 Current-to-voltage converter with controllable gain, and signal processing circuit comprising such converter |
| 11/24/2004 | CN1549446A Automatic gain control circuit and method |
| 11/23/2004 | US6823179 Transmission power detecting apparatus and transmission apparatus |
| 11/23/2004 | US6823028 Digitally controlled automatic gain control system for use in an analog front-end of a receiver |
| 11/23/2004 | US6822515 Accurate power sensing circuit for power amplifiers |
| 11/23/2004 | US6822511 Integrated power amplifier circuit |
| 11/18/2004 | WO2004100360A1 Adaptor for adapting amplitudes of radio frequency signals |
| 11/18/2004 | WO2004062088B1 Power amplifier circuit and method using bandlimited signal component estimates |
| 11/18/2004 | US20040229658 Bluetooth headset and method for informing user of incoming call signal using the same |
| 11/18/2004 | US20040229586 Variable gain amplifier circuit and gain control method thereof |
| 11/18/2004 | US20040229583 Digital broadcast receiving tuner and receiving device incorporating it |
| 11/18/2004 | US20040229582 Variable gain amplifier, and AM-modulated signal reception circuit and detection circuit |
| 11/18/2004 | US20040229580 Direct conversion receiver with DC offset compensation and method thereof |
| 11/18/2004 | US20040229561 Tuner |
| 11/18/2004 | US20040227577 Adaptive bias circuit for a power amplifier |
| 11/18/2004 | US20040227574 Adjustable gain amplifier arrangement with relaxed manufacturing constraints |
| 11/18/2004 | DE10317936A1 Verstärkeranordnung und Sendeanordnung mit der Verstärkeranordnung Amplifier arrangement and transmission arrangement with the amplifier arrangement |
| 11/18/2004 | DE102004020326A1 Wellenformeinstellsystem für eine Musikdatei Wellenformeinstellsystem for a music file |
| 11/17/2004 | EP1478107A2 Data transmission in a TDMA system |
| 11/17/2004 | EP1478095A1 Transmission output circuit and mobile communication terminal |
| 11/17/2004 | EP1476942A2 Apparatus and method for controlling adaptive circuits |
| 11/17/2004 | EP1476941A2 Current modulator with dynamic amplifier impedance compensation |
| 11/17/2004 | EP1405435B1 Device and method for maintaining the transmitting power of a radio at a constant level |
| 11/17/2004 | CN1547803A Audio processing device |
| 11/16/2004 | US6820054 Audio signal processing for speech communication |
| 11/16/2004 | US6819941 Single output stage power amplification for multimode applications |
| 11/16/2004 | US6819938 System and method for power control calibration and a wireless communication device |
| 11/16/2004 | US6819937 Data transmission in a TDMA system |
| 11/16/2004 | US6819768 Volume control device using a digitally adjustable resistor |
| 11/16/2004 | US6819721 Limiting method and limiter apparatus |
| 11/16/2004 | US6819706 Control device for controlling power level between frequency assignment in radio frequency receiving device of mobile radio communication base station system in CDMA system |
| 11/16/2004 | US6819179 Variable gain low noise amplifier |
| 11/16/2004 | US6818879 Amplifier circuit for optical disk drive |
| 11/11/2004 | WO2004098052A1 Receiver circuit with adjustable if amplifier gain |
| 11/11/2004 | WO2004098051A1 Method and circuit for controlling amplification |
| 11/11/2004 | WO2004097351A2 Determining reverberation time |
| 11/11/2004 | WO2004054145A3 Signal distribution system cascadable agc device and method |
| 11/11/2004 | US20040225389 Method and system for authoring a soundscape for a media application |
| 11/11/2004 | US20040224715 System and method for correcting transmitter impairments |
| 11/11/2004 | US20040224653 Automatic gain controller for achieving high signal-to-noise ratio and low power loss, and a transmitting apparatus and method for use with a mobile communication terminal having the automatic gain controller |
| 11/11/2004 | US20040224648 Efficiency of power amplifers in devices using transmit beamforming |
| 11/11/2004 | US20040223349 System and method for reducing transfer function ripple in a logarithmic RMS-to-DC converter |
| 11/11/2004 | US20040222853 Method and apparatus for controlling a power amplifier in a mobile communication system |
| 11/11/2004 | US20040222850 Integrated power amplifier module with power sensor |
| 11/11/2004 | US20040222846 Power supply based audio compression for digital audio amplifier |
| 11/10/2004 | CN1545766A Device and method for cdma-signal power estimation |
| 11/10/2004 | CN1545757A Thermal compensation method and device for circuits with temperature-dependent current sensing elements |
| 11/10/2004 | CN1175560C Radio receiver and radio receiving method |
| 11/09/2004 | US6816013 Automatic gain control device |
| 11/09/2004 | US6816009 Circuit and method for a transimpedance audio amplifier providing variable gain while maintaining load impedance |
| 11/04/2004 | WO2004095765A2 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system |
| 11/04/2004 | WO2004095726A1 Am receiver and demodulator |
| 11/04/2004 | WO2004095725A1 High frequency signal level determining device and high frequency signal receiver apparatus using the same |
| 11/04/2004 | WO2004051843A3 Method and apparatus for optimizing transmitter power efficiency |
| 11/04/2004 | WO2004030247A3 Device and method for determining the level of an input signal intended to be applied to a receiving system |
| 11/04/2004 | US20040219944 Automatic level control |
| 11/04/2004 | US20040219893 Wireless communication system and communication semiconductor integrated circuit device |
| 11/04/2004 | US20040218768 Method for volume control of an audio reproduction and device for carrying out said method |
| 11/04/2004 | US20040217815 Variable gain amplifier circuit using variable impedance circuit |