| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 06/22/2004 | US6754479 Squaring circuit and electronic device using same |
| 06/22/2004 | US6754476 Transportable radio transmitter, especially a remote |
| 06/22/2004 | US6754351 Music apparatus with dynamic change of effects |
| 06/22/2004 | US6753735 High frequency power amplifier and wireless communication module |
| 06/22/2004 | US6753732 Accurate, wide-band, low-noise variable-gain amplifier structures and gain control methods |
| 06/22/2004 | CA2157532C Noise suppressing device |
| 06/17/2004 | WO2004051876A1 Power limit device and digital radio transmitter using the same |
| 06/17/2004 | WO2004051846A2 Gain compensation over temperature and frequency variations in wireless transceivers |
| 06/17/2004 | WO2004051845A1 Amplifier circuit |
| 06/17/2004 | WO2004051843A2 Method and apparatus for optimizing transmitter power efficiency |
| 06/17/2004 | WO2004050937A2 Method for coating piston rings for internal combustion engines |
| 06/17/2004 | WO2002089521A3 Microphone-tailored equalizing system |
| 06/17/2004 | US20040116162 Amplifying circuit, speaker system, and mobile information terminal employing amplifying circuit |
| 06/17/2004 | US20040116005 Portable terminal with multipurpose earjack |
| 06/17/2004 | US20040113702 Tuner circuit |
| 06/17/2004 | US20040113691 Variable gain amplifier |
| 06/17/2004 | US20040113688 Power control for high frequency amplifiers |
| 06/17/2004 | US20040113683 Linear-in-dB variable gain amplifier |
| 06/17/2004 | DE10256063A1 Verfahren zum Beschichten von Kolbenringen für Verbrennungsmotoren A process for coating of piston rings for internal combustion engines |
| 06/17/2004 | DE10255606A1 Verstärkeranordnung, Empfänger mit der Verstärkeranordnung und Verfahren zum Betrieb eines programmierbaren Verstärkers An amplifier arrangement, receiver with the amplifier arrangement and method for operating a programmable amplifier |
| 06/16/2004 | EP1429472A2 Wireless communication apparatus and transmission power control method thereof |
| 06/16/2004 | EP1429456A1 Variable gain amplifier of low power consumption |
| 06/16/2004 | EP1428313A2 A system and method for minimizing dissipation in rf power amplifiers |
| 06/16/2004 | EP1203447B1 Method and device for operating a radio frequency power amplifier |
| 06/16/2004 | EP1151535B1 A device and method for controlling the amplitude of signals |
| 06/16/2004 | EP0972347B1 Serial digital data communications receiver with automatic cable equalizer, agc system, and dc restorer |
| 06/16/2004 | CN1505439A Improvements in and relating to audio devices |
| 06/16/2004 | CN1505432A Power amplifying system and method |
| 06/15/2004 | US6751450 Radio apparatus carrying out automatic gain control and gain control method |
| 06/15/2004 | US6751448 Control of transmission power in a communication system |
| 06/15/2004 | US6750719 Communication semiconductor integrated circuit device and wireless communication system |
| 06/15/2004 | US6750717 Peaking control for wideband laser driver applications |
| 06/10/2004 | WO2004049580A2 An amps receiver system using a zero-if architecture |
| 06/10/2004 | WO2004049564A1 Power supply device, method, program, recording medium, network analyzer, and spectrum analyzer |
| 06/10/2004 | WO2004049563A2 Amplifier assembly, receiver comprising said assembly and method for operating a programmable amplifier |
| 06/10/2004 | WO2004049559A1 Systems and methods of dynamic bias switching for radio frequency power amplifiers |
| 06/10/2004 | WO2003017475A9 Method and system for multiple tuner application using a low noise broadband distribution amplifier |
| 06/10/2004 | US20040110476 Method and device for regulating the power of millimeter waves for a v-band tr module |
| 06/10/2004 | US20040109092 Gain control for a high definition television demodulator |
| 06/10/2004 | US20040108902 High frequency power amplifier electric parts and radio telecommunication system |
| 06/10/2004 | US20040108896 Envelope elimination and restoration linear amplifier |
| 06/10/2004 | US20040108895 Radio frequency power amplifier module integrated with a power control loop |
| 06/10/2004 | US20040108893 Wideband variable gain amplifier with high linearity operating in switch mode |
| 06/10/2004 | US20040108892 Gigabit ethernet transceiver with analog front end |
| 06/10/2004 | CA2474350A1 An amps receiver system using a zero-if architecture |
| 06/09/2004 | EP1427104A1 Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method |
| 06/09/2004 | EP1427102A1 Apparatus and method for compensating gain of automatic gain controller |
| 06/09/2004 | CN1504015A Zero intermediate frequency receiver using information package to obtain channel tracking |
| 06/09/2004 | CN1503489A 半导体集成电路设备和无线通信系统 Semiconductor integrated circuit device and wireless communication systems |
| 06/09/2004 | CN1503476A Optical signal receiving circuit and optical signal receiving semciconductor device |
| 06/09/2004 | CN1153388C Radio transmitter installation with low-power consumption |
| 06/08/2004 | US6748245 Method for managing power supply to a cellular radiotelephone station |
| 06/08/2004 | US6748201 Gain control for communications device |
| 06/08/2004 | US6748200 Automatic gain control system and method for a ZIF architecture |
| 06/08/2004 | US6748089 Switch responsive to an audio cue |
| 06/08/2004 | US6748038 Method and circuit for determining signal amplitude |
| 06/08/2004 | US6747515 Circuit for automatic regulation of a differential amplifier's gain |
| 06/08/2004 | US6747510 Apparatus, system, and method for amplifying a signal, and applications thereof |
| 06/08/2004 | US6747264 Changeable gain amplifier, solid-state imaging device and optical signal reading method |
| 06/03/2004 | WO2004047411A1 Compensating for analog radio component impairments to relax specifications |
| 06/03/2004 | WO2004047323A1 Automatic gain control using signal and interference power to obtain extended blocking performance |
| 06/03/2004 | WO2003092249A3 Controlling output power in cellular telephones |
| 06/03/2004 | US20040106385 Dynamic bias for RF power amplifiers |
| 06/03/2004 | US20040105033 Amplifier assembly including variable gain amplifier, parallel programmable amplifiers, and AGC |
| 06/03/2004 | US20040104775 High linearity digital variable gain amplifier |
| 06/03/2004 | US20040104771 Gain control methods and systems in an amplifier assembly |
| 06/03/2004 | DE10005440B4 Verfahren zum energiesparenden Betrieb eines Mobilfunkgerätes und Mobilfunkgerät zum Durchführen des Verfahrens A method for energy-saving operation of a mobile device and mobile device for carrying out the method |
| 06/03/2004 | CA2506024A1 Compensating for analog radio component impairments to relax specifications |
| 06/02/2004 | EP1424772A2 High linearity variable gain amplifier |
| 06/02/2004 | EP0925645B1 Muting a microphone in radiocommunication systems |
| 06/02/2004 | CN1502165A Transmitter bias current adjusting based on transmitter gain |
| 06/02/2004 | CN1502164A Variable gain low-noise amplifier for a wireless terminal |
| 06/02/2004 | CN1501589A Method and apparatus for automatic gain control of radio frequency communication system |
| 06/02/2004 | CN1501587A Method and system for reducing noise in a multi-carrier signal |
| 06/02/2004 | CN1152559C TV receiver having analog/digital dual tuner |
| 06/01/2004 | US6745016 Automatic gain control method and device |
| 06/01/2004 | US6744882 Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone |
| 06/01/2004 | US6744830 Digital broadcasting signal receiver |
| 06/01/2004 | US6744826 AGC window detector |
| 06/01/2004 | US6744321 Bias control circuit for power amplifier |
| 06/01/2004 | US6744319 Exponential function generator embodied by using a CMOS process and variable gain amplifier employing the same |
| 06/01/2004 | US6744313 Power amplifier driver and method of using |
| 06/01/2004 | US6744261 Method and an apparatus for measuring the ratio of the amplification factor of a signal level normalizer |
| 06/01/2004 | CA2131652C Sulfur-containing powder-metallurgy tool steel article |
| 05/27/2004 | WO2004045226A2 Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics |
| 05/27/2004 | WO2004045100A1 Circuitry to establish a wireless communication link |
| 05/27/2004 | WO2004045071A2 Gain control in a wireless device |
| 05/27/2004 | WO2004045065A2 Accurate power detection for a multi-stage amplifier |
| 05/27/2004 | WO2003094344B1 Improved variable gain amplifier |
| 05/27/2004 | US20040102861 Computer system and method controlling audio signal outputs of application programs |
| 05/27/2004 | US20040102207 Device and method for regulating the output power of mobile |
| 05/27/2004 | US20040102168 Apparatus and method for compensating gain of an automatic gain controller |
| 05/27/2004 | US20040100326 Method and apparatus for controlling an amplifier |
| 05/27/2004 | US20040100325 Method and apparatus for improved output power level control in an amplifier circuit |
| 05/27/2004 | US20040100324 Dynamic sensing regulator |
| 05/27/2004 | US20040100323 Systems and methods of dynamic bias switching for radio frequency power amplifiers |
| 05/27/2004 | US20040100317 Optical signal receiving circuit and optical signal receiving semiconductor device |
| 05/27/2004 | DE10230168B4 Pegelumsetz-Einrichtung Pegelumsetz device |
| 05/26/2004 | EP1421683A2 Wireless signal amplification system and a television signal decoder comprising one such system |
| 05/26/2004 | EP1421682A2 Audio processing device |