| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 08/11/2005 | DE102004001236A1 Power amplifier arrangement with antennas e.g. for transmission paths in mobile RF appliances, has signal paths each coupled to input and each comprising amplifier |
| 08/11/2005 | DE102004001094A1 Power amplifier arrangement e.g. for RF transmission device and mobile RF appliance, includes signal paths coupled by control device for activating and deactivating amplifiers |
| 08/11/2005 | CA2553453A1 Amplifier predistortion and autocalibration method and apparatus |
| 08/10/2005 | EP1561278A1 Method and apparatus for regulating the transmitted power in multi-rate wireless communication systems |
| 08/10/2005 | EP1540646A4 Voice controlled system and method |
| 08/10/2005 | EP1388205B1 Device and method for regulating the output power of mobile radio telephone stations |
| 08/10/2005 | CN1214518C Turn-off noise suppressing circuit for audio amplifier |
| 08/09/2005 | US6927628 Gain-control method and device for cascaded amplifiers |
| 08/09/2005 | US6927626 Thermal protection system for an output stage of an amplifier |
| 08/04/2005 | WO2005071849A1 Transmitter apparatus and wireless communication apparatus |
| 08/04/2005 | WO2005071829A1 Radio frequency (rf) and/or microwave power amplification device and corresponding radio communication terminal |
| 08/04/2005 | US20050170804 Gain control circuit, and a radio communication apparatus using the same |
| 08/04/2005 | US20050170795 Radio wave receive, radio wave reception integrated circuit, wave clock, and repeater |
| 08/04/2005 | US20050170788 Wireless communication circuit and wireless communication apparatus using the same |
| 08/04/2005 | US20050169485 Sound field control system and method |
| 08/04/2005 | US20050169484 Apparatus and methods for synthesis of simulated internal combustion engine vehicle sounds |
| 08/04/2005 | US20050168333 Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels |
| 08/04/2005 | US20050168282 Electronic circuit |
| 08/04/2005 | US20050168281 High-frequency power amplification electronic part and wireless communication system |
| 08/04/2005 | US20050168279 Large dynamic range programmable gain attenuator |
| 08/04/2005 | US20050168277 Amplifier arrangement and method for calibrating an amplifier arrangement |
| 08/04/2005 | US20050168261 High linearity large bandwidth, switch insensitive, programmable gain attenuator |
| 08/04/2005 | US20050168211 Power detector for mismatched load |
| 08/04/2005 | US20050168204 Attenuation control for digital power converters |
| 08/04/2005 | DE19882819B4 Optische Empfangsvorrichtung Optical receiving apparatus |
| 08/04/2005 | DE10361651A1 Verstärkeranordnung sowie Verfahren zum Kalibrieren einer Verstärkeranordnung Amplifier arrangement and method for calibrating an amplifier arrangement |
| 08/03/2005 | EP1560331A1 Variable gain amplifier circuit and radio machine |
| 08/03/2005 | EP1560197A2 Sound field control system and method |
| 08/03/2005 | CN2715424Y Automatic control gain frequency demultiplier integrating programmable control |
| 08/03/2005 | CN1650517A Gain control method and device and receiver with said device and portable mobile telephone set |
| 08/03/2005 | CN1650516A Digital automatic gain control for transceiver devices |
| 08/03/2005 | CN1213556C Cinema system for treating audio signal in consumer applications and relative method |
| 08/02/2005 | US6925114 Weak signal processing based on impulse noise blanking |
| 08/02/2005 | US6924698 Power detector for mismatched load |
| 08/02/2005 | US6924697 Semiconductor device and method thereof |
| 07/28/2005 | WO2005069518A1 Signal generation power management control system for portable communications device and method of using same |
| 07/28/2005 | US20050164722 Noise eliminator |
| 07/28/2005 | US20050164667 System and method for adjusting power amplifier output power in linear dB steps |
| 07/28/2005 | US20050163197 Spread-spectrum receivers with extended dynamic range |
| 07/28/2005 | US20050163081 Wireless transmitting and receiving device and method |
| 07/28/2005 | US20050162220 Adjustable bandwidth high pass filter for large input signal, low supply voltage applications |
| 07/28/2005 | US20050162210 Voltage subtracting circuit carrying out voltage subtraction by converting input voltage into current, intensity detecting circuit, and semiconductor integrated circuit device using the same |
| 07/27/2005 | EP1558060A2 Vehicle audio system surround modes |
| 07/27/2005 | EP1557956A1 Transmission power control device and method thereof, computer program for transmission power control device, and radio transmitter |
| 07/27/2005 | EP1557943A1 System and method for adjusting power amplifier output power in linear dB steps |
| 07/27/2005 | EP1557942A1 Reflected power suppression circuit |
| 07/27/2005 | EP1557680A1 Device for detecting the power of a radio frequency signal |
| 07/27/2005 | EP1556968A2 An integrated rf signal level detector usable for automatic power level control |
| 07/27/2005 | CN2713735Y Low-frequency amplification module with tracing filtration and digital gain control function |
| 07/27/2005 | CN1647396A Transmitter and wireless communication apparatus using the transmitter |
| 07/27/2005 | CN1647383A Controlling output power in cellular telephones |
| 07/27/2005 | CN1645755A Transmission power control device and method thereof, computer program for transmission power control device, and radio transmitter |
| 07/27/2005 | CN1212745C Radio frequency power amplifier module integrating power control circuit |
| 07/26/2005 | US6922553 Method and circuit for obtaining field strength information |
| 07/26/2005 | US6922474 Shock sound prevention circuit |
| 07/21/2005 | WO2005067243A1 Agc circuit arrangement for a tuner |
| 07/21/2005 | WO2005067187A1 Transmitter and method for scrambled bit transmission |
| 07/21/2005 | WO2005067174A1 Receiver and transmitter/receiver |
| 07/21/2005 | WO2005067156A2 Microwave frequency converter |
| 07/21/2005 | WO2005067140A1 Automatic gain control of a digital receiver for receiving discontinuous envelope signals |
| 07/21/2005 | WO2005002242A3 Examiner |
| 07/21/2005 | WO2004112384B1 Digital broadcast receiver |
| 07/21/2005 | US20050159119 Reflected power suppression circuit |
| 07/21/2005 | US20050159118 Method and apparatus for compensating code channel power in a transmitter |
| 07/21/2005 | US20050157885 Audio system parameter setting based upon operator usage patterns |
| 07/21/2005 | US20050156672 High frequency power amplifier circuit |
| 07/21/2005 | US20050156669 Transmission power control device and method thereof, computer program for transmission power control device, and radio transmitter |
| 07/21/2005 | US20050156662 Amplifier predistortion and autocalibration method and apparatus |
| 07/20/2005 | EP1555764A1 Method and apparatus for compensating code channel power in a transmitter |
| 07/20/2005 | EP1555754A1 Audio system parameter setting based upon operator usage patterns |
| 07/20/2005 | EP1555750A2 Noise eliminator |
| 07/20/2005 | CN1643799A Direct conversion of low power high linearity receiver |
| 07/20/2005 | CN1643788A Gain control for communications device |
| 07/20/2005 | CN1642363A Vehicle audio system surround modes |
| 07/20/2005 | CN1642025A Timing adjustment method for wireless communication apparatus |
| 07/20/2005 | CN1642002A Gain variable amplifier, carrier detection system, and infrared remote-control receiver using them |
| 07/20/2005 | CN1211948C Device for raising noise immunity of receiver and receiver circuit |
| 07/19/2005 | US6920334 Method and apparatus for providing gain control feedback in RF amplifiers |
| 07/19/2005 | US6920127 User equipment (UE) having an adaptive RF amplifier prelimiter |
| 07/19/2005 | US6919771 Digital amplifier |
| 07/19/2005 | US6919762 High frequency power amplifier electric parts and radio telecommunication system |
| 07/19/2005 | US6919761 Wideband variable gain amplifier with high linearity operating in switch mode |
| 07/19/2005 | US6919760 Linear-in-dB variable gain amplifier |
| 07/19/2005 | US6919710 Smoothing circuit |
| 07/14/2005 | WO2005064986A1 Audio output apparatus |
| 07/14/2005 | WO2005064790A2 Component and composite signal level controller |
| 07/14/2005 | WO2005064788A1 Power amplifier with serial interface and digital power control and associated methods |
| 07/14/2005 | US20050153671 Wireless communication apparatus and transmission power control method thereof |
| 07/14/2005 | US20050153669 Timing adjustment method for wireless communication apparatus |
| 07/14/2005 | US20050152705 Gain variable amplifier, carrier detection system, and infrared remote-control receiver using them |
| 07/14/2005 | US20050152562 Vehicle audio system surround modes |
| 07/14/2005 | US20050152558 Electronic circuit with reverberation effect and improved output controllability |
| 07/14/2005 | US20050151677 Analog front end circuit and method thereof |
| 07/14/2005 | US20050151587 Differential amplifier and calculation amplifier |
| 07/14/2005 | CA2550393A1 Component and composite signal level controller |
| 07/13/2005 | EP1553698A1 Gain control method, gain controller, receiver having the gain controller, and mobile telephone |
| 07/13/2005 | EP1553695A1 Start signal output circuit |
| 07/13/2005 | EP1552607A2 Methods of receiving communications signals including a plurality of digital filters having different bandwidths and related receivers |
| 07/13/2005 | EP1552606A1 Radio wave reception device, radio wave clock, and repeater |
| 07/13/2005 | EP1552603A1 A power amplifier system |