Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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03/09/2006 | US20060049870 Efficient generation of radio frequency currents |
03/09/2006 | DE102004040696A1 Terminal for secure voice transmission device e.g. for buildings, elevators public squares etc, uses adjustable amplifying device |
03/09/2006 | DE102004039830A1 Verstärkerschaltung mit einstellbarer wertdiskreter Verstärkung, Verwendung der Verstärkerschaltung und Verfahren zum Betreiben eines wertdiskret einstellbaren Verstärkers Amplifier circuit with adjustable worth discrete amplification, using the amplifier circuit and method for operating a value-discrete variable gain amplifier |
03/08/2006 | EP1632029A1 Method and system for continuously compensating for phase variations introduced into a communication signal by automatic gain control adjustments |
03/08/2006 | EP1632027A1 Channel selector with automatic gain control |
03/08/2006 | EP1362429A4 Cartesian loop systems with digital processing |
03/08/2006 | CN1745515A Method for controlling power for a mobile communications terminal |
03/08/2006 | CN1244983C Circuit of cancelling DC offset applied to variable gain amplifier |
03/07/2006 | US7010419 Signal processor |
03/07/2006 | US7010371 Digital audio signal player having a simulated analogue record |
03/07/2006 | US7010370 System and method for adjusting delay of an audio signal |
03/07/2006 | US7010284 Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier |
03/07/2006 | US7010282 Dynamic bias for RF power amplifiers |
03/07/2006 | US7010276 Communications signal amplifiers having independent power control and amplitude modulation |
03/07/2006 | US7010128 Method of processing and reproducing an audio stereo signal and an audio stereo signal reproduction system |
03/07/2006 | US7010057 Dual mode multi-slot EGPRS transmitter |
03/07/2006 | US7009449 Adjustable gain amplifier arrangement with relaxed manufacturing constraints |
03/02/2006 | WO2005110044A3 Dual-band cmos front-end with two gain modes |
03/02/2006 | WO2005104371A3 Method and circuit used to prevent or at least to reduce disturbance signals when switching off voltage supply, in particular in a household device |
03/02/2006 | US20060047507 Device and method for noise suppression |
03/02/2006 | US20060046666 Transmission device, transmission output control method, and radio communication device |
03/02/2006 | US20060045290 Mechanical roller controller |
03/02/2006 | US20060045283 Method And Related Apparatus For Generating Audio Reverberation Effect |
03/02/2006 | US20060044065 AGC circuit |
03/02/2006 | US20060042928 Pre-stressing uncoated piston ring, using electroplating or physical vapor deposition to produce anti-abrasion and anti-corrosion coating |
03/01/2006 | EP1224731B1 Improved predistortion compensation for a power amplifier |
03/01/2006 | EP1076929B1 Voice operated switch for use in high noise environments |
03/01/2006 | CN2762440Y Signal processing device |
03/01/2006 | CN1742514A Audio output level setting method and device |
03/01/2006 | CN1741388A Method and apparatus for correcting central frequency of power amplifier |
03/01/2006 | CN1741376A AGC circuit |
03/01/2006 | CN1741375A Amplified circuit capable of dynamic regulating supply voltage |
03/01/2006 | CN1741374A Amplifying device |
03/01/2006 | CN1740937A Regulator circuit capable of detecting variations in voltage |
02/28/2006 | US7006843 Method and apparatus for regulating the power of a transmit amplifier |
02/28/2006 | US7006645 Audio reproduction apparatus |
02/28/2006 | US7006070 Operational amplifier circuit, driving circuit, and driving method |
02/28/2006 | US7005923 Adaptive bias circuit for a power amplifier |
02/28/2006 | US7005922 Variable gain amplifier circuit and gain control method thereof |
02/23/2006 | WO2006019606A2 Auxiliary transistor gate bias control system and method |
02/23/2006 | WO2006018808A1 Speed- and user-dependent timbre and dynamic range control method, apparatus and system for automotive audio reproduction systems |
02/23/2006 | WO2006018784A2 High accuracy power detector for handset applications |
02/23/2006 | US20060041926 Voice control of multimedia content |
02/23/2006 | US20060040630 Apparatus for and method of optimizing the performance of a radio frequency receiver in the presence of interference |
02/23/2006 | US20060038617 Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics |
02/23/2006 | US20060038518 Amplitude regulation circuit and method, and motor driving control apparatus and method |
02/23/2006 | DE19742714B4 Regelverstärker Control amplifier |
02/22/2006 | EP1628394A1 Detection circuit and detection circuit adjustment method |
02/22/2006 | EP1628393A1 Optical control phased array antenna |
02/22/2006 | EP1400014B1 Power amplifier (pa) with improved power regulation |
02/22/2006 | CN1739236A Gain variable voltage/current conversion circuit and filter circuit using the same |
02/22/2006 | CN1738196A Method and device for realizing automatic gain control |
02/22/2006 | CN1738195A High frequency amplification circuit and mobile communication terminal using the same |
02/21/2006 | US7003468 Method, apparatus, and program for envelope generation, audio compression, and audio expansion |
02/21/2006 | US7003271 Direct conversion receiver having a gain-setting dependent filter parameter |
02/21/2006 | US7003120 Method of modifying harmonic content of a complex waveform |
02/21/2006 | US7003057 Reception AGC circuit |
02/21/2006 | US7002638 Automatic gain control |
02/21/2006 | US7002308 Motor driving control method and apparatus with amplitude regulation circuit |
02/16/2006 | WO2006016309A1 Rf power sensing circuit |
02/16/2006 | US20060034464 Sound reproduction device |
02/16/2006 | US20060033575 Variable-gain amplifier |
02/16/2006 | US20060033574 High linearity programmable gain amplifier using switch |
02/16/2006 | US20060033573 Amplifying circuit |
02/16/2006 | DE102004035609A1 Mobilfunkempfänger mit hybrider Einstellung der Verstärkung und entsprechendes Verfahren zur Einstellung der Verstärkung in einem Mobilfunkempfänger The mobile radio receiver with hybrid adjusting the gain and corresponding method for adjusting the gain in a mobile radio receiver |
02/16/2006 | DE102004034880A1 Supply circuit for a mobile phone transistor linear amplifier operates to vary the amplification |
02/16/2006 | DE102004034028A1 Einrichtung zur Speicherung von elektrischer Energie Means for storing electric energy |
02/15/2006 | EP1626508A1 Transmission output control circuit, and wireless device using the same |
02/15/2006 | EP1626498A2 Apparatus and method for controlling a digital automatic gain controller in an orthogonal frequency division multiple access communication system |
02/15/2006 | EP0850509B2 Linearized digital automatic gain control |
02/15/2006 | CN1736031A Apparatus, and an associated method, for increasing receiver sensitivity of a direct conversion receiver |
02/15/2006 | CN1734933A Automatic gain control system with self-adaptive climb and decay time |
02/15/2006 | CN1734932A Gain-changeable amplifying circuit |
02/15/2006 | CN1242557C Radio receiver and radio receiving method |
02/14/2006 | US6999740 Semiconductor integrated circuit and radio communication apparatus using same |
02/14/2006 | US6999737 Wireless transmitter and device for mobile station |
02/14/2006 | US6999735 Digital high frequency power detection circuit |
02/14/2006 | US6999592 Time and frequency windowed pocket cardiac stethoscope |
02/14/2006 | US6999591 Audio device characterization for accurate predictable volume control |
02/14/2006 | US6999524 Arrangement for controlling the output power of an HF transmitter |
02/14/2006 | US6999012 Temperature compensation device for automatic gain control loop |
02/14/2006 | US6998919 Temperature compensated power amplifier power control |
02/14/2006 | US6998918 Automatic current reduction biasing technique for RF amplifier |
02/09/2006 | WO2006013893A1 Transimpedance amplifier |
02/09/2006 | WO2006013786A1 Reception control circuit and reception control method |
02/09/2006 | WO2006013497A1 Determining the current value of a transmission power of a radio telecommunication device |
02/09/2006 | WO2006013019A1 Controllable power operational transconductance amplifier |
02/09/2006 | US20060030284 Reception control circuit and reception control method |
02/09/2006 | US20060030283 Cellular telephone |
02/09/2006 | US20060030274 Highly accurate temperature sensor employing mixed-signal components |
02/09/2006 | US20060029243 Dynamic acoustic rendering |
02/09/2006 | US20060029237 Audio apparatus for vessel |
02/09/2006 | US20060029232 Dynamic volume adjustment in a slot machine |
02/09/2006 | US20060028280 Modulation dependent biasing for efficient and high linearity power amplifiers |
02/09/2006 | US20060028279 Automatic gain control feedback amplifier |
02/09/2006 | US20060028277 Power amplifier module |
02/09/2006 | US20060028270 Adaptable voltage control for a variable gain amplifier |
02/08/2006 | EP1624566A1 Navigation assisted speed dependent volume control |
02/08/2006 | EP1624565A1 OFDM receiver and receiving method |
02/08/2006 | EP1624564A1 Controllable power operational transconductance amplifier |