| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 07/13/2005 | CN1639968A Electronic component for amplifying high frequency power and radio communication system |
| 07/13/2005 | CN1639966A Method of adjusting gain and current consumption of a power amplifier circuit while maintaining linearity |
| 07/13/2005 | CN1638368A Wireless transmitting and receiving device and method |
| 07/13/2005 | CN1638304A Method and apparatus for increasing receiver immunity to interference |
| 07/13/2005 | CN1638265A Tuning circuit with amplitude attenuation function and integrated circuit for radio communication apparatus |
| 07/13/2005 | CN1638101A Inductor element containing circuit board and power amplifier module |
| 07/13/2005 | CN1210874C System for closed loop power control using linear or non-linear power amplifier |
| 07/12/2005 | US6917823 Cellular telephone |
| 07/12/2005 | US6917233 Limiting amplifier and method for amplifying an input signal |
| 07/12/2005 | CA2298992C Temperature compensated high performance oscillator |
| 07/07/2005 | WO2005062663A1 Audio output level setting method and device |
| 07/07/2005 | WO2005060451A2 Adaptive transmit power control system |
| 07/07/2005 | WO2005048644A3 System and method for controlling audio output |
| 07/07/2005 | US20050148300 Signal generation power management control system for portable communications device and method of using same |
| 07/07/2005 | US20050147263 Loudspeaker system |
| 07/07/2005 | US20050147256 Automated presentation of entertainment content in response to received ambient audio |
| 07/07/2005 | US20050147193 Tuning circuit with amplitude attenuation function and integrated circuit for radio communication apparatus |
| 07/07/2005 | US20050147192 High frequency signal receiver and semiconductor integrated circuit |
| 07/07/2005 | US20050146389 Split cascode line amplifier for current-mode signal transmission |
| 07/07/2005 | US20050146379 High frequency power amplifier circuit |
| 07/06/2005 | EP1550212A2 Variable gain amplifier with improved control characteristics linearity |
| 07/06/2005 | EP1149467B1 Amplifier |
| 07/06/2005 | EP1043844B1 Communication station, method and network for power control in spread spectrum systems |
| 07/06/2005 | CN1636319A Gain linearizer for variable gain amplifiers |
| 07/06/2005 | CN1636318A Agc circuit |
| 07/06/2005 | CN1636317A Variable gain amplifier with autobiasing supply regulation |
| 07/06/2005 | CN1636315A Current modulator with dynamic amplifier impedance compensation |
| 07/06/2005 | CN1635707A An automatic gain control system and method |
| 07/06/2005 | CN1209883C System and method for dynamically adjusting working bias of RF power amplifiers |
| 07/05/2005 | US6915141 Secondary automatic gain control loops for direct conversion CDMA receivers |
| 07/05/2005 | US6914990 Volume adjusting apparatus, method and computer program product |
| 07/05/2005 | US6914482 Power amplifier module for wireless communication devices |
| 07/05/2005 | US6914481 High frequency power amplifier apparatus and power amplifier module use the same |
| 07/05/2005 | US6914480 High frequency power amplifier and wireless communication module |
| 07/05/2005 | CA2273151C Efficient parallel-stage power amplifier |
| 06/30/2005 | WO2005060135A1 Automatic gain control apparatus and method in orthogonal frequency division multiplexing |
| 06/30/2005 | WO2005060112A2 Method and architecture for dual-mode linear and saturated power amplifier operation |
| 06/30/2005 | WO2005060090A1 A power amplifier module and a time division multiple access radio |
| 06/30/2005 | WO2005043746A3 Amplifier control based on load impedance and methods |
| 06/30/2005 | WO2005025053A3 Dual mode multi-slot egprs transmitter |
| 06/30/2005 | WO2004055980A3 System for regulating the level of an amplified signal in an amplification chain. |
| 06/30/2005 | US20050143942 Multi-channel amplifier having programmable operational characteristics controlled with a serial interface |
| 06/30/2005 | US20050143109 Noise eliminating apparatus and receiver |
| 06/30/2005 | US20050143034 RF integrated circuit with signal gain adjustment |
| 06/30/2005 | US20050143033 Gain control circuit, and a radio communication apparatus using the same |
| 06/30/2005 | US20050143028 DC offset-free RF front-end circuits and systems for direct conversion receivers |
| 06/30/2005 | US20050141732 Amplifying apparatus |
| 06/30/2005 | US20050141656 Apparatus and method for enhancing a reception rate of a receiver |
| 06/30/2005 | US20050141640 Amplifying apparatus |
| 06/30/2005 | US20050140454 Pre-amplifier for an optical communication |
| 06/30/2005 | US20050140451 Fine step and large gain range programmable gain amplifier |
| 06/30/2005 | US20050140450 Digital compensation for offset and gain correction |
| 06/30/2005 | US20050140436 Dual band power amplifier module for wireless communication devices |
| 06/30/2005 | US20050140435 R F output power control |
| 06/30/2005 | US20050140434 Inductor element containing circuit board and power amplifier module |
| 06/30/2005 | US20050140432 Supplying a ramp voltage to an amplifier |
| 06/29/2005 | EP1549121A2 Inductor element containing circuit board and power amplifier module |
| 06/29/2005 | EP1548958A2 Wireless transmitting and receiving device and method |
| 06/29/2005 | EP1548949A1 Transmitting method and transmitter apparatus |
| 06/29/2005 | EP1548929A1 Digital detector utilizable in providing closed-loop gain control in a transmitter |
| 06/29/2005 | EP1548707A2 Noise eliminating apparatus and receiver |
| 06/29/2005 | EP1547433A1 Audio amplifier with local interface system |
| 06/29/2005 | EP1547242A2 Device and method for determining the level of an input signal intended to be applied to a receiving system |
| 06/29/2005 | EP1545729A2 Gaming machine with automatic sound level adjustment and method therefor |
| 06/29/2005 | EP1203446B1 Automatic gain control in a zero intermediate frequency radio device |
| 06/29/2005 | EP1186098B1 Measuring antenna signal strength with automatic gain control receiver |
| 06/29/2005 | CN2706963Y Mount capable of quickly assembling and detaching attenuator |
| 06/28/2005 | US6912501 Use of voice-to-remaining audio (VRA) in consumer applications |
| 06/28/2005 | US6912377 Leak power ratio detection circuit, mobile communication terminal, and control circuit for mobile communication terminal |
| 06/28/2005 | US6911865 Method and system for producing a drive signal for a current steering amplifier |
| 06/28/2005 | US6911644 Automatic gain control device for a burst-mode optical receiver |
| 06/28/2005 | CA2221685C A cartesian loop transmitter |
| 06/23/2005 | WO2005057575A1 Method and system for controlling the level of a data signal read from an optical disc |
| 06/23/2005 | US20050136962 Component and composite signal level controller |
| 06/23/2005 | US20050136872 Mobile communication terminal apparatus, a variable gain amplifier circuit and a gain control circuit |
| 06/23/2005 | US20050136869 System and method for RF power control |
| 06/23/2005 | US20050136865 Power amplifier with digital power control and associated methods |
| 06/23/2005 | US20050136854 Transmitter |
| 06/23/2005 | US20050136847 Communication semiconductor integrated circuit device and electrical apparatus |
| 06/23/2005 | US20050135638 Sound output method and apparatus |
| 06/23/2005 | US20050135515 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system |
| 06/23/2005 | US20050135513 Automatic gain control apparatus |
| 06/23/2005 | US20050135506 Digital detector utilizable in providing closed-loop gain control in a transmitter |
| 06/23/2005 | US20050135502 Method and architecture for dual-mode linear and saturated power amplifier operation |
| 06/23/2005 | DE10035060B4 Leistungsverstärkungsschaltung mit einer einstellbaren Impedanz am Ausgang zum Steuern des Spitzen-Mittelwert-Leistungs-Verhältnisses des verstärkten Signals und Verfahren Power amplifier circuit with an adjustable impedance at the output for controlling the peak to average power ratio of the amplified signal and method |
| 06/22/2005 | EP1545021A1 CDMA wireless transmitter-receiver system and transmission power control method of a CDMA wireless transmission apparatus |
| 06/22/2005 | EP1544996A1 Volume adjustment device, digital amplifier, and digital signal reproducing device |
| 06/22/2005 | EP1543639A1 A transmitter and a method of calibrating power in signals output from a transmitter |
| 06/22/2005 | EP1543627A2 System and method for antenna diversity using equal power joint maximal ratio combining |
| 06/22/2005 | EP1543614A1 Preserving linearity of a rf power amplifier |
| 06/22/2005 | EP1543613A1 Mitigating the impact of phase steps |
| 06/22/2005 | EP1543612A2 Power supply based audio compression for digital audio amplifier |
| 06/22/2005 | CN1630209A 无线接收装置 Radio receiving apparatus |
| 06/22/2005 | CN1629762A Current switch circuit, amplifier, and mobile terminal |
| 06/21/2005 | US6909787 Method and related apparatus for stereo vocal cancellation |
| 06/21/2005 | US6909323 Variable gain amplifier |
| 06/21/2005 | CA2467295C Method and apparatus for increasing receiver immunity to interference |
| 06/21/2005 | CA2467276C Method and apparatus for increasing receiver immunity to interference |
| 06/16/2005 | WO2005055447A1 Reception device and reception method |
| 06/16/2005 | WO2005055421A1 Programmable automatic gain control according to transmission protocols |