| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 01/27/2004 | US6683496 System and method for minimizing dissipation in RF power amplifiers |
| 01/22/2004 | WO2004008630A2 Amplifying circuit with adjustable amplification and transmitter system comprising such an amplifying circuit |
| 01/22/2004 | WO2003067800A3 Radio frequency characterization of cable plant and corresponding calibration of communication equipment communicating via the cable plant |
| 01/22/2004 | US20040014450 Signal receiving apparatus and gain control method using analog control AGC and step control AGC |
| 01/22/2004 | US20040014441 Method and device for automatic gain control |
| 01/22/2004 | US20040014439 Gain control device for packet signal receiver |
| 01/22/2004 | US20040014436 Amplitude limitation |
| 01/22/2004 | US20040012907 Transmission power control circuit |
| 01/22/2004 | US20040012446 Accurate power sesning circuit for power amplifiers |
| 01/22/2004 | US20040012442 Power amplifier module for wireless communication devices |
| 01/22/2004 | US20040012440 Circuit and method for a transimpedance audio amplifier providing variable gain while maintaining load impedance |
| 01/22/2004 | DE10230168A1 Pegelumsetz-Einrichtung Pegelumsetz device |
| 01/21/2004 | EP1382171A1 Dynamically varying linearity system for an rf front-end of a communication device |
| 01/21/2004 | EP1382114A2 Circuit arrangement and method for adjusting the operating point of a power amplifier |
| 01/21/2004 | EP0919082B1 A differential amplifier, an integrated circuit, and a telephone |
| 01/21/2004 | CN1470108A Selectively activated AGC signal measurement unit |
| 01/21/2004 | CN1470107A Signal strength compensation for mobile radio channels that considerably vary with time |
| 01/21/2004 | CN1470104A Apparatus and method for optimizing the level of RF signals based upon the information stored on a memory |
| 01/21/2004 | CN1470103A Apparatus and method for optimizing the level of RF signals |
| 01/21/2004 | CN1135835C Four-phase shift keying modulated signal receiving assembly |
| 01/21/2004 | CN1135690C Power-saving dvice and method for radio communication terminal |
| 01/20/2004 | US6681101 RF transmitter with extended efficient power control range |
| 01/20/2004 | US6681100 Smart amplifier for time division duplex wireless applications |
| 01/20/2004 | US6680658 Modulation circuit for wireless installation |
| 01/20/2004 | US6680640 High linearity large bandwidth, switch insensitive, programmable gain attenuator |
| 01/20/2004 | CA2261798C Headset interface |
| 01/15/2004 | WO2004006476A1 Radio receiver |
| 01/15/2004 | WO2004006452A1 A control system for controlling an output signal power level of a wireless transmitter |
| 01/15/2004 | WO2004006430A1 Agc circuit |
| 01/15/2004 | WO2004006429A1 Semiconductor integrated circuit and semiconductor integrated circuit manufacturing method |
| 01/15/2004 | WO2002065633A3 Method and apparatus for a transceiver having a constant power output |
| 01/15/2004 | US20040009758 Fast attack automatic gain control (AGC) circuit for narrow band systems |
| 01/15/2004 | US20040008851 Digital compressor for multi-channel audio system |
| 01/15/2004 | US20040008765 Joint adaptive optimization of soft decision device and feedback equalizer |
| 01/14/2004 | EP1380103A2 Regulation for saturated systems |
| 01/14/2004 | CN1468464A Configurable power amplifier and bias control |
| 01/14/2004 | CN1467911A Variable gain control circuit and integrated circuit device having the same |
| 01/14/2004 | CN1135001C Telephone system comprising base station and mobile phone, using method and used subscriber station and base station |
| 01/14/2004 | CN1134901C High-frequency amplifier, transmitting device, receiving device and method for controlling amplifier status |
| 01/13/2004 | US6678509 Communication receiver having reduced dynamic range by reducing the fixed range of the amplifier and increasing the variable gain via a gain control circuit |
| 01/13/2004 | US6678382 Digital attenuator |
| 01/13/2004 | US6678380 Audio system |
| 01/13/2004 | US6677823 Gain compensation circuit using a variable offset voltage |
| 01/13/2004 | US6677819 Power amplifier unit |
| 01/13/2004 | US6677812 Method and apparatus for removing noise spikes |
| 01/08/2004 | WO2004004150A1 Transmitter gain control for cdma signals |
| 01/08/2004 | WO2002047260A3 Am receiver with audio filtering means |
| 01/08/2004 | US20040005067 Drive apparatus for volume control devices |
| 01/08/2004 | US20040004933 Receiver and method for WLAN burst type signals |
| 01/08/2004 | US20040004673 Automatic gain control apparatus for video signal and adjusting method thereof |
| 01/07/2004 | EP1378993A2 Low power regulated amplifier in a transponder |
| 01/07/2004 | CN1134112C Mobile station having emitting power control system and method for compensating emitting power |
| 01/07/2004 | CN1134104C System for improving dynamic range of ransmitter power measuremkent in cellular telephone |
| 01/06/2004 | US6675125 Statistics generator system and method |
| 01/06/2004 | US6675000 Radio communication apparatus and transmission power control method therein |
| 01/06/2004 | US6674999 Dynamically varying linearity system for an RF front-end of a communication device |
| 01/06/2004 | US6674998 System and method for detecting and correcting phase error between differential signals |
| 01/06/2004 | US6674327 Combined multiplexer and switched gain circuit |
| 01/02/2004 | EP1374447A1 System and method for uplink power control |
| 01/02/2004 | EP1374439A1 Automatic gain control method for highly integrated communication receiver |
| 01/02/2004 | EP1374397A2 Receiver circuit for mobile radio receivers with automatic amplification control |
| 01/02/2004 | EP1374396A1 Variable gain low-noise amplifier for a wireless terminal |
| 01/02/2004 | EP1374388A1 Bias adjustment for power amplifier |
| 01/01/2004 | US20040002313 Signal level control |
| 01/01/2004 | US20040002308 Wireless communication device |
| 01/01/2004 | US20040001558 Transmitter gain control for CDMA signals |
| 01/01/2004 | US20040000954 Power amplifier having a bias current control circuit |
| 12/31/2003 | WO2004002006A1 Method for tuning an envelope tracking amplification system |
| 12/31/2003 | CN1465151A Automatic gain control circuit and method thereof, and demodulation apparatus using the same |
| 12/31/2003 | CN1133306C High frequency radio signal receiving device for digit communication |
| 12/31/2003 | CN1133279C Autogain control circuit and receiver having said circuit |
| 12/31/2003 | CA2489796A1 Method for tuning an envelope tracking amplification system |
| 12/30/2003 | US6671504 Radio squelch techniques |
| 12/30/2003 | US6671503 Wireless microphone system |
| 12/30/2003 | US6671502 Control device for radio repeater in communication field |
| 12/30/2003 | US6671336 Gain controller for circuit having in-phase and quadrature channels, and method |
| 12/30/2003 | US6671335 Decoder having a gain controller in a mobile communication system |
| 12/30/2003 | US6671308 Spread spectrum adaptive power control |
| 12/30/2003 | US6670914 RF system for rejection of L-band jamming in a GPS receiver |
| 12/30/2003 | US6670901 Dynamic range on demand receiver and method of varying same |
| 12/30/2003 | US6670849 System for closed loop power control using a linear or a non-linear power amplifier |
| 12/30/2003 | US6670848 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier |
| 12/25/2003 | US20030236065 Digital video broadcast-terrestrial (DVB-T) receiver interoperable with a GSM transmitter in a non-interfering manner |
| 12/25/2003 | US20030235316 Method and apparatus for recording live performances |
| 12/25/2003 | US20030234691 Current-voltage conversion circuit |
| 12/25/2003 | US20030234690 Variable gain control circuit and integrated circuit device having the same |
| 12/24/2003 | WO2002065634A3 Power amplifier system having frequency and amplifier failure compensation |
| 12/24/2003 | CN1132454C Spread spectrum communication appts. and signal intensity detection appts. |
| 12/23/2003 | US6668164 Method and apparatus for reducing intermodulation distortion in a low current drain automatic gain control system |
| 12/23/2003 | US6667657 RF variable gain amplifying device |
| 12/18/2003 | WO2003105390A2 System and method for a direct conversion multi-carrier processor |
| 12/18/2003 | WO2003105386A2 Digital video broadcast-terrestrial (dvb-t) receiver interoperable with a gsm transmitter in a non-interfering manner |
| 12/18/2003 | WO2003105338A1 Power amplifying system with supply and bias enhancements |
| 12/18/2003 | WO2003104925A2 Method and system for all digital gain control |
| 12/18/2003 | WO2003104924A2 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 12/18/2003 | WO2003005575A3 Power-controlled transmitter arrangement |
| 12/18/2003 | WO2002095938A3 Db-linear variable gain amplifier (vga)stage with a high broad band |
| 12/18/2003 | WO2002060052A3 Precision automatic gain control circuit |
| 12/18/2003 | US20030233202 Control loop apparatus, current measuring circuit apparatus and methods therefor |
| 12/18/2003 | US20030232608 Receiver and method for generating a control signal |