Patents
Sitemap › H03 - Basic electronic circuitry › H03G - Control of amplification › H03G 3 - Gain control in amplifiers or frequency changers
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
03/2003
03/13/2003WO2002056458A3 A fully differential, variable-gain amplifier and a multidimensional amplifier arrangement
03/13/2003WO2002011282A3 Automatic gain control of a closed loop fiber optic gyroscope using non-linear control laws
03/12/2003EP1292021A2 Radio frequency amplifier and television tuner
03/12/2003EP1290919A2 Method and apparatus for programmable power curve and wave generator
03/12/2003EP1290804A1 Digitized automatic gain control system and methods for a controlled gain receiver
03/12/2003EP0891652B1 Method for automatically adjusting audio response for improved intelligibility
03/12/2003CN1103173C Transmission powder control device capable of varying transmission power at wide rance
03/12/2003CN1103146C Method and device for generating gain control signals
03/12/2003CN1103136C Linear digital autoamtic gain control
03/12/2003CN1103135C Method and device for increasing anti-interference of receiver
03/11/2003US6532391 Automatic gain control device and method for base band signaling in communications
03/11/2003US6532358 Overload distortion protection for a wideband receiver
03/11/2003US6532357 Radio communication device and transmission power control method for radio communication device
03/11/2003US6531923 Low voltage input current mirror circuit and method
03/11/2003US6531920 Differential amplifier circuit
03/11/2003US6531860 Integrated power detector with temperature compensation
03/11/2003CA2188080C Apparatus for controlling the conversion gain of a down converter
03/06/2003WO2003019775A2 Audio processing device
03/06/2003WO2002013379A3 Amplifier with a universal automatic gain control circuit
03/06/2003US20030045257 Transmission output correcting apparatus
03/06/2003US20030045250 Method and apparatus for detecting power levels of varying envelope signals
03/06/2003US20030045247 Amplifying device
03/06/2003US20030045243 Method and arrangement for linearizing a radio receiver
03/06/2003US20030044028 Dynamic gain control of audio in a communication device
03/06/2003US20030044027 Volume circuit using resistive ladder circuits
03/06/2003US20030042885 Integrated power detector with temperature compensation
03/05/2003EP1287620A1 Method and system for power line null detection and automatic frequency and gain control
03/05/2003CN1400739A Directly converting receiver
03/04/2003US6529718 Receiver with a search circuit
03/04/2003US6529716 RF transmitter with extended efficient power control range
03/04/2003US6529710 Radio frequency (RF) system loss compensation method
03/04/2003US6529607 Method for producing a constant sound pressure level in hearing aids and corresponding hearing aid
03/04/2003US6529605 Method and apparatus for dynamic sound optimization
03/04/2003US6528777 Optical power meter derived from common-mode voltage of optical transimpedance amplifier
03/04/2003US6528403 Fabrication process of a semiconductor integrated circuit device
02/2003
02/27/2003WO2003017553A2 Apparatus and method for controlling adaptive circuits
02/27/2003WO2003017506A2 Device and method for offset calibration of the power control signal of radio devices
02/27/2003WO2003017477A2 Method and apparatus for protecting devices in an rf power amplifier
02/27/2003WO2003017476A1 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier
02/27/2003WO2003017475A1 Method and system for multiple tuner application using a low noise broadband distribution amplifier
02/27/2003WO2003017474A1 System and method for activating gain stages in an amplification module
02/27/2003WO2003017470A1 Method and system for producing a drive signal for a current steering amplifier
02/27/2003WO2003017468A2 A system and method for minimizing dissipation in rf power amplifiers
02/27/2003WO2003017454A1 Thermal compensation method and device for circuits with temperature-dependent current sensing elements
02/27/2003WO2002047245A3 Method and device for regulating the power of millimeter waves for a v-band tr module
02/27/2003US20030040343 Power amplifier control
02/27/2003US20030040290 Power characteristic of a radio transmitter
02/27/2003US20030039127 Thermal compensation method and device for circuits with temperature-dependent current sensing elements
02/27/2003US20030038676 Dual current mirror power amplifier bias control
02/27/2003CA2495113A1 Apparatus and method for controlling adaptive circuits
02/26/2003EP1286463A2 Gain control amplifier
02/26/2003CN1399816A Signal level adjustment arrangement
02/26/2003CN1399813A Method and circuit for distortion compensation and output control
02/26/2003CN1399414A Radio communication device
02/26/2003CN1102328C 移动电话装置 Mobile telephone device
02/25/2003US6526266 Transmission electric power control device and control method
02/25/2003US6525605 Power amplifier system having frequency and amplifier failure compensation
02/20/2003WO2003015366A1 All digital automatic gain control circuit
02/20/2003US20030035549 Signal processing system and method
02/20/2003US20030035070 Method and system for multiple tuner application using a low noise broadband distribution amplifier
02/20/2003US20030034845 Gain Control amplifier
02/20/2003US20030034843 System and method for activating gain stages in an amplification module
02/20/2003US20030034842 Method and system for producing a drive signal for a current steering amplifier
02/20/2003US20030034841 Variable gain amplifier
02/20/2003US20030034839 System and method for minimizing dissipation in RF power amplifiers
02/20/2003US20030034838 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier
02/20/2003US20030034834 Apparatus and method for controlling adaptive circuits
02/19/2003EP1284075A1 Gain controller for quadrature tranceiver
02/19/2003CN1398136A Radio transmitter and appliance for mobile station
02/19/2003CN1398056A Gain-variable amplifier for transmitting end
02/19/2003CN1101996C Mobile station and wireless telecom equipment of CDMA cellular telephone system
02/18/2003US6522870 Automatic gain-controlled VHF/UHF antenna tuning apparatus
02/18/2003US6522367 Cable television (CATV) tuner for enhanced signal communication between subscribers in a CATV system
02/18/2003US6522202 Current controlled power amplifier
02/13/2003WO2003013190A2 Agc receiver in a wireless communication system
02/13/2003WO2003013036A1 Automatic gain controlling device and method, and radio communication device
02/13/2003WO2003013012A1 Receiver
02/13/2003WO2003012984A2 Adaptive automatic gain control
02/13/2003WO2002067419A3 Power controller for a mobile terminal
02/13/2003US20030032402 Analog signal control method, analog signal controller, and automatic gain controller
02/13/2003US20030032397 Method and transmission circuit for generating a transmission signal
02/13/2003DE10209323C1 Automatic signal level adjustment method for speech recognition system uses adjustment of amplification factor dependent on measured speech signal level
02/12/2003EP1283567A2 Automatic gain control device of optical fiber amplifier
02/12/2003EP1282939A2 Rf power amplifier having high power-added efficiency
02/12/2003EP1206834B1 Methods for calibration of radio devices at room temperature
02/12/2003CN1397063A Method for control of unit comprising acoustic output device
02/12/2003CN1396721A Method and device for raising noise immunity of receiver
02/11/2003US6519450 Radio broadcasting receiver
02/11/2003US6519293 Radio transmitter and radio communication method
02/11/2003US6518843 Variable gain type amplifier
02/11/2003US6518840 Circuit for linearizing the power control profile of a BiCMOS power amplifier
02/11/2003CA2125939C Apparatus for selecting the operating point of an amplifier stage
02/06/2003US20030028570 Adaptive equalizer with gain controlled initialization
02/06/2003US20030027610 Secondary automatic gain control loops for direct conversion CDMA receivers
02/06/2003US20030027543 Direct conversion receiver
02/06/2003US20030027539 Directional coupler, high frequency circuit module and wireless communication system
02/06/2003US20030027538 Receiving apparatus and a receiver system having the receiving apparatus
02/06/2003US20030027537 Providing automatic gain control stability
02/06/2003US20030026364 Broadcast receiver having automatic gain control function
02/06/2003US20030026363 Adaptive automatic gain control
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