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)
04/2003
04/24/2003US20030076170 Variable-gain amplifier
04/24/2003US20030076168 Systems and methods for controlling output power in a communication device
04/23/2003EP1303910A2 Agc circuit
04/23/2003CN1412956A Variable gain amplifier and radio communication device
04/23/2003CN1412953A Gain control method for short pulse transmission signal receiver and receiver using it
04/23/2003CN1106781C Power control circuit of radio communication system and method thereof
04/23/2003CN1106758C Circuit for automatically adjusting input sensitivity of audio signal in monitor
04/23/2003CN1106719C 数据传输系统 The data transmission system
04/22/2003US6553213 Transmitter output power detecting circuit
04/22/2003US6553212 Method and apparatus for improving loop stability and speed of a power control loop
04/22/2003US6553084 Digital automatic gain control linearizer and digital automatic gain control circuit using the same
04/22/2003US6552614 Broadband cable modem amplifier with programmable bias current
04/22/2003US6552608 Linear amplifier
04/17/2003WO2003032519A2 Single output stage power amplification for multimode applications
04/17/2003WO2002060072A3 Radio frequency transmitter and methods thereof
04/17/2003US20030073420 System and method for controlling transmitter output levels in a wireless communications device
04/17/2003US20030073419 Power control in polar loop transmitters
04/17/2003US20030073418 Single output stage power amplification for multimode applications
04/16/2003EP1303040A2 Gain control method for receiving signals transmitted in bursts and receiver using such method
04/16/2003EP1301841A2 Bis circuit for establishing a plurality of bias voltages
04/16/2003EP0870361B1 Efficient parallel-stage power amplifier
04/16/2003CN1411312A Apparatus and method for compensating transmitting power in mobile terminal
04/16/2003CN1411160A Automatic gain controlled wireless apparatus and gain controlling method
04/16/2003CN1411142A 可变增益放大器 Variable gain amplifier
04/16/2003CN1411141A Analog-digital converter
04/16/2003CN1106068C Dual action automatic sound level controller
04/15/2003US6549630 Signal expander with discrimination between close and distant acoustic source
04/15/2003US6549075 Method of configuring a switch network for programmable gain amplifiers
04/15/2003US6549068 System and method for operating an RF power amplifier
04/10/2003WO2003030356A2 Automatic gain control circuit and an rf receiver and method using such a circuit
04/10/2003US20030069049 Method and arrangement for gain control
04/10/2003US20030068997 Method for driving a receiver stage and respective apparatus
04/10/2003US20030068991 Apparatus and method for compensating transmission power in mobile terminal
04/10/2003US20030067353 Low voltage input current mirror circuit and method
04/10/2003DE10029057C2 Mobiltelefon mit einer Digitalisierungskette mit rasch veränderlichem Verstärkungsgrad und Digitalisierungsverfahren durch ein solches Telefon Mobile phone with a digitization chain with rapidly varying gain and digitization processes under such phone
04/09/2003EP1300957A1 Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference
04/09/2003EP1300944A2 Variable gain amplifying apparatus and wireless communication apparatus
04/09/2003EP1300943A2 Apparatus and method for compensating transmission power in mobile terminal
04/09/2003EP1299944A2 Extended range variable gain amplifier
04/09/2003EP1299922A2 Successive log video pad power detector and method
04/09/2003EP0886914B1 Method for regulating power without analog control loop and related device
04/09/2003CN1409507A Radio communication receiver
04/09/2003CN1409484A Amplifier for alternating signal overlapped on continuous signals and its amplifying method
04/08/2003US6545620 Current-to-voltage converter with controllable gain, and signal processing circuit comprising such a converter
04/08/2003US6545537 Automatic gain control circuit, and optical receiver using the same
04/08/2003US6545487 System and method for producing an amplified signal with reduced distortion
04/03/2003WO2003028210A1 Variable gain amplifier of low power consumption
04/03/2003WO2003017553A3 Apparatus and method for controlling adaptive circuits
04/03/2003US20030064696 Wireless communication receiver
04/03/2003US20030064695 LNA gain adjustment in an RF receiver to compensate for intermodulation interference
04/03/2003US20030064692 Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference
04/03/2003US20030062950 Transmission power controller circuit
04/03/2003US20030062885 Method and apparatus for removing noise spikes
04/02/2003EP1298806A1 LNA gain adjustment in an RF receiver to compensate for intermodulation interference
04/02/2003EP1298795A2 Variable gain amplifier
04/02/2003EP1298794A2 Pop sound reduction circuit and voice output amplification device
04/02/2003EP1201029B1 Automatic gain control and offset correction
04/02/2003CN1407716A Gain variable amplifier
04/02/2003CN1104774C 增益控制 Gain Control
04/01/2003US6542029 Variable-slope variable-gain amplifier
04/01/2003US6542024 Circuits and methods for controlling transients during audio device power-down, and systems using the same
03/2003
03/27/2003WO2003026333A1 Amplifier power detection circuitry
03/27/2003WO2003001701A3 System and method for power control calibration in a wireless communication device
03/27/2003US20030060179 Dynamic path gain compensation for radios in wireless communication systems
03/27/2003US20030059065 Automatic gain control
03/27/2003US20030059064 Streaming normalization
03/27/2003US20030059063 Amplifier with limiter
03/27/2003US20030058048 Variable gain amplifier
03/27/2003US20030058045 Power control in RF amplifiers
03/27/2003US20030058041 Variable gain amplifier
03/27/2003US20030058040 Pop sound reduction circuit and voice output amplification device
03/27/2003US20030058037 Radio apparatus carrying out automatic gain control and gain control method
03/26/2003EP1296498A1 Method and apparatus for controlling the operation of a mobile communication device depending on ambient conditions
03/26/2003EP1296450A2 Amplifier with limiter
03/26/2003EP1296449A1 Automatic gain control
03/26/2003EP1295388A1 Signal modulation
03/26/2003EP1295387A2 Improved multi-carrier receiver for a radio telecommunications network
03/26/2003CN1406411A Multiple stage high dynamic range variable gain amplifier
03/26/2003CN1104088C Secondary surveillance radar
03/25/2003US6539052 System for accelerating the reconfiguration of a transceiver and method therefor
03/25/2003US6538507 Automatic gain control circuit with high linearity and monotonically correlated offset voltage
03/20/2003WO2003023961A1 Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method
03/20/2003US20030055635 Segmented mapping converter system and method
03/20/2003US20030054787 Gigabit ethernet transceiver with analog front end
03/20/2003US20030054780 High frequency power amplifying circuit, and mobile communication apparatus using it
03/20/2003US20030054778 Amplifier power detection circuitry
03/20/2003US20030053641 System and method for split automatic gain control
03/20/2003US20030052736 Radio frequency amplifier and television tuner
03/20/2003US20030052731 Linear voltage subtractor/adder circuit and MOS differential amplifier circuit therefor
03/20/2003DE10035065C2 Leistungsverstärkerschaltung mit Versorgungseinstellung zum Steuern des Spitzen-Mittelwert-Leistungsverhältnisses des verstärkten Signals und Verfahren zum Verstärken A power amplifier circuit with supply setting for controlling the peak-to-average power ratio of the amplified signal and method for enhancing
03/19/2003EP1293798A2 Method for controlling the output power of a T/R module of an active phased array radar antenna
03/19/2003CN1404666A Method for repeating isofrequency signals and isofrequency signal repeater
03/19/2003CN1404652A Amplifier having stacked current-driven current drivers
03/19/2003CN1404230A Signal multiplexer and multiplexing method
03/19/2003CN1103514C Power supply circuit for power amplifier of mobile radio communication terminal
03/18/2003US6535724 Receiver portion of a telephone
03/18/2003US6535067 Power saturation control of class C bipolar amplifiers
03/18/2003US6535066 Dynamic RF amplifier bias control for digital wireless communications devices
03/18/2003US6535065 Variable-gain circuit
03/13/2003WO2002080356A3 Current sense automatic level control system with pre-bias
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