Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
09/2010
09/01/2010EP2223429A1 Multiport amplifiers in communications satellites
09/01/2010EP2156551B1 Configurable, variable gain lna for multi-band rf receiver
09/01/2010CN201571021U Power amplifier biasing circuit with temperature compensation function
09/01/2010CN201571020U 2A3 power electronic tube drive circuit
09/01/2010CN201571019U Linear drive circuit
09/01/2010CN101820252A Narrowband low noise amplifier capable of automatically tuning center frequency
09/01/2010CN101820251A Ultra-low power consumption low-noise amplifier structure and preparation method thereof
09/01/2010CN101267193B Semiconductor integrated circuit performing a voltage comparison and preventing deterioration of voltage comparison accuracy
09/01/2010CN101204008B Buffer circuit
09/01/2010CN101043201B Semiconductor integrated circuit
08/2010
08/31/2010US7787969 Virtual sensor system and method
08/31/2010US7787937 Methods, systems, and associated implantable devices for detecting radiation in patients undergoing treatment for cancer
08/31/2010US7787642 Low-power high-PSRR current-mode microphone pre-amplifier system and method
08/31/2010US7787634 Musical distortion circuits
08/31/2010US7786805 Power amplifier module and a time division multiple access radio
08/31/2010US7786794 Amplifier circuit
08/26/2010WO2010019404A3 Wireless telemetry electronic circuitry for measuring strain in high-temperature environments
08/26/2010US20100214277 Output circuit and driving circuit for display device
08/26/2010US20100214019 Low power integrated circuit
08/26/2010US20100214018 Adaptive predistortion for a transmit system
08/25/2010EP2222044A1 Mobile wireless communications device with separate in-phase (I) and quadrature (Q) phase power amplification and power amplifier pre-distortion and IQ balance compensation
08/25/2010EP2221973A1 Buffer and display device
08/25/2010EP2221965A2 Amplifier employing interleaved signals for PWM ripple suppression
08/25/2010EP2221963A1 A predistorsion circuit for a radio transmitter
08/25/2010EP2221962A1 Predistorter and distortion compensation method
08/25/2010EP2221961A1 Method for digital programmable optimization of mixed-signal circuits
08/25/2010EP2221960A1 Bi-directional and adjustable current source
08/25/2010EP2220763A1 Linearised power amplifier
08/25/2010EP2220762A1 Electronic circuit with cascode amplifier
08/25/2010CN201563104U 硬件温度补偿电路 Hardware temperature compensation circuit
08/25/2010CN101816124A configurable feedback for an amplifier
08/25/2010CN101816123A A distributed low noise amplifier
08/25/2010CN101814903A Tunable ferro-electric filter
08/25/2010CN101814900A D-class audio amplifier and method for improving output nonlinearity thereof
08/25/2010CN101814899A Self oscillating class D amplification device
08/25/2010CN101814898A Radio-frequency amplifier and digital pre-distortion system
08/25/2010CN101814897A Amplifying system and related method for improving glitch performance of amplifier
08/25/2010CN101167243B Polar coordinate modulating circuit, integrated circuit and radio apparatus
08/24/2010USRE41582 S-band low-noise amplifier with self-adjusting bias for improved power consumption and dynamic range in a mobile environment
08/24/2010US7783458 Discrete principal component analysis (DPCA)
08/24/2010US7783457 Sensor localization using lateral inhibition
08/24/2010US7783062 Automatic audio distortion control method and apparatus
08/24/2010US7782979 Base-band digital pre-distortion-based method for improving efficiency of RF power amplifier
08/19/2010WO2010059290A3 Constructive feedback traveling wave device and method
08/19/2010DE102010001694A1 Klasse-AB-Ausgangsstufe Class-AB output stage
08/19/2010DE102004001236B4 Leistungsverstärkeranordnung mit Antenne sowie deren Verwendung und Verfahren zum Verstärken und Abstrahlen eines Signals Power amplifier arrangement with antenna, as well as their use and methods for amplifying and emitting a signal
08/18/2010EP2219264A1 Blind signal separation using I and Q components
08/18/2010EP2218175A2 Switching amplifiers
08/18/2010CN1929296B Chopper amplifier circuit and semiconductor device
08/18/2010CN101809864A Power amplifying circuit, and transmitter and wireless communication device using the same
08/18/2010CN101809863A Automatic common-mode rejection calibration
08/18/2010CN101809862A 放大器电路 The amplifier circuit
08/18/2010CN101809861A Transmission device
08/18/2010CN101808062A Digital predistortion processing circuit and method, power amplifying device and repeater
08/18/2010CN101807947A Power control loop, radiofrequency amplifying circuit, and transmitter for radiofrequency signals having such circuit
08/18/2010CN101807893A Large-bandwidth continuous time common-mode feedback circuit and design method thereof
08/18/2010CN101807890A RF power amplifier and RF power module using the same
08/18/2010CN101807889A Class d amplifier
08/18/2010CN101807888A Class d amplifier
08/18/2010CN101807887A Class d amplifier
08/18/2010CN101807886A Radio frequency power amplifying device and analog predistortion correction method thereof
08/18/2010CN101807885A Method and circuit for controlling output signals of trans-impedance amplifier
08/18/2010CN101807884A Feed-forward noise cancellation resistance negative feedback broadband low noise amplifier
08/18/2010CN101807883A Single-ended input and differential output low-noise amplifier applied in UWB system
08/18/2010CN101806620A Photoelectric detection preamplifying circuit
08/18/2010CN101228690B Delay adjusting apparatus
08/17/2010US7778692 Methods, systems, and associated implantable devices for detecting radiation in patients undergoing treatment for cancer
08/17/2010US7778365 Satellite TWTA on-line non-linearity measurement
08/17/2010US7777570 Transformer power combiner having secondary winding conductors magnetically coupled to primary winding conductors and configured in topology including series connection and parallel connection
08/17/2010CA2342419C Apparatus and method for use in disconnecting and/or replacing one of a plurality of power amplifiers in a transmitter while the transmitter is operating
08/12/2010WO2010090926A2 Power amplifier with reconfigurable direct current coupling
08/12/2010WO2010090920A1 Methods and systems for stabilizing an amplifier
08/12/2010WO2010090202A1 Radio-frequency power amplifier
08/12/2010WO2010089971A1 Power amplifier and power amplification method
08/12/2010US20100205028 Data processing system
08/12/2010US20100201449 Amplifier
08/12/2010US20100201442 Distortion compensation device for use in high-frequency power amplifier
08/11/2010EP2216902A1 Bias circuit and method for controlling bias circuit
08/11/2010EP2216901A1 Efficient composite amplifier
08/11/2010EP2215716A1 A composite amplifier, a radio terminal and a method for improving the efficiency of the composite amplifier
08/11/2010EP1345322B1 Power amplifier and communication apparatus
08/11/2010CN201550080U Power amplifier
08/11/2010CN201550079U Continuous and changeable power supply voltage self-adaptation linear audio-frequency amplifier
08/11/2010CN1870016B Model building and compensation method of nonlinear system
08/11/2010CN101803184A High output power amplifier, wireless transmitter, wireless transmitting and receiving device, and high output power amplifier mounting method
08/11/2010CN101803182A linear rf amplifier with polar feedback
08/11/2010CN101803181A multi-way doherty amplifier
08/11/2010CN101800522A Tunable ferro-electric filter
08/11/2010CN101800519A Operational amplifier and method for reducing offset voltage of the same
08/11/2010CN101800517A Predistorter and distortion compensation method
08/11/2010CN101800516A Output buffer and source driver applying same
08/11/2010CN101800515A Output buffer circuit with reinforced turning rate
08/11/2010CN101800363A Integrated double-mode time-service active antenna and double-mode analog-digital demodulation module
08/11/2010CN101394152B Radio frequency power amplifier circuit
08/11/2010CN101388649B Low non-linear power amplifier
08/10/2010US7773955 Radio frequency unit analog level detector and feedback control system
08/10/2010US7772927 Active bias Darlington amplifier
08/10/2010US7772925 Power amplifier with pre-distorter
08/05/2010WO2010088130A2 Dynamic thermal management system and method
08/05/2010WO2010088113A2 Amplification system for interference suppression in wireless communications
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