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)
03/2012
03/08/2012US20120056675 Operational Amplifier For An Active Pixel Sensor
03/08/2012US20120056674 Amplification of an Incoming Signal Received Via an Antenna
03/07/2012EP2426817A1 Wide band power amplifier
03/07/2012EP2426816A1 Power amplifier
03/07/2012EP1972055B1 Digital pwm amplifier with simulation-based feedback
03/07/2012EP1938454B1 Soft-start circuit and method for power-up of an amplifier circuit
03/07/2012EP1914885B1 Power amplifier having distortion compensating circuit
03/07/2012EP1048176B1 Apparatus and method of linearizing a power amplifier in a mobile radio communication system
03/07/2012CN202160144U 应用于微波高功率放大器的保护装置 Applied to the protection of microwave high power amplifiers
03/07/2012CN202160143U 一种利用电流负反馈抑制舵机电流的电路 A use of current negative feedback inhibition steering current of the circuit
03/07/2012CN102369664A A radio system and a method for relaying radio signals
03/07/2012CN102369663A Wideband jammer detector
03/07/2012CN102368680A Current feedback operational amplifier circuit
03/06/2012US8131542 Sound source separation system which converges a separation matrix using a dynamic update amount based on a cost function
03/06/2012US8130874 By-pass arrangement of a low noise amplifier
03/06/2012US8130035 Post amplifier with selectable gain
03/06/2012US8130033 Switching low noise amplifier
03/01/2012WO2012027039A1 Multi-mode/multi-band power management system
03/01/2012WO2011156379A3 Resonator circuit and amplifier circuit
03/01/2012US20120049951 High speed switched capacitor reference buffer
03/01/2012US20120049895 Amplifying circuit and current-voltage conversion circuit
03/01/2012DE10261388B4 Schaltung zur Arbeitspunkteinstellung von Mehrfach-Gate-Feldeffekttransistoren Circuit for operating point setting of multiple-gate field-effect transistors
03/01/2012DE102010035276A1 Verfahren zur Offsetkompensation eines Switched Capacitor-Verstärkers und Switched Capacitor-Verstärkeranordnung Method for offset compensation of a switched capacitor amplifier and switched capacitor amplifier arrangement
02/2012
02/29/2012EP2424107A2 Current-voltage conversion circuit
02/29/2012EP2424106A2 Amplifying circuit
02/29/2012EP2423709A1 SPS receiver with adjustable linearity
02/29/2012EP2422447A1 Electronic circuits including a mosfet and a dual-gate jfet
02/29/2012CN102364981A Method and apparatus for control of transmitter power consumption
02/29/2012CN101841304B Power amplification device with linear corrector
02/29/2012CN101841303B Predistortion estimation method based on polynomial
02/29/2012CN101841302B Effective order estimator for predistorter
02/29/2012CN101060308B Temperature compensation of small signal gain for an amplifier stage
02/28/2012US8125270 Frequency offset Cartesian feedback system
02/23/2012WO2012024429A1 Apparatus and method for a smooth powerup of a reference signal
02/23/2012WO2012024345A2 Remotely reconfigurable distributed antenna system and methods
02/23/2012WO2012023624A1 Chireix power amplification method and transmitter using envelope-tracking power supply
02/23/2012WO2012003113A3 Grounding switch method and apparatus
02/23/2012US20120046925 Model based distortion reduction for power amplifiers
02/23/2012US20120044019 Power amplifier
02/22/2012EP2421151A2 Multiband impedance matching circuit
02/22/2012EP2419997A2 Low noise amplifier with combined input matching, balun, and transmit/receive switch
02/22/2012EP2419996A1 Amplifier circuit, integrated circuit and radio frequency communication unit
02/22/2012EP2070278B1 Output power correction module for amplifiers in transmitters
02/22/2012EP1998439B1 Analog circuit
02/22/2012EP1313278B1 Method and apparatus for adaptive digital predistortion in a radio transmitter
02/22/2012CN102362429A Amplifier supporting multiple gain modes
02/22/2012CN102361435A Variable gain broadband low-noise amplifier
02/22/2012CN101501986B 堆叠式缓冲器 Stack Buffer
02/22/2012CN101488730B 放大器、音频系统以及输入信号的放大方法 An amplifier amplifying method, the audio system and the input signals
02/21/2012US8120423 OP-AMP sharing with input and output reset
02/21/2012US8120386 Amplifiers using gated diodes
02/16/2012WO2012021461A2 System and method for biasing a power amplifier
02/16/2012WO2012021009A2 Receiving device and method for removing mismatch in wireless communication system, and low-power amplifier therefor
02/16/2012WO2012019949A1 High-frequency power amplifier having doherty enhancement
02/16/2012WO2012019940A1 Integrated amplifier for driving acoustic transducers
02/16/2012US20120038420 Communications circuit for reducing crosstalk
02/16/2012US20120038419 Mitigating side effects of impedance transformation circuits
02/16/2012DE102010034067A1 Hochfrequenzleistungsverstärker mit Doherty-Erweiterung High-frequency power amplifier with Doherty extension
02/15/2012EP2418768A1 Integrated amplifier for driving acoustic transducers
02/15/2012EP2418767A1 Amplifying device
02/15/2012CN102356544A Digital filtering in a class d amplifier system to reduce noise fold over
02/15/2012CN102356543A Common-gate common-source amplifier
02/15/2012CN102356542A Cascode amplifier with protection circuitry
02/15/2012CN102355221A Multi-frequency band power amplifier and output matching circuit thereof
02/15/2012CN102355209A Amplifier employing interleaved signals for PWM ripple suppression
02/15/2012CN102355206A Power amplifier and gain compensation method for same
02/15/2012CN102355203A Intelligent output technology of microwave power amplifier
02/15/2012CN102355202A Feedforward power amplifier with predistortion power amplifier
02/15/2012CN102355201A Dynamic performance optimization method and optimization device for power amplifier tube in amplifier circuit
02/15/2012CN102355200A Single-ended input and differential output parallel dual-frequency low noise amplifier and design method thereof
02/15/2012CN102355199A Low-noise amplifier
02/15/2012CN102355198A Multi-path asymmetrical Doherty power amplifier
02/15/2012CN102355197A Power supply providing ultrafast modulation of output voltage
02/15/2012CN101814900B D类音频放大器及其输出非线性改善方法 Class D audio amplifier and its output nonlinear ways to improve
02/15/2012CN101741316B 一种增益可变的宽带射频低噪声放大器 A gain broadband RF low noise amplifier
02/14/2012US8116700 Reducing common mode effects in an output stage
02/14/2012US8115553 High linearity, low noise, wide bandwidth amplifier/buffer
02/14/2012US8115548 Apparatus and method for controlling distortions of amplifier
02/14/2012US8115545 Automatic level control
02/14/2012US8115539 Operational amplifier
02/14/2012US8113057 Switched resonant ultrasonic power amplifier system
02/14/2012CA2616285C Predistortion linearization device with adjustable amplitude and shape
02/09/2012WO2012018233A2 Amplifier supporting multi mode and amplifying method thereof
02/09/2012WO2012017580A1 Transmitter and method for controlling same
02/09/2012WO2012017579A1 Power modulator, and method for controlling same
02/09/2012US20120032743 Low-noise amplifier with gain enhancement
02/09/2012US20120032742 Cmos millimeter-wave variable-gain low-noise amplifier
02/09/2012US20120032739 Digital predistortion circuit with extended operating range and a method thereof
02/08/2012EP2416493A1 Low-noise high efficiency bias generation circuits and method
02/08/2012EP2415187A2 A radio system and a method for relaying radio signals
02/08/2012EP2415168A1 A radio system and a method for relaying packetized radio signals
02/08/2012EP2415167A1 A radio system and a method for relaying radio signals
02/08/2012EP2415166A2 Wideband jammer detector
02/08/2012CN202143034U 非共接地式电源供应与音讯放大装置 Total non-grounded power supply and audio amplification device
02/08/2012CN102349232A Detection of data in signals with data pattern dependent signal distortion
02/08/2012CN102347738A Two-stage fully-differential low-noise low-offset chopping operational amplifier
02/08/2012CN102347732A Power control circuit and radio frequency power amplifier module with same
02/08/2012CN101697479B 可调增益低噪声放大器 Variable gain low noise amplifier
02/08/2012CN101471628B Ab类放大器 Ab Class Amplifier
02/07/2012US8111101 Time-alignment of two signals used for digital pre-distortion
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