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)
07/2014
07/02/2014EP2750287A1 Cascode bias of power MOS transistors
07/02/2014EP2748925A1 Apparatus and method for use with an amplifier circuit
07/02/2014EP2748924A1 Radio frequency power amplifier circuit and method
07/02/2014CN203691353U 芯片放大器封装模块 Amplifier chip package module
07/02/2014CN203691352U 宽带平衡式低噪声放大器 Broadband balanced low noise amplifier
07/02/2014CN203691351U 车辆用音响功率放大器 Vehicles with subwoofers
07/02/2014CN103907284A 低压力共源共栅结构 Low pressure cascode structure
07/02/2014CN103907283A 用于mimo的包络跟踪系统 Mimo for envelope tracking system
07/02/2014CN103905004A 一种用于导航测距的射频功率放大系统 An RF power amplifier ranging navigation system
07/02/2014CN103905003A 一种内嵌直流失调消除的低电源电压可编程增益放大器 DC offset cancellation, an embedded low power supply voltage programmable gain amplifier
07/02/2014CN103905002A 一种提升增益变化范围的低温度系数可变增益放大器 Way to boost the gain variation range of low temperature coefficient of the variable gain amplifier
07/02/2014CN103905001A 一种放大器 An amplifier
07/02/2014CN102377404B 阻抗可变匹配电路 Variable impedance matching circuit
07/02/2014CN102119483B 用于改善平衡-不平衡变换器负载质量因数的技术 Balun load factor of technical quality - improving the balance for
07/02/2014CN101902233B 接收器 Receiver
07/02/2014CN101606315B 功率放大器时间延迟不变的预失真方法和装置 Pre-distortion method and apparatus of constant time delay of the power amplifier
07/01/2014US8766726 Operational amplifier with improved frequency compensation
07/01/2014US8766725 Apparatus and methods for frequency compensation of an amplifier
07/01/2014US8766724 Apparatus and method for sensing and converting radio frequency to direct current
07/01/2014US8766719 Digitally-controlled power amplifier with bandpass filtering/transient waveform control and related digitally-controlled power amplifier cell
07/01/2014US8766718 Systems and methods for adaptive power amplifier linearization
07/01/2014US8766714 Amplifier component comprising a compensation element
06/2014
06/26/2014WO2014100518A2 Driver amplifier with asymmetrical t-coil matching network
06/26/2014WO2014100513A1 Multi-mode multi-band power amplifiers
06/26/2014WO2014100512A1 Multi-stage amplifier
06/26/2014WO2014100491A1 Electrostatic discharge protection of amplifier cascode devices
06/26/2014WO2014100046A1 Tunable wide band driver amplifier
06/26/2014WO2014097971A1 Acoustic processing device
06/26/2014WO2014097062A1 System and method for the digital pre-distortion in power amplifiers, particularly for radio-frequency communications
06/26/2014WO2014094824A1 Amplifier circuit and method
06/26/2014US20140179243 Amplifier circuits
06/26/2014US20140176356 Apparatus and methods for voltage comparison
06/26/2014US20140176243 Systems and methods to adjust the matching conditions of an amplifier
06/26/2014US20140176240 High-frequency bandwidth amplifying circuit
06/25/2014EP2747279A1 Transimpedance amplifier and its use for a scanning optoelectronic detection device
06/25/2014EP2747134A1 Amplifier device
06/25/2014EP2745397A2 Class e amplifier overload detection and prevention
06/25/2014CN203675056U 功放电路 Amplifier circuit
06/25/2014CN203675055U 功率放大器及数传电台 Power amplifiers and digital radio
06/25/2014CN103891137A 一种多频段功率放大装置 A multi-band power amplifying means
06/25/2014CN103891136A 开关电路以及包络信号放大器 The switching circuit, and the envelope signal of the amplifier
06/25/2014CN103891135A 包络跟踪放大级中的时间和振幅调整 Time and amplitude envelope tracking amplifier stage of adjustment
06/25/2014CN103888396A 基于自适应可变步长迭代的预失真方法 Predistortion method based on adaptive variable step length iteration
06/25/2014CN103888091A 用于数字音频d类功放的谐波失真校正方法 Harmonic d class amplifier for digital audio distortion correction method
06/25/2014CN103888088A 基于alc的功放保护系统 Based alc amplifier protection systems
06/25/2014CN103888087A 用于风电场风速监测的超声波换能器前置放大电路 Ultrasound is used to monitor the wind farm wind speed transducer preamplifier circuit
06/25/2014CN103888086A 电子系统、射频功率放大器及其偏压点自我调整方法 Electronic systems, radio frequency power amplifiers and bias point of self-adjustment method
06/25/2014CN103888085A 包络追踪系统的校准方法、电源电压的调制方法及装置 The calibration method envelope tracking system, the power supply voltage modulation method and apparatus
06/25/2014CN103888084A 一种用于带电粒子探测器的集成前置放大器 A charged particle detector integrated preamplifier
06/25/2014CN103888083A 宽带低噪声放大器 Broadband Low Noise Amplifier
06/25/2014CN103888082A 一种三级运算放大器 Of a three-op-amp
06/25/2014CN102308475B 高频功率放大器 High frequency power amplifier
06/25/2014CN102130658B 用于共源共栅放大器的反馈偏置 Feedback bias for the cascode amplifier
06/25/2014CN102026062B 麦克风信号前置放大的集成电路、方法及芯片和电子设备 Microphone signal preamplifier integrated circuit chips and electronic devices and methods
06/24/2014US8760227 Circuit and method for adjusting an offset output current for an input current amplifier
06/24/2014US8760224 Amplifying circuits and calibration methods therefor
06/24/2014US8760165 Phase shifter and power amplifier and magnetic resonance imaging apparatus
06/19/2014WO2014092617A1 Digital pre-distortion for high bandwidth signals
06/19/2014WO2014089695A1 Design and analysis of doherty amplifiers
06/19/2014WO2014062264A3 Conditionally-stable operational amplifier with tunable wideband buffers
06/19/2014US20140171005 Low-noise tia-to-adc interface with a wide-range of passive gain control
06/19/2014US20140170997 Power amplifying apparatus and wireless signal transmitter utilizing the same
06/19/2014US20140167863 Rf power transistor circuits
06/19/2014US20140167862 Electrostatic discharge protection of amplifier cascode devices
06/19/2014US20140167860 Multi-stage amplifier
06/19/2014US20140167859 Current mirror with saturated semiconductor resistor
06/19/2014US20140167858 Amplifer device
06/19/2014US20140167856 Power amplifier and operation method therefor
06/19/2014US20140167855 Rf power transistor circuits
06/19/2014US20140167854 Electronic system - radio frequency power amplifier and method for self-adjusting bias point
06/19/2014US20140167850 Current feedback output circuit
06/19/2014US20140167847 Operational Amplifying Device with Auto-adjustment Output Impedance
06/19/2014US20140167845 Cdma/ofdm linearity compliant wireless communication amplifier
06/19/2014US20140167844 Distortion compensation device and distortion compensation method
06/19/2014US20140167843 Method and apparatus for calibrating an envelope tracking system
06/19/2014US20140167841 Power supply arrangement for multi-stage amplifier
06/18/2014EP2744103A1 Boosted differential Class H Amplifier
06/18/2014EP2742592A1 Power amplifier and power transmission apparatus
06/18/2014EP2742591A2 Radio frequency amplifier in communication system and method of controlling the same
06/18/2014CN203660993U 162.5MHz700W固态功率放大器 162.5MHz700W solid state power amplifiers
06/18/2014CN203660992U 一种限流保护电路 One kind of limiting protection circuit
06/18/2014CN203660991U 一种运放输出的过电流保护电路 An overcurrent protection circuit op amp output
06/18/2014CN203660990U 功率放大器冷却设备 PA cooling equipment
06/18/2014CN103875179A Multi-bank peak power reduction
06/18/2014CN103873156A Radio frequency measurement device with amplifier
06/18/2014CN103872998A Overcurrent protection circuit of H-bridge PWM (Pulse Width Modulation) power amplifier
06/18/2014CN103872997A Over standing-wave ratio protection circuit of power amplifier
06/18/2014CN103872996A Multichannel circuit of base station power amplifier and control method of multichannel circuit
06/18/2014CN103872995A Wide-band dB linear automatic gain control amplifier with temperature compensation
06/18/2014CN103872994A Bias circuit and power amplifier with dual power mode
06/18/2014CN103872993A Power amplifier circuit as well as electronic device and method for regulating output impedance
06/18/2014CN103872992A Electronic system, radio frequency power amplifier and output power compensation method thereof
06/18/2014CN103872991A Input common-mode control using special comparator for sensor interface
06/18/2014CN102263572B 无线通信收发机 The wireless communication transceiver
06/17/2014US8754712 System and method for a cascoded amplifier
06/17/2014CA2650532C Systems and methods of rf power transmission, modulation, and amplification
06/12/2014WO2014088367A1 High frequency amplifier and method of compensating for distortion
06/12/2014WO2014088223A1 Amplifier circuit and operation method thereof
06/12/2014WO2014087886A1 Broadband amplifier
06/12/2014WO2014087479A1 High-frequency power amplifier
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