Patents
Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
08/2014
08/13/2014CN103986432A 可变增益放大器 A variable gain amplifier
08/13/2014CN103986429A 基于动态前馈运算放大器的电路 Dynamic feedforward operational amplifier circuit
08/13/2014CN103986426A 功率放大器、功率放大器中的环路控制方法和装置 Power amplifier, the power amplifier control loop in a method and apparatus
08/13/2014CN103986422A 一种双频带射频功率放大器阻抗匹配电路 One kind of dual-band RF power amplifier impedance matching circuit
08/13/2014CN103986421A 用于电源电路的输入匹配网络 The input matching network is used for a power supply circuit
08/13/2014CN103986420A 一种实现失调自动归零的控制模块及其控制方法 A control module and a control method to achieve automatic zero offset
08/13/2014CN102386856B 用于低成本接收机电路的lna电路 A circuit for a low-cost receiver circuit lna
08/13/2014CN101854148B 动态信号污染抑制 Dynamic Signal pollution suppression
08/13/2014CN101816123B 分布式低噪声放大器 Distributed low-noise amplifier
08/12/2014US8804871 Non-linear adaptive scheme for cancellation of transmit out of band emissions
08/12/2014US8804870 Modulation agnostic digital hybrid mode power amplifier system and method
08/12/2014US8803614 Current reuse electronic device based on magnetic coupling components
08/12/2014US8803607 Power amplifier
08/12/2014US8803601 Amplifying circuit
08/12/2014US8803600 Output buffer circuit capable of enhancing stability
08/12/2014US8803490 Current-mode active termination
08/07/2014WO2014120612A1 Method and apparatus for applying predistortion to an input signal for a nonlinear power amplifier
08/07/2014WO2014120246A1 Radio frequency composite class-s power amplifier having discrete power control
08/07/2014WO2014118347A1 Improved efficiency for linear amplifier of envelope tracking modulator
08/07/2014WO2013165653A9 Split capacitors scheme for suppressing overshoot voltage glitches in class d amplifier output stage
08/07/2014US20140218115 Current compensation circuit, method and operational amplifier
08/07/2014US20140218112 Compensation Circuitry And Method For Amplifiers Driving Large Capacitive Loads
08/07/2014US20140218108 Timing alignment for power amplifier
08/07/2014US20140218107 Method and apparatus for applying predistortion to an input signal for a nonlinear power amplifier
08/07/2014US20140218105 Amplifier and amplifying method
08/07/2014US20140217285 Amplifier and radiation detector
08/07/2014DE102009005120B4 Elektronischer Schaltkreis und elektronische Schaltkreis-Anordnung Electronic circuit and electronic circuit arrangement
08/06/2014EP2761742A1 Systems and methods for digital predistortion in a dual band transmitter
08/06/2014EP2761741A1 Digitally-scalable transformer combining power amplifier
08/06/2014EP2761740A1 Amplifying system
08/06/2014EP2761739A1 Systems and methods for adaptive power amplifier linearization
08/06/2014CN203761336U 一种卫星音频信号放大电路 A satellite audio signal amplifying circuit
08/06/2014CN203761335U 一种隔离驱动开关放大器 An isolating switching amplifier drives
08/06/2014CN203761334U 一种应用于低功耗系统的放大器电路 Applied to the low-power amplifier circuit system
08/06/2014CN203761333U 滤波电路、天线电路及移动终端 A filter circuit, an antenna circuit and the mobile terminal
08/06/2014CN103975524A 异步开关模式电源 Asynchronous switching mode power supply
08/06/2014CN103975523A 具有低阻抗供电馈送的包络跟踪功率放大器 Fed with low impedance power envelope tracking power amplifier
08/06/2014CN103973249A 一种可变增益放大器 A variable gain amplifier
08/06/2014CN103973247A 轨到轨差分输入电路 Rail-to-rail differential input circuit
08/06/2014CN103973246A 一种用于光接收机的低噪声跨阻放大器 A low-noise transimpedance amplifier optical receiver
08/06/2014CN103973239A 用于磁悬浮涡轮分子泵的开关功率放大器 Switching power amplifier for magnetic levitation turbo molecular pump
08/06/2014CN103973237A 一种功率放大器的分阶段过压保护电路 A power amplifier phased overvoltage protection circuit
08/06/2014CN103973236A 输入保护电路 Input protection circuit
08/06/2014CN103973235A 限幅放大器 Limiting Amplifier
08/06/2014CN103973234A 一种射频功率放大器谐波抑制组合电路 A radio frequency power amplifier combination of harmonic suppression circuit
08/06/2014CN103973233A 基于差分结构有源电感的低噪声放大器 Based on the structure of the active inductor differential low-noise amplifier
08/06/2014CN103973232A 用于射频集成电路的设备 RF integrated circuits for equipment
08/06/2014CN103973231A 放大电路的电压调整电路及相关的调整方法 Voltage regulating circuit amplifier circuit and associated method of adjusting
08/06/2014CN102570985B 一种用于电力线多载波通信系统的功率放大电路 Power A power line carrier communication system for a multi-amplifier circuit
08/06/2014CN102332867B 一种带有单端电路补偿结构的低噪声放大器 A single-ended low-noise amplifier circuit with a compensation structure
08/06/2014CN101904091B 低噪声和低输入电容的差动修正型导数叠加低噪声放大器 Low noise and low input capacitance of the differential correction type derivative overlay low-noise amplifier
08/06/2014CN101783653B 用于可变增益放大器的方法和系统 The method for a variable gain amplifier and system
08/06/2014CN101689806B 射频功率放大器的电源 RF power amplifier
08/05/2014US8799341 Multi-dimensional hybrid and transpose form finite impulse response filters
08/05/2014US8798199 Composite power amplifier, transmitter, and composite-power-amplifier control method
08/05/2014US8798191 Transmission apparatus, radio communication apparatus, and transmission method
08/05/2014US8797099 Power amplifier device and power amplifier circuit thereof
07/2014
07/31/2014WO2014116831A1 Method and apparatus for using a processor controlled switcher with a power amplifier
07/31/2014WO2014116687A2 Amplifiers with improved isolation
07/31/2014WO2014116674A1 Single-input multiple-output amplifiers with independent gain control per output
07/31/2014WO2014116606A1 Reverse current prevention
07/31/2014WO2014114632A1 Differential output stage of an amplification device, for driving a load
07/31/2014US20140213204 Apparatus and methods for envelope tracking in radio frequency systems
07/31/2014US20140210560 Triple cascode power amplifier
07/31/2014US20140210558 Systems and methods for biasing amplifiers using adaptive closed-loop control and adaptive predistortion
07/31/2014US20140210557 Bias circuit
07/31/2014US20140210554 Amplifiers with improved isolation
07/31/2014US20140210551 Variable-class amplifier, system, and method
07/31/2014US20140210547 Operational amplifier circuit
07/31/2014DE102014101142A1 Neukalibrierung einer Hüllkurvenverfolgungsübertragungsfunktion während einer aktiven Sendung Recalibrating a Hüllkurvenverfolgungsübertragungsfunktion during an active program
07/30/2014EP2760131A1 Impedance matching network
07/30/2014EP2760130A1 Bias circuit
07/30/2014EP2759056A1 System and method for increasing bandwidth for digital predistortion in multi-channel wideband communication systems
07/30/2014EP2759026A1 Apparatus and method for balancing combined rf power-supplies for driving a co2 gas-discharge laser
07/30/2014CN203747758U 一种功率放大器驻波保护电路 A power amplifier VSWR protection circuit
07/30/2014CN203747757U 一种射频接收器的前端放大组件 A receiver front-end components of the RF amplification
07/30/2014CN203747756U 一种超宽带低噪声单片集成放大器 An ultra wideband low-noise amplifier monolithic integration
07/30/2014CN103959644A 功率放大器控制系统 Power amplifier control system
07/30/2014CN103959643A 用于自适应功率放大器线性化的系统和方法 Adaptive power amplifier linearization systems and methods for
07/30/2014CN103956983A 一种具有嵌位功能的误差放大器 Having a clamping function of the error amplifier
07/30/2014CN103956980A 一种无限制性线电压跟随功率缓冲放大器 One kind of unrestricted power line voltage follower buffer amplifier
07/30/2014CN103956978A 一种超宽带cmos低噪声放大器自动化设计方法及cmos lna设备 Cmos an ultra wideband low-noise amplifier design methods and automation equipment cmos lna
07/30/2014CN103956977A 低噪声放大器 Low-noise amplifier
07/30/2014CN103956976A 一种应用于低功耗系统的放大器电路 Applied to the low-power amplifier circuit system
07/30/2014CN102377405B 多频带匹配电路 Multiband matching circuit
07/30/2014CN102369664B 用于中继无线电信号的无线电系统和方法 Radio system and method for relaying a radio signal,
07/29/2014US8792840 Modified switching ripple for envelope tracking system
07/29/2014US8792583 Linearization in the presence of phase variations
07/29/2014US8791756 Amplifying circuit and wireless communications apparatus including the same
07/29/2014US8791754 Programmable gain amplifier with amplifier common mode sampling system
07/29/2014US8791753 Slew rate and bandwidth enhancement in reset
07/24/2014WO2014113227A1 Method for improving tx gain in envelope tracking systems
07/24/2014US20140203958 Passive amplification circuit and analog-digital convertor
07/24/2014US20140203872 Low-Noise Amplifier, Receiver, Method and Computer Program
07/24/2014US20140203789 High Efficiency Variable Voltage Supply
07/24/2014DE102010038482B4 Digitale Vorverzerrung und Kompensation einer Betriebsbedingungsauswirkung Digital pre-distortion compensation and an operating condition of impact
07/23/2014EP2757684A1 Differential output stage of an amplification device, for driving a load
07/23/2014EP2756648A1 Device for trajectory modification
07/23/2014EP2756597A2 Impedance matching circuits with multiple configurations
07/23/2014EP2756596A1 Circuitry for reducing power consumption
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