| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 07/23/2014 | CN203734626U 一种超宽带功率放大器 An ultra wideband power amplifier |
| 07/23/2014 | CN203734625U 一种通讯信号补偿器 A communication signal compensator |
| 07/23/2014 | CN203734624U 一种高性能微带多级低噪声放大器 A high-performance multi-stage low noise amplifier microstrip |
| 07/23/2014 | CN203734623U X频段低噪声放大器 X-band low noise amplifier |
| 07/23/2014 | CN203734622U 一种基于pid调节和pwm技术的mri b0场补偿放大器 Based pid regulation and pwm technology mri b0 field compensation amplifier |
| 07/23/2014 | CN103947106A 系统线性化 System linearization |
| 07/23/2014 | CN103947105A 电源电路 The power supply circuit |
| 07/23/2014 | CN103944612A 用于电力线载波系统的功放预失真算法 For the pre-amp distortion power line carrier system algorithm |
| 07/23/2014 | CN103944522A 功率放大器 PA |
| 07/23/2014 | CN103944520A 电流源电路及射频信号放大系统 The current source circuit and a radio frequency signal amplification system |
| 07/23/2014 | CN103944519A 配套接入电流喷射式音频功率放大器的桥式动态电源 Supporting access to current jet bridge Dynamic Power Audio Amplifier |
| 07/23/2014 | CN103944518A 一种宽带低噪声放大器 Wideband Low Noise Amplifier |
| 07/23/2014 | CN102299689B 基于包络跟踪技术的高效率双频功率放大器的设计方法 Envelope tracking technology, high efficiency dual-band power amplifier design method based on |
| 07/23/2014 | CN102113208B 用于开关式电容器电路的适应性偏置电流产生 Adaptive bias current for the switched-capacitor circuit generates |
| 07/23/2014 | CN102067443B 具有增益扩大级的放大器 The amplifier has a gain expansion stage |
| 07/22/2014 | US8787850 Compensating for non-linear capacitance effects in a power amplifier |
| 07/22/2014 | US8787598 Dynamic contoured-sound/subwoofer-synthesis audio system |
| 07/22/2014 | US8786368 Distributed amplifier with improved stabilization |
| 07/22/2014 | US8786367 Voltage controlling circuit |
| 07/17/2014 | WO2014110457A1 Programmable frequency range for boost converter clocks |
| 07/17/2014 | WO2014110435A1 On-die harmonics filtering for radio frequency power amplifiers |
| 07/17/2014 | WO2014108716A1 Doherty amplifier |
| 07/17/2014 | US20140198879 Transmitter |
| 07/17/2014 | US20140197893 Amplification Circuit Having Optimization of Power |
| 07/17/2014 | US20140197892 On-die harmonics filtering for radio frequency power amplifiers |
| 07/17/2014 | US20140197891 Integrated circuit chip temperature sensor |
| 07/17/2014 | US20140197885 Amplifying device, distortion compensating device, and amplifying method |
| 07/16/2014 | EP2755358A1 Method and device for acquiring multi-frequency band digital predistortion output signals |
| 07/16/2014 | EP2755323A1 Rf signal generating circuit, and transmitter |
| 07/16/2014 | EP2755322A1 An audio amplifier |
| 07/16/2014 | EP2754240A1 Radio-frequency transmitter, such as for broadcasting and cellular base stations |
| 07/16/2014 | EP2754239A1 Linearization for a single power amplifier in a multi-band transmitter |
| 07/16/2014 | EP2754238A1 Envelope tracking power amplifier with low impedance supply feed |
| 07/16/2014 | CN203722585U 一种具有带通滤波响应的高效率宽带功率放大器 Having a band-pass filter response of high-efficiency wideband power amplifiers |
| 07/16/2014 | CN203722584U 高速rcv偏置系统 High-speed rcv bias system |
| 07/16/2014 | CN203722583U 一种伺服功率放大电路 One kind of a servo power amplifier circuit |
| 07/16/2014 | CN203722582U 一种片上实现直流失调消除功能的限幅放大器 Implement an on-chip DC-offset cancellation limiting amplifier |
| 07/16/2014 | CN103929137A 一种连续调节d类功放功率的电路及其功率调节方法 A continuous power adjustment d class amplifier circuit and power regulation method |
| 07/16/2014 | CN103929136A 宽带移动通信lte系统发射机功率放大器预失真处理方法 Lte broadband mobile communication system transmitter power amplifier predistortion processing method |
| 07/16/2014 | CN103929135A 包络跟踪漏极调制器、射频放大电路及方法 Drain envelope tracking modulator, RF amplifier circuit and method |
| 07/16/2014 | CN103929134A 一种电源调制方法及装置 A power modulation method and apparatus |
| 07/16/2014 | CN103929133A 一种功率放大器控制电路 A power amplifier control circuit |
| 07/16/2014 | CN103929132A 基于带状线方式的小型大功率微波放大模块 Based on a small high-power microwave stripline mode amplifier module |
| 07/16/2014 | CN102386859B 一种频率补偿的宽带放大器 A frequency compensation broadband amplifier |
| 07/16/2014 | CN102332870B 功率放大器 PA |
| 07/16/2014 | CN102301588B 具有两个放大级的运算跨导放大器 Amplifier stage having two operational transconductance amplifier |
| 07/16/2014 | CN102204087B 具有改进的静电放电保护电路的放大器 Has improved electrostatic discharge protection circuit amplifier |
| 07/16/2014 | CN101977022B 互补增强功率补偿方法、装置及通信设备 Complementary enhanced power compensation method, apparatus and communication equipment |
| 07/16/2014 | CN101814899B 自振荡d类放大设备 Self-oscillating d class amplification equipment |
| 07/16/2014 | CN101783870B 半导体集成电路和视频信号输出电路 The semiconductor integrated circuit and the video signal output circuit |
| 07/15/2014 | US8781415 Distortion correction based feedforward control systems and methods for radio frequency power sources |
| 07/15/2014 | US8779860 Power amplifier |
| 07/15/2014 | US8779859 Multi-cascode amplifier bias techniques |
| 07/15/2014 | US8779851 Linearizing a power amplifier |
| 07/10/2014 | US20140194080 Method and apparatus for calibrating time alignment |
| 07/10/2014 | US20140191809 Radio frequency amplifier circuit |
| 07/10/2014 | US20140191806 Electronic system - radio frequency power amplifier and method for dynamic adjusting bias point |
| 07/10/2014 | US20140191805 N-way doherty distributed power amplifier with power tracking |
| 07/10/2014 | US20140191800 Multiple winding transformer coupled amplifier |
| 07/10/2014 | US20140191799 Predistorter and predistorter control method |
| 07/10/2014 | US20140191798 Transmission signal power control apparatus, communication apparatus and predistortion coefficient updating method |
| 07/10/2014 | US20140191797 Method and system for boosting the supply of power amplifier |
| 07/10/2014 | DE102014100047A1 Mit einem Mehrfachwicklungstransformator gekoppelter Verstärker With a multi-winding transformer coupled amplifier |
| 07/09/2014 | EP2752990A1 High-efficiency power amplifier |
| 07/09/2014 | EP2751926A1 Doherty power amplification apparatus and method |
| 07/09/2014 | CN103918179A 针对放大级的时间对准 For time alignment amplifier stage |
| 07/09/2014 | CN103918177A 放大器布置 Amplifier arrangement |
| 07/09/2014 | CN103916098A 一种高增益精度可编程增益放大器 A high-precision programmable gain amplifier gain |
| 07/09/2014 | CN103916093A 校正包络跟踪系统的方法、通信单元及集成电路 Correction method envelope tracking system, a communication unit and IC |
| 07/09/2014 | CN103916088A 一种射频信号的数字矫正装置及其矫正方法 Digital RF signal correction apparatus and correction method |
| 07/09/2014 | CN103916087A 电子系统、射频功率放大器及其偏压点动态调整方法 Dynamic adjustment method of electronic systems, RF power amplifier and bias point |
| 07/09/2014 | CN103916086A 一种隔离驱动开关放大器 An isolating switching amplifier drives |
| 07/09/2014 | CN103916085A 连续可变增益放大器 Continuously Variable Gain Amplifier |
| 07/09/2014 | CN103916084A 一种增益可调的低噪声放大器电路 One kind of adjustable gain low noise amplifier circuit |
| 07/09/2014 | CN102324896B 一种带线性度补偿的宽带低噪声放大器 Broadband with a linear low-noise amplifier compensation |
| 07/08/2014 | US8775196 System and method for notification and escalation of medical data |
| 07/08/2014 | US8774737 Transmission module and phased array antenna apparatus |
| 07/08/2014 | US8773206 Power amplifier apparatus and power amplifier circuit |
| 07/08/2014 | US8773204 Amplifier with reduced source degeneration inductance |
| 07/08/2014 | US8773201 Amplifying device and wireless transmission device using the same |
| 07/08/2014 | US8773200 Decoupling circuits for filtering a voltage supply of multiple power amplifiers |
| 07/08/2014 | US8773199 Compensation technique for feedback amplifiers |
| 07/03/2014 | WO2014106074A1 Rotary laser level with laser detection |
| 07/03/2014 | WO2014103495A1 High-frequency amplifier circuit |
| 07/03/2014 | WO2014103420A1 Digital amplitude modulation device and digital amplitude modulation control method |
| 07/03/2014 | WO2014103265A1 Power amplifier |
| 07/03/2014 | WO2014103175A1 Distortion-compensation device and distortion-compensation method |
| 07/03/2014 | WO2014103174A1 Distortion-compensation device and distortion-compensation method |
| 07/03/2014 | WO2014103132A1 Wireless communication apparatus, wireless communication system, and method for controlling wireless communication apparatus |
| 07/03/2014 | WO2014078742A3 Adjustable gain for multi-stacked amplifiers |
| 07/03/2014 | WO2014066691A3 Threshold tracking bias voltage for mixers |
| 07/03/2014 | US20140187184 RF Power Transmission, Modulation, and Amplification Embodiments |
| 07/03/2014 | US20140184337 Control Systems and Methods for Power Amplifiers Operating in Envelope Tracking Mode |
| 07/03/2014 | US20140184335 Amplifiers Operating in Envelope Tracking Mode or Non-Envelope Tracking Mode |
| 07/03/2014 | US20140184334 Optimization Methods for Amplifier with Variable Supply Power |
| 07/03/2014 | US20140184332 Amplifier circuit including digital amplifier and analog amplifier |
| 07/03/2014 | US20140184327 Method for implementing compensation filter and apparatus for signal bandwidth compensation |
| 07/03/2014 | US20140184326 Power amplifier |
| 07/03/2014 | DE102009060504B4 Schaltung und Verfahren zur Einstellung eines Offset-Ausgangsstroms für einen Eingangsstromverstärker Circuit and method for adjusting an offset output current for an input current amplifier |
| 07/03/2014 | DE102006028093B4 Verstärkeranordnung und Verfahren zum Verstärken eines Signals An amplifier arrangement and method for amplifying a signal |