| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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| 04/19/2012 | WO2011156379A8 Resonator circuit and amplifier circuit |
| 04/19/2012 | WO2011061688A3 Power supplying system |
| 04/19/2012 | US20120092067 Method and apparatus for linearizing a non-linear power amplifier |
| 04/19/2012 | DE102011054423A1 Akustische pseudo-triodencharakteristik-verstärkungsvorrichtung und akustische pseudo-triodencharakteristik-push-pull-verstärkungsvorrichtung Acoustic pseudo-triodencharakteristik-gain device and acoustic pseudo-triodencharakteristik-push-pull amplification device |
| 04/18/2012 | EP2442444A1 High power Doherty amplifier using multi-stage modules |
| 04/18/2012 | EP2442442A1 Power amplifier and transmitter |
| 04/18/2012 | EP2442441A2 Amplification |
| 04/18/2012 | EP2442440A1 Control unit for a power amplifier and method of operating a control unit for a power amplifier |
| 04/18/2012 | EP2441169A1 Distributed power amplifier with active matching |
| 04/18/2012 | EP2127069B1 Linear transconductor for rf communications |
| 04/18/2012 | CN202197251U 一种功率放大系统 A power amplifier system |
| 04/18/2012 | CN202197250U 一种功率放大器底板及功率放大器 A power amplifier and power amplifier chassis |
| 04/18/2012 | CN102422530A 多位d类功率放大器系统 Many d class amplifier system |
| 04/18/2012 | CN102422527A 用于发射机的电路 For the transmitter circuit |
| 04/18/2012 | CN102420626A 一种基于usb接口的便携式手机信号放大器 A portable cell phone signal amplifier based usb interface |
| 04/18/2012 | CN102420576A Audio operational amplification circuit structure and audio output circuit structure |
| 04/18/2012 | CN102420575A 一种误差放大器 An Error Amplifier |
| 04/18/2012 | CN102420574A 一种提高共源极运算放大器频率特性的方法 A total of pole improve the frequency characteristics of the operational amplifier method source |
| 04/18/2012 | CN102420573A Setting method for amplifying cluster communication power and power amplifier |
| 04/18/2012 | CN102420572A 带音频功放的设备 Equipment with audio amplifier |
| 04/18/2012 | CN102420571A 一种双极型放大器 A bipolar amplifier |
| 04/18/2012 | CN102420570A 一种提高de类功率放大器工作效率的方法 Method for improving the efficiency of the power amplifier de methods |
| 04/18/2012 | CN101771383B 一种实现信号预失真处理的方法和装置 A method and apparatus for signal pre-distortion processing |
| 04/18/2012 | CN101485081B Rf功率放大器 Rf power amplifier |
| 04/18/2012 | CN101459636B 自适应预失真方法 Adaptive predistortion method |
| 04/18/2012 | CN101390285B 极坐标调制发射器、自适应失真补偿处理系统、极坐标调制传输方法以及自适应失真补偿处理方法 The polar modulation transmitter, the adaptive distortion compensation processing system, the polar modulation transmission methods, and the adaptive distortion compensation processing method |
| 04/18/2012 | CN101325403B 射频信号放大装置 Radio signal amplifying means |
| 04/18/2012 | CN101044679B 高精度零交叉检测器及其方法 High-precision zero-crossing detector and method |
| 04/17/2012 | US8160840 Comparison of data signals using characteristic electronic thumbprints extracted therefrom |
| 04/17/2012 | US8159298 Linearization circuits and methods for power amplification |
| 04/17/2012 | US8159297 Transmission device, distortion compensation device, and distortion compensation method |
| 04/17/2012 | US8159296 Method and apparatus for a power supply modulator linearizer |
| 04/17/2012 | US8159293 Nested transimpendance amplifier |
| 04/17/2012 | US8156794 Indenting type material testing machine, testing method, and testing program product |
| 04/12/2012 | WO2012047814A1 Wireless transceiver with amplifier bias adjusted based on modulation scheme and transmit power feedback |
| 04/12/2012 | WO2012047533A1 Impedance -matching circuits for multi - output power supplies driving c02 gas -discharge lasers |
| 04/12/2012 | WO2012046668A1 Power amplifier, high-frequency power amplifying device, and amplification control method |
| 04/12/2012 | WO2012046561A1 Linearizer and distortion compensation method |
| 04/12/2012 | WO2012045517A1 Optimizing power consumption of a base station |
| 04/12/2012 | WO2012023624A4 Chireix power amplification method and transmitter using envelope-tracking power supply |
| 04/12/2012 | WO2012004702A3 Broadband transistor bias network |
| 04/12/2012 | WO2011129857A3 Scalable millimeter wave power source |
| 04/12/2012 | US20120087515 Circuit, system and method for isolating a transducer from an amplifier in an electronic device |
| 04/12/2012 | US20120086513 Instrumentation input systems |
| 04/12/2012 | US20120086507 Power amplifier linearization method and apparatus |
| 04/12/2012 | DE102005048409B4 Verstärkeranordnung für Ultra-Breitband-Anwendungen und Verfahren Amplifier arrangement for ultra-wideband applications and processes |
| 04/12/2012 | DE102005036100B4 Verstärkeranordnung und Verfahren zum Verstärken einer Spannung An amplifier arrangement and method for amplifying a voltage |
| 04/11/2012 | EP2439988A1 Optimizing power consumption of a base station |
| 04/11/2012 | EP2439987A1 Circuit and method for reducing radio-frequency power consumption of mobile phone |
| 04/11/2012 | EP2438678A1 Apparatus and method for predictive over-drive detection |
| 04/11/2012 | EP1695438B1 Amplifier linearization using non-linear predistortion |
| 04/11/2012 | CN102414983A Pre-distortion for a radio frequency power amplifier |
| 04/11/2012 | CN102414982A 功率放大器 PA |
| 04/11/2012 | CN102412855A 阻抗匹配情况确定方法和设备 Method and apparatus for determining impedance matching |
| 04/11/2012 | CN102412794A 保护装置、互补型保护装置、信号输出装置、闩锁阻止方法以及程序 Protection devices, complementary protection devices, signal output means, methods, and procedures to prevent the latch |
| 04/11/2012 | CN102412793A 保护电路 Protection circuit |
| 04/11/2012 | CN102412792A Signal amplifier, bridge connection signal amplifier, signal output device and latch-up prevention method |
| 04/11/2012 | CN102412791A 一种用于高效功率放大器的数字预失真处理方法 Digital predistortion processing method for the high efficiency power amplifier |
| 04/11/2012 | CN102412790A 一种对pvt补偿的宽带低噪声放大器 Kind of compensation pvt broadband low noise amplifier |
| 04/11/2012 | CN102412789A 一种低噪声放大器的元件参数确定方法及低噪声放大器 A component parameters method for determining the low noise amplifier and low noise amplifier |
| 04/11/2012 | CN102412788A 直放站系统、提高直放站效率的方法及装置 Repeater system to improve the efficiency of the method and apparatus for repeater |
| 04/11/2012 | CN102412787A 提高功率放大器在输出低功率模式下的效率的方法 To improve the efficiency of the power amplifier at low output power mode method |
| 04/11/2012 | CN101647194B 一种改进的放大器 Improved Amplifier |
| 04/11/2012 | CN101273525B 具有有源后失真线性化的放大器 Linearized amplifier distortion after having active |
| 04/10/2012 | US8155447 Determining points of parabolic curvature on surfaces of specular objects |
| 04/10/2012 | US8155238 Device for processing radio transmission data with digital predistortion |
| 04/10/2012 | US8154345 Apparatus and method for current sensing using a wire bond |
| 04/10/2012 | US8154338 Offset cancellation for differential circuits |
| 04/10/2012 | US8154337 Apparatus and method for automated offset reduction in matched differential input devices |
| 04/10/2012 | CA2583415C Blind signal separation using i and q components |
| 04/07/2012 | CA2754575A1 Circuit, system and method for isolating a transducer from an amplifier in an electronic device |
| 04/05/2012 | WO2012043909A1 Coupler-circulator integrated communication device and doherty amplifier having same |
| 04/05/2012 | WO2012042832A1 Power amplifier and power supply circuit |
| 04/05/2012 | WO2012042625A1 Wireless communication apparatus and feedback control method |
| 04/05/2012 | WO2012042048A1 Dutycycle adjustment to improve efficiency of a digital rf-pa |
| 04/05/2012 | WO2012042047A1 Current saving by reduced modulation code and selective gating of rf signal buffers |
| 04/05/2012 | US20120081178 Power amplification device and method for acquiring power adjusting coefficient |
| 04/05/2012 | DE102010041759A1 Schaltungsanordnung zum Ansteuern eines Sperrschicht-Feldeffekttransistors Circuit arrangement for driving a junction field effect transistor |
| 04/04/2012 | EP2436121A1 Transmitter phase shift determination and compensation |
| 04/04/2012 | EP2436112A1 Anti-glitch system for audio amplifier |
| 04/04/2012 | EP2016675B1 Cmos temperature compensated transmitter circuit with merged mixer and variable gain amplifier |
| 04/04/2012 | CN202183755U 单通道信号隔离放大器 Single-channel signal isolation amplifier |
| 04/04/2012 | CN1770622B Amplifier |
| 04/04/2012 | CN102403961A 一种大功率音频放大器的智能监控保护系统 Intelligent monitoring and protection system for high-power audio amplifiers |
| 04/04/2012 | CN102403960A Method and device for pre-distorting exciter and pre-distortion exciter |
| 04/03/2012 | US8149054 Operational amplifier |
| 04/03/2012 | US8149053 Low noise amplifier |
| 04/03/2012 | US8149052 Method and apparatus to linearize transconductors by predistortion |
| 04/03/2012 | US8149051 Solid-state image sensor |
| 04/03/2012 | US8149050 Cascaded amplifiers with transformer-based bypass mode |
| 04/03/2012 | US8149049 Low noise receiving apparatus |
| 04/03/2012 | US8149043 Semiconductor device and electronic apparatus using the same |
| 04/03/2012 | DE202005022009U1 Leistungsverstärkungsvorrichtung, die eine asymmetrische Leistungsansteuerung verwendet Power amplifying apparatus using an asymmetric power control |
| 04/02/2012 | DE202012000922U1 Lötringe für Röhrenverstärker Solder rings for tube amps |
| 03/29/2012 | WO2012040737A2 Close-loop power amplifier pre-distortion correction |
| 03/29/2012 | WO2012038545A1 Pa load-line tuning with capacitors around a balun |
| 03/29/2012 | WO2012038544A1 Calibrate output matching for correct output power |
| 03/29/2012 | WO2012038400A1 Cryogenic low noise amplifier |
| 03/29/2012 | US20120077551 High-voltage tolerant voltage regulator |
| 03/29/2012 | US20120075021 Wideband low noise sensor amplifier circuit |