| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 12/22/2011 | WO2011109770A3 Burst mode amplifier |
| 12/22/2011 | WO2011109708A3 System and method for power amplifier control saturation detection and correction |
| 12/22/2011 | US20110310990 Power amplification apparatus, ofdm modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus |
| 12/22/2011 | US20110310688 Current mode data sensing and propagation using voltage amplifier |
| 12/22/2011 | US20110310687 Current sense amplifiers, memory devices and methods |
| 12/22/2011 | US20110309884 Solid-state rf power amplifier for radio transmitters |
| 12/22/2011 | US20110309883 Integrated Linear Power Detection In An RF Power Amplifier |
| 12/21/2011 | EP2398148A1 Rf signal generation device with configurable sigma-delta modulator and pulse-width modulator for output frequency band selection, and associated methods |
| 12/21/2011 | CN202085134U Rs-485线路放大器 Rs-485 Line Amplifier |
| 12/21/2011 | CN202085133U 减少数模转换器电压内插放大器输入差分对的装置 Interpolating DACs reduce input differential voltage amplifier means for |
| 12/21/2011 | CN202085132U 一种内置替补控制电路的网络功率放大器 A built in network power amplifier control circuit bench |
| 12/21/2011 | CN202085131U 一种内置有温度检测模块的网络功率放大器 A built-in network power amplifier temperature detection module |
| 12/21/2011 | CN1914787B 开关式电源和半导体集成电路 Switch-mode power supply and semiconductor integrated circuit |
| 12/21/2011 | CN1819714B 无线通讯设备用双磁极双音圈扬声器及功放控制电路 Wireless communication devices by double pole double voice coil speakers and amplifier control circuit |
| 12/21/2011 | CN1819711B 中空磁芯内磁极内音圈扬声器及其功率驱动与控制电路 Hollow core inner magnetic coil speaker and power drive and control circuit |
| 12/21/2011 | CN1812659B 内外双磁中空磁芯式扬声器及功放与控制电路 External dual speakers and magnetic hollow core amplifier and control circuitry |
| 12/21/2011 | CN102292911A 信号缓冲放大器 Signal buffer amplifier |
| 12/21/2011 | CN102291093A Rf功率放大装置及其工作方法 Apparatus and its working methods Rf power amplifier |
| 12/21/2011 | CN102291092A 一种逆f类功率放大器 One kind of inverse f power amplifier |
| 12/21/2011 | CN102291091A 一种线性微波功率放大器 A linear microwave power amplifiers |
| 12/21/2011 | CN101598629B 一种便携式快速大屏幕显示器的光度特性检测装置 Photometric characteristics of a portable rapid detection of large-screen display devices |
| 12/20/2011 | US8081150 Output buffer of a source driver in a liquid crystal display having a high slew rate and a method of controlling the output buffer |
| 12/20/2011 | US8081032 Broadband LNA with filter |
| 12/20/2011 | US8081031 Equalization system with stabilized peaking gain for a communication system |
| 12/20/2011 | US8081030 Multi-mode amplifier |
| 12/20/2011 | US8081028 Systems and methods for improved over-current clipping |
| 12/20/2011 | US8081015 Differential amplifier with a feedback unit |
| 12/20/2011 | US8080775 Differential source follower source leader addressable node readout circuit |
| 12/15/2011 | WO2011156502A1 An improved rail-to-rail input stage circuit with dynamic bias control |
| 12/15/2011 | WO2011154931A1 Integrated circuit including a differential power amplifier with a single ended output and an integrated balun |
| 12/15/2011 | WO2011154549A1 Improved crossover performance of power amplifier |
| 12/15/2011 | WO2011154547A1 Improved performance of off-chip connection for power amplifier |
| 12/15/2011 | US20110304401 Bi-Directional and Adjustable Current Source |
| 12/15/2011 | US20110304400 High efficiency balanced output amplifier system |
| 12/15/2011 | US20110304399 Driver amplifier circuit and communication system |
| 12/15/2011 | US20110304398 Cmos power amplifier and temperature compensation circuit thereof |
| 12/15/2011 | US20110304397 High efficiency audio amplifier system |
| 12/15/2011 | US20110304396 Power amplifier and processing device utilizing the same |
| 12/15/2011 | US20110304395 Power amplifier |
| 12/15/2011 | US20110304394 Variable Gain Amplifier for Low Voltage Applications |
| 12/15/2011 | US20110304393 Class ab output stages and amplifiers including class ab output stages |
| 12/15/2011 | US20110304392 Amplitude-stabilized odd order pre-distortion circuit |
| 12/15/2011 | US20110304358 Transistor voltage threshold mismatch compensated sense amplifiers and methods for precharging sense amplifiers |
| 12/14/2011 | EP2395657A1 High efficiency balanced output amplifier system |
| 12/14/2011 | EP2395656A1 High efficiency audio amplifier system |
| 12/14/2011 | EP2395655A1 Power amplifier and power amplification method |
| 12/14/2011 | CN202077000U 一种音频功放自动切换电路及功放芯片 An audio amplifier circuit and automatic switching amplifier chip |
| 12/14/2011 | CN202076990U 放大信号的电路 Circuit amplifies the signal |
| 12/14/2011 | CN202076989U 射频功率放大器温度补偿电路 RF power amplifier temperature compensation circuit |
| 12/14/2011 | CN1809957B 功率放大装置 Power amplifying means |
| 12/14/2011 | CN102282762A 用于多模收发器的超低噪声高线性度lna Ultra-Low Noise, High Linearity lna for multimode transceivers |
| 12/14/2011 | CN102282761A 高频放大器、无线设备和控制方法 High-frequency amplifier, wireless devices and control methods |
| 12/14/2011 | CN102281081A 无线通信收发机 The wireless communication transceiver |
| 12/14/2011 | CN102281037A 采用闭环功率输出级的音频放大器电路及其控制方法 Closed loop power output stage of an audio amplifier circuit and control method |
| 12/14/2011 | CN101682323B 模拟输入装置 Analog input device |
| 12/14/2011 | CN101610071B 前置放大器及其中校准偏移电压的方法 Preamplifier and the offset voltage calibration method |
| 12/14/2011 | CN101546986B 可改善回转率的运算放大器 Can improve the slew rate of the operational amplifier |
| 12/14/2011 | CN101431315B 一种分级放大电路及多功能数据采集卡 A hierarchical amplifier and multifunction data acquisition card |
| 12/14/2011 | CN101379697B 具有数字预失真的功率放大器 Power amplifiers with digital predistortion |
| 12/14/2011 | CN101098125B 具有脉冲检测和偏置控制的rf放大器 Having a pulse detection and bias control rf amplifier |
| 12/13/2011 | US8076976 Semiconductor device |
| 12/13/2011 | US8076975 Broadband high power amplifier |
| 12/13/2011 | US8076973 Fully differential amplifier with continuous-time offset reduction |
| 12/13/2011 | US8076971 Sampling frequency reduction for switching amplifiers |
| 12/08/2011 | WO2011152978A1 Rf power amplifier circuit mismatch tolerance |
| 12/08/2011 | WO2011152896A1 Broadband analog radio-frequency components |
| 12/08/2011 | WO2011152083A1 Transimpedance amplifier, integrated circuit, and system |
| 12/08/2011 | US20110298644 Switched-capacitor amplifier and analog front-end circuit |
| 12/08/2011 | US20110298643 Adaptive bias current generator methods and apparatus |
| 12/08/2011 | US20110298546 Saturation protection of a regulated voltage |
| 12/08/2011 | US20110298545 Rf power amplifier device and operating method thereof |
| 12/08/2011 | US20110298544 Two stage doherty amplifier |
| 12/08/2011 | US20110298541 Rail-to-rail input stage circuit with dynamic bias control |
| 12/08/2011 | US20110298537 Voltage distribution for controlling cmos rf switch |
| 12/08/2011 | US20110298535 System and method for compensating for changes in an output impedance of a power amplifier |
| 12/08/2011 | US20110298531 Charge storage circuit for a pixel, and a display |
| 12/08/2011 | US20110298496 Sram sense ampliifer |
| 12/08/2011 | CA2767995A1 Transimpedance amplifier, integrated circuit and system |
| 12/07/2011 | EP2393202A1 Three-way audio driver and a method for producing a three-way audio drive signal |
| 12/07/2011 | EP2393112A2 Inductive circuit arrangement |
| 12/07/2011 | CN202068420U 一种双向塔顶放大器 A two-way tower mounted amplifier |
| 12/07/2011 | CN202068382U D类音频功率放大器 Class D Audio Power Amplifier |
| 12/07/2011 | CN202068381U 用于抑制噪声的d类音频功率放大器 For suppressing noise in audio power amplifier class d |
| 12/07/2011 | CN202068380U D类音频功率放大器的驱动电路 Class D audio power amplifier driver circuit |
| 12/07/2011 | CN1812656B 双线同向间绕双绕组动圈式扬声器及功放与控制电路 Double room with the double winding around dynamic speaker and amplifier control circuit |
| 12/07/2011 | CN1812655B 音圈内壁固定绕组带底板层式扬声器及其功率放大与控制电路 Coil winding with the inner wall of the fixed layer floor speakers and power amplifier control circuit |
| 12/07/2011 | CN1812653B 阻抗与功率可变式扬声器及其功放与控制电路 Variable impedance speaker and amplifier power control circuit |
| 12/07/2011 | CN102273068A 极化调制装置及通信设备 Polarization modulation device and communication equipment |
| 12/07/2011 | CN102270970A 发光二极管电路及其误差放大器 Light-emitting diode circuit and error amplifier |
| 12/07/2011 | CN102270969A 发光二极管电路及其误差放大器 Light-emitting diode circuit and error amplifier |
| 12/07/2011 | CN102270968A 片外谐波吸收回路 Harmonic absorption circuit chip |
| 12/07/2011 | CN102270967A 功率放大器片内谐波吸收回路 Internal power amplifier chip harmonic absorption circuit |
| 12/07/2011 | CN102269608A 微电荷颗粒物感应仪器的数字信号处理方法及电路 Charged particle induced micro instrument digital signal processing method and circuit |
| 12/07/2011 | CN101598952B 电流产生器 Current generator |
| 12/07/2011 | CN101557216B 比较器及包含该比较器的d类音频功率放大器 Comparators and containing the comparator class d audio power amplifier |
| 12/07/2011 | CN101527542B 用于最小化共模振荡的多级放大器电路、方法及集成电路 Used to minimize common mode oscillation multistage amplifier circuits, methods and integrated circuits |
| 12/07/2011 | CN101366171B 单端放大器 Single-ended amplifier |
| 12/07/2011 | CN101361265B 具有大信号输出升压级的小信号放大器 Small-signal amplifier has a large signal output boost stage |
| 12/07/2011 | CN101262206B 放大电路 Amplifier circuit |
| 12/06/2011 | US8073419 Coherent tunable filter apparatus and wireless communication front-end circuit thereof |