| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 12/30/2014 | US8921755 Detection circuit with correlated double sampling with improved anti-blooming circuit |
| 12/30/2014 | CA2788474C Analog circuitry to conceal activity of logic circuitry |
| 12/25/2014 | US20140375390 Power amplifier with improved low bias mode linearity |
| 12/25/2014 | US20140375389 Multi-broadband doherty power amplifier |
| 12/25/2014 | US20140375388 High Speed Power Supply System |
| 12/25/2014 | US20140375387 Transformer for monolithic microwave integrated circuits |
| 12/25/2014 | US20140375386 Low-Noise Amplifier Circuit |
| 12/25/2014 | US20140375385 Differential amplifier circuit |
| 12/25/2014 | US20140375384 Slew-enhanced operational transconductance amplifier |
| 12/25/2014 | US20140375381 Return Path Noise Reducing Amplifier with Bypass Signal |
| 12/24/2014 | CN204046530U 一种低噪声跨阻放大器及其光接收机前置放大器 A low-noise transimpedance amplifier and an optical receiver preamplifier |
| 12/24/2014 | CN204046529U 模拟电压信号输出电路 Analog voltage signal output circuit |
| 12/24/2014 | CN204046528U 一种功率放大器 A power amplifier |
| 12/24/2014 | CN204046527U 一种直接耦合放大电路及保护电路 A direct-coupled amplifier circuit and protection circuit |
| 12/24/2014 | CN204046526U 射频功率放大器 RF power amplifier |
| 12/24/2014 | CN104247259A 动态分频器电路 Dynamic frequency divider circuit |
| 12/24/2014 | CN104247258A 放大器 Amplifier |
| 12/24/2014 | CN104247257A 用于实现增强的扰乱拒斥的可重配置lna Reconfigurable lna for achieving enhanced disturb rejection of |
| 12/24/2014 | CN104246432A 运动传感器和使用它的电子设备 Motion sensors and an electronic device using it |
| 12/24/2014 | CN104242845A 增益测距电荷放大器 Ranging charge amplifier gain |
| 12/24/2014 | CN104242844A 一种能够实现自动增益控制的跨阻放大电路 A way to realize the automatic gain control of the transimpedance amplifier circuit |
| 12/24/2014 | CN104242843A 一种放大器输出限幅电路 An amplifier output limiter circuit |
| 12/24/2014 | CN104242842A 一种压电陶瓷的驱动放大电路 A piezoelectric ceramic driver amplifier |
| 12/24/2014 | CN104242841A 一种高精度的压电陶瓷的驱动放大电路 A high-precision piezoelectric ceramic driver amplifier |
| 12/24/2014 | CN104242840A 放大装置 Amplifying device |
| 12/24/2014 | CN104242839A 可编程全差分增益自举跨导放大器 Fully differential programmable gain bootstrap transconductance amplifier |
| 12/24/2014 | CN104242838A 具有抑制射频信号干扰功能的音频放大装置 Suppressing the audio amplifying apparatus having a function of radio signal interference |
| 12/24/2014 | CN104242837A 电视调谐器芯片的放大器及其方法 TV tuner chip amplifier and its method |
| 12/24/2014 | CN104242836A 射频功率放大器与电子系统 RF power amplifiers and electronic systems |
| 12/24/2014 | CN104242832A 无线通信装置及其功率放大电路 The wireless communication apparatus and a power amplifier circuit |
| 12/24/2014 | CN104242830A 基于有源电感的可重配置超宽带低噪声放大器 Active inductor based reconfigurable ultra-wideband low-noise amplifier |
| 12/24/2014 | CN104242829A 与基于多谐波近似的功率放大器效率相关的电路和方法 Multi-harmonic approximation based power amplifier efficiency associated circuits and methods |
| 12/24/2014 | CN104241795A Marchand平衡-不平衡转换器和使用Marchand平衡-不平衡转换器的功率放大器 Marchand balanced - and the use of Marchand balun balance - unbalance converter power amplifier |
| 12/24/2014 | CN102751956B 一种开关电容共模反馈结构 A switch capacitor CMFB structure |
| 12/24/2014 | CN102611393B 一种具有波段切换的射频功放系统 An RF power amplifier system with a band switching |
| 12/24/2014 | CN102522958B 一种光生毫米波功率合成电路 A light raw power millimeter-wave synthesis circuit |
| 12/24/2014 | CN102484458B 传感器装置 The sensor device |
| 12/24/2014 | CN102299993B 用于在移动终端中放大功率的装置和方法 Power amplification in a mobile terminal apparatus and method for |
| 12/24/2014 | CN102130660B 低噪声二进制编码增益放大器和医疗超声成像中时间增益补偿的方法 Low-noise amplifier gain binary coding and medical ultrasound imaging time gain compensation method |
| 12/24/2014 | CN101924971B 在便携式终端中输出音频信号的设备和方法 An audio signal output apparatus and method in a portable terminal |
| 12/23/2014 | US8917145 Amplifier circuit and operating method thereof |
| 12/23/2014 | US8917144 Power amplifier |
| 12/23/2014 | US8917143 Method and apparatus for filter-less analog input class D audio amplifier clipping |
| 12/23/2014 | US8917142 Switching circuit and envelope signal amplifier |
| 12/23/2014 | US8917141 Radio frequency power amplifier circuit and method |
| 12/23/2014 | US8917140 Apparatus and method for improving efficiency in power amplifier |
| 12/23/2014 | US8917114 Voltage detection circuit |
| 12/23/2014 | US8917082 Power detector |
| 12/18/2014 | US20140369529 Switched-Mode Audio Amplifier Employing Power-Supply Audio- Modulation |
| 12/18/2014 | US20140368949 Class-ab amplifier, motor device, magnetic disk storage device, and electronic apparatus |
| 12/18/2014 | US20140368371 Amplifier using multi input differential pair, and comparator and analog-to-digital converting apparatus using the same |
| 12/18/2014 | US20140368297 Power Dividing And/Or Power-Combining Circuits |
| 12/18/2014 | US20140368296 Acoustic wave device |
| 12/18/2014 | US20140368280 Protection Module for RF-Amplifier |
| 12/18/2014 | US20140368279 Direct Biasing A Gate Electrode Of A Radio Frequency Power Amplifier Through a Driver Stage |
| 12/18/2014 | US20140368278 Using Multiple-Driver Stages to Realize Fast Rise/Fall Time And Large Current Capability |
| 12/18/2014 | US20140368277 Radio frequency power amplifier and electronic system |
| 12/18/2014 | US20140368276 Self-biased receiver |
| 12/18/2014 | US20140368275 Amplifier in doherty configuration comprising a device for varying the working frequency and method thereof |
| 12/18/2014 | US20140368274 Amplification apparatus |
| 12/18/2014 | US20140368273 Electric circuit |
| 12/18/2014 | US20140368272 Programmable high-speed voltage-mode differential driver |
| 12/18/2014 | US20140368271 Amplifier circuit with overshoot suppression |
| 12/18/2014 | US20140368270 Marchand balun and power amplifier using the same |
| 12/18/2014 | US20140368268 Load Tuning Circuit For Pulse-Width / Pulse-Position Modulation Amplifier And Related Techniques |
| 12/18/2014 | US20140368267 Chopped circuit with ac and dc ripple error feedback loops |
| 12/18/2014 | US20140367557 Optical receiver module |
| 12/18/2014 | US20140367556 Photodetector integrated circuit (ic) having a sensor integrated thereon for sensing electromagnetic interference (emi) |
| 12/17/2014 | CN204031081U 一种宽带自动增益控制电路 Wideband AGC circuit |
| 12/17/2014 | CN204031080U 前置放大器 Preamplifier |
| 12/17/2014 | CN204031079U 一种信号放大及功率放大电路 A signal amplification and power amplification circuit |
| 12/17/2014 | CN204031078U 一种由tda2009构成的高保真btl功率放大电路 A hi-fi btl from power amplifier circuit configured tda2009 |
| 12/17/2014 | CN204031077U 射频功率放大电路以及射频功率放大器 RF power amplifier circuit and a radio frequency power amplifier |
| 12/17/2014 | CN204031074U 一种ClassD音频功率放大器温度保护调制电路 One kind ClassD audio power amplifier temperature modulation circuit protection |
| 12/17/2014 | CN104221283A 根据多尔蒂原理的准宽带放大器 According to the principle of quasi-wideband amplifier Doherty |
| 12/17/2014 | CN104218907A 衬底驱动低电压轨到轨运算放大器 Substrate drive low voltage rail-to-rail op amp |
| 12/17/2014 | CN104218906A 毫微伏特放大器设计 Ng volt amplifier design |
| 12/17/2014 | CN104218905A 差动放大器及驱动电路 Differential amplifier and driver circuit |
| 12/17/2014 | CN104218904A 轨至轨输入ab类输出的全差分运算放大器 Rail-to-rail input output ab class fully differential operational amplifier |
| 12/17/2014 | CN104218903A 一种基于自动增益控制技术的WiFi信号放大器 Based AGC technology WiFi signal amplifier |
| 12/17/2014 | CN104218902A 射频发送器和功率合成器 RF transmitter and power combiner |
| 12/17/2014 | CN104218901A 射频发送器和功率合成器 RF transmitter and power combiner |
| 12/17/2014 | CN104218900A 射频发送器以及无线通信单元 RF transmitter and a wireless communication unit |
| 12/17/2014 | CN104218899A 功率检测电路与使用其的射频功率放大电路和电子系统 Power detection circuit and using the same radio-frequency power amplifier circuit and an electronic system |
| 12/17/2014 | CN104218896A 导频生成和对消装置以及前馈功放系统 Pilot generating and feedforward cancellation device and amplifier system |
| 12/17/2014 | CN102790595B 一种单端转差分增益可配置射频宽带增益放大器 A single-ended-to-differential gain can be configured broadband RF amplifier gain |
| 12/17/2014 | CN102594375B 应用于卫星降频变换器的接收器及放大器 Down-converter used in satellite receivers and amplifiers |
| 12/17/2014 | CN102474226B 多级阻抗匹配 Multi-stage impedance matching |
| 12/17/2014 | CN102124646B 具有负载切换的高线性低噪声接收器 High linearity low noise receiver load switch |
| 12/16/2014 | US8914271 Method for predistorting signals for non-linear components in the presence of long term memory effects |
| 12/16/2014 | US8914099 Biomedical acquisition system with motion artifact reduction |
| 12/16/2014 | US8913974 RF power transmission, modulation, and amplification, including direct cartesian 2-branch embodiments |
| 12/16/2014 | US8913973 Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry |
| 12/16/2014 | US8913971 Selecting PA bias levels of RF PA circuitry during a multislot burst |
| 12/16/2014 | US8913967 Feedback based buck timing of a direct current (DC)-DC converter |
| 12/16/2014 | US8913691 Controlling output power of multiple-input single-output (MISO) device |
| 12/16/2014 | US8913690 Amplifier circuit and wireless communication equipment |
| 12/16/2014 | US8912937 High efficiency output stage amplification for radio frequency (RF) transmitters |
| 12/16/2014 | US8912865 Power combiner, power amplifying module having the same, and signal transceiving module |
| 12/16/2014 | US8912851 Apparatus and method for providing amplifier linearity information |