| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/15/2014 | US8779853 Amplifier with multiple zero-pole pairs |
| 07/15/2014 | US8779852 Class resonant-H electrosurgical generators |
| 07/15/2014 | US8779802 Delay lines, amplifier systems, transconductance compensating systems and methods of compensating |
| 07/15/2014 | US8779274 Electronic signal processor |
| 07/11/2014 | CA2839213A1 Broadband high efficiency amplifier system |
| 07/10/2014 | US20140192989 Programmably configured switchmode audio amplifier |
| 07/10/2014 | US20140191808 Systems and methods for biasing amplifiers during high-power operation with adaptive closed-loop control |
| 07/10/2014 | US20140191807 Systems and methods for biasing amplifiers with adaptive closed loop control |
| 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 | US20140191804 Variable gain amplifier |
| 07/10/2014 | US20140191802 Narrow voltage range multi-level output pulse modulated amplifier with one-bit hysteresis quantizer |
| 07/10/2014 | US20140191801 Bicmos gate driver for class-s radio frequency power amplifier |
| 07/10/2014 | US20140191797 Method and system for boosting the supply of power amplifier |
| 07/10/2014 | US20140191790 Offset cancelling circuit and method |
| 07/10/2014 | DE112012003868T5 Vorrichtung und Verfahren zur adaptiven Gleichtaktpegelschiebung Apparatus and method for adaptive common mode level shift |
| 07/10/2014 | DE102013200238A1 Verstärker mit steckbarer Biasversorgung Amplifier with plug-in bias supply |
| 07/10/2014 | DE102005050391B4 Ladungsverstärker Charge amplifier |
| 07/09/2014 | EP2752990A1 High-efficiency power amplifier |
| 07/09/2014 | CN103918179A 针对放大级的时间对准 For time alignment amplifier stage |
| 07/09/2014 | CN103918178A 自振荡d类放大器和针对自振荡d类放大器的自振荡频率控制方法 Self-oscillating class d amplifier and self-oscillation frequency control method for self-oscillation amplifier class d |
| 07/09/2014 | CN103918177A 放大器布置 Amplifier arrangement |
| 07/09/2014 | CN103916096A 用于射频（rf）发射器的高效输出级放大 Efficient radio frequency output stage for (rf) transmitter amplification |
| 07/09/2014 | CN103916095A 具有用于被感应地加热的燃料喷射器的有载扼流圈的调谐功率放大器 Having a load choke tuning amplifier for inductively heating the fuel injector |
| 07/09/2014 | CN103916094A 具有用于被感应地加热的燃料喷射器的多个有载扼流圈的调谐功率放大器 Having a plurality of inductively heated fuel injector load choke tuning amplifier |
| 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 | CN103916092A 混合数字/模拟功率放大器 Hybrid digital / analog amplifier |
| 07/09/2014 | CN103916091A 换导式功率放大器 In other guided PA |
| 07/09/2014 | CN103916090A 多绕组变压器耦合的放大器 Multi-winding transformer-coupled amplifier |
| 07/09/2014 | CN103916089A 一种射频功率放大器及其工作方法 An RF power amplifier and its working methods |
| 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 | CN101556482B 用于调节阈值电压的方法及其电路 For adjusting the threshold voltage method and circuit |
| 07/08/2014 | US8773219 Active hybrids for antenna system |
| 07/08/2014 | US8773206 Power amplifier apparatus and power amplifier circuit |
| 07/08/2014 | US8773205 Doherty power amplifier and implementation method thereof |
| 07/08/2014 | US8773203 Broadband, high-linearity LED amplifier having high output capacity in a compact design |
| 07/08/2014 | US8773202 High performance class AB operational amplifier |
| 07/08/2014 | US8773198 Auto-zero amplifier and sensor module using same |
| 07/08/2014 | US8773197 Distortion correction in class-D amplifiers |
| 07/08/2014 | US8773196 Resource pooling amplifier |
| 07/08/2014 | US8772699 Display device having a photosensor |
| 07/08/2014 | CA2739554C Transmitter architectures for communications systems |
| 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 | WO2014103132A1 Wireless communication apparatus, wireless communication system, and method for controlling wireless communication apparatus |
| 07/03/2014 | WO2014101450A1 B-a class power amplifier |
| 07/03/2014 | WO2014078742A3 Adjustable gain for multi-stacked amplifiers |
| 07/03/2014 | WO2014070938A3 Spur cancellation in gsm-gprs-edge power amplifiers with dc-dc converters |
| 07/03/2014 | US20140187175 Radio frequency switch circuit |
| 07/03/2014 | US20140185836 Pulse width modulator and switching amplifier |
| 07/03/2014 | US20140184341 Integration of signal sampling within transistor amplifier stage |
| 07/03/2014 | US20140184340 Integrated circuit for use in a hybrid output stage |
| 07/03/2014 | US20140184339 High Efficiency Output Stage Amplification for Radio Frequency (RF) Transmitters |
| 07/03/2014 | US20140184338 Ask modulation amplification circuit |
| 07/03/2014 | US20140184336 Amplifier Dynamic Bias Adjustment for Envelope Tracking |
| 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 | US20140184331 Amplifier Circuits and Methods of Amplifying an Input Signal |
| 07/03/2014 | US20140184328 Cascode bias of power mos transistors |
| 07/03/2014 | US20140184325 Signal splitting apparatus suitable for use in a power amplifier |
| 07/03/2014 | US20140184323 Hybrid Digital/Analog Power Amplifier |
| 07/03/2014 | DE102014001467A1 Gegentaktverstärker mit ruhestromeinsteller Push-pull amplifier with quiescent current adjuster |
| 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 |
| 07/02/2014 | EP2750290A1 One-bit digital-to-analog converter offset cancellation |
| 07/02/2014 | EP2750289A1 Pulse width modulator and switching amplifier |
| 07/02/2014 | EP2750288A1 Hybrid digital/analog power amplifier |
| 07/02/2014 | EP2750287A1 Cascode bias of power MOS transistors |
| 07/02/2014 | EP2748924A1 Radio frequency power amplifier circuit and method |
| 07/02/2014 | EP2748624A1 Gradient amplifier with compensation for dead time and forward voltage |
| 07/02/2014 | CN203691356U 一种由分立件构成的双极性高压脉冲输出的放大电路 A bipolar high voltage pulse amplifier circuit output constituted by separate member |
| 07/02/2014 | CN203691355U X波段100w脉冲功率放大器 X-band pulse power amplifier 100w |
| 07/02/2014 | CN203691354U 一种频率和带宽可调的射频放大器 A frequency and bandwidth tunable RF amplifiers |
| 07/02/2014 | CN203691351U 车辆用音响功率放大器 Vehicles with subwoofers |
| 07/02/2014 | CN103907285A 差分放大器 The differential amplifier |
| 07/02/2014 | CN103907283A 用于mimo的包络跟踪系统 Mimo for envelope tracking system |
| 07/02/2014 | CN103905037A 一种用于Gm-C滤波器的主从结构频率校准电路 A main Gm-C filter for frequency calibration circuit from the structure |
| 07/02/2014 | CN103905007A 一种电流输入型前置放大器 A current input type preamplifier |
| 07/02/2014 | CN103905006A 一种具有占空比限制功能的d类功放芯片及其装置 D class amplifier chip and device having a duty cycle limit function |
| 07/02/2014 | CN103905005A 射频放大器和磁共振成像系统 RF amplifier and magnetic resonance imaging system |
| 07/02/2014 | CN103905004A 一种用于导航测距的射频功率放大系统 An RF power amplifier ranging navigation system |
| 07/02/2014 | CN103905003A 一种内嵌直流失调消除的低电源电压可编程增益放大器 DC offset cancellation, an embedded low power supply voltage programmable gain amplifier |
| 07/02/2014 | CN103905002A 一种提升增益变化范围的低温度系数可变增益放大器 Way to boost the gain variation range of low temperature coefficient of the variable gain amplifier |
| 07/02/2014 | CN102394574B 一种基于rf-ldmos的宽带功率放大器 Based rf-ldmos broadband amplifier |
| 07/02/2014 | CN102132481B 等离子功率供给装置 Plasma power supply device |
| 07/02/2014 | CN102119483B 用于改善平衡-不平衡变换器负载质量因数的技术 Balun load factor of technical quality - improving the balance for |
| 07/02/2014 | CN102100002B 用于经量化信号的切换功率放大器 A power amplifier for switching the quantized signal |
| 07/01/2014 | US8766851 Butler matrix and multi-port amplifier having the same |
| 07/01/2014 | US8766728 Trans-impedance amplifier with enhanced dynamic range but invariable input impedance |
| 07/01/2014 | US8766727 Power amplification circuit |
| 07/01/2014 | US8766723 Methods and devices for folded push pull power amplifiers |
| 07/01/2014 | US8766722 Quiescent control circuit for providing control current for an amplifier |
| 07/01/2014 | US8766721 Time gain compensation |
| 07/01/2014 | US8766720 Hybrid load differential amplifier operable in a high temperature environment of a turbine engine |
| 07/01/2014 | US8766717 Systems and methods of RF power transmission, modulation, and amplification, including varying weights of control signals |
| 07/01/2014 | US8766715 Amplifier circuit |
| 07/01/2014 | US8766713 Switching amplifier with embedded harmonic rejection filter |
| 07/01/2014 | US8766712 Quality factor tuning for LC circuits |