| 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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| 12/10/2014 | CN204013411U 提高功放工作带宽的偏置电路 Improve operating bandwidth amplifier bias circuit |
| 12/10/2014 | CN204013410U 一种计算机宽带信号放大器 A computer broadband signal amplifier |
| 12/10/2014 | CN204013409U 核电子学实验系统放大电路 Nuclear electronics experimental system amplifier |
| 12/10/2014 | CN204013408U 一种微弱电信号放大检测电路 A tinny amplifying and detecting circuit |
| 12/10/2014 | CN204013407U 用于射频接收机的高增益低噪声放大电路 High-gain low-noise RF receiver for amplifying circuit |
| 12/10/2014 | CN204013406U 一种峰值保持电路 One kind of peak hold circuit |
| 12/10/2014 | CN204013405U 一种支持多频段的可调谐高效功率放大器 A supportive and efficient multi-band tunable power amplifiers |
| 12/10/2014 | CN104205649A 适用于限制接入区域的移动电话及这种电话的工作小区 Work area suitable for restricted access area of mobile phones and this phone |
| 12/10/2014 | CN104205626A 具有可编程输入阻抗的开路增益互阻抗放大器 Open with programmable gain transimpedance amplifier input impedance |
| 12/10/2014 | CN104205625A 具有改进的效率的可重配置输入功率分配多尔蒂放大器 With improved efficiency reconfigurable input power distribution Doherty amplifier |
| 12/10/2014 | CN104204986A 基准电压电路 A reference voltage circuit |
| 12/10/2014 | CN104202279A 用于多信道宽带通信系统中的基带预失真线性化的方法和系统 Broadband communication system for multi-channel baseband predistortion linearization method and system |
| 12/10/2014 | CN104201994A 射频域数字预失真 RF domain digital predistortion |
| 12/10/2014 | CN104201993A 一体式集成Ka频段超导限幅低噪声放大器组件 Ka-band superconducting integrated limiter integrated low-noise amplifier module |
| 12/10/2014 | CN104201992A 基于锁定放大器的双环补偿抑制正交信号源相位噪声电路 Bicyclic based lock-in amplifier to compensate the quadrature signal source phase noise suppression circuitry |
| 12/10/2014 | CN102651334B 半导体装置及用于制造半导体装置的方法 The method of manufacturing a semiconductor device and a semiconductor device for |
| 12/10/2014 | CN102638229B 音频放大电路 Audio amplifier circuit |
| 12/10/2014 | CN102570988B 放大器装置 Amplifier device |
| 12/10/2014 | CN102480450B 预失真器控制装置和方法、功率控制状态检测方法 Apparatus and method, the power control state detecting method of the predistorter control |
| 12/10/2014 | CN102460958B 用于预测性过驱动检测的设备及方法 Been used for predictive testing apparatus and method for driving |
| 12/10/2014 | CN102386855B 同时具备高线性与低噪声特性的低噪声放大器及无线接收器 Along with high linearity and low noise characteristics of the low-noise amplifier and wireless receiver |
| 12/10/2014 | CN102187570B 包括具有不同开启功率水平的并联晶体管放大器组的集成电路 An integrated circuit including a transistor amplifier connected in parallel groups that have different power levels open |
| 12/10/2014 | CN102055409B 多级cmos功率放大器 Multistage amplifiers cmos |
| 12/09/2014 | US8909178 Method, RF module and test method for enabling power amplifier to support multiple powers |
| 12/09/2014 | US8908797 Apparatus and method for time alignment of an envelope tracking power amplifier |
| 12/09/2014 | US8908795 Apparatus and method for calibration of supply modulation in transmitter |
| 12/09/2014 | US8908751 Joint adaptive bias point adjustment and digital pre-distortion for power amplifier |
| 12/09/2014 | US8908176 Apparatus and method for obtaining spectral characteristics |
| 12/09/2014 | US8907728 High power wideband amplifier and method |
| 12/09/2014 | US8907727 Non-linear capacitance compensation |
| 12/09/2014 | US8907721 Offset cancellation for audio amplifier |
| 12/04/2014 | US20140355715 Power supply device, method for managing power supply thereof and wireless communication terminal |
| 12/04/2014 | US20140355714 Configurable pre-emphasis component for transmission circuitry |
| 12/04/2014 | US20140354363 Power amplifier |
| 12/04/2014 | US20140354362 Amplifier calibration |
| 12/04/2014 | US20140354359 High-frequency signal processing device |
| 12/04/2014 | US20140354350 Self-healing technique for high frequency circuits |
| 12/02/2014 | US8903343 Single-input multiple-output amplifiers with independent gain control per output |
| 12/02/2014 | US8903338 Linearization of power amplifiers through digital in-band predistortion followed by analog predistortion |
| 12/02/2014 | US8903337 Multi-band wide band power amplifier digital predistortion system |
| 12/02/2014 | US8903336 Method for compensating signal distortions in composite amplifiers |
| 12/02/2014 | US8903332 Circuit device and method of coupling to an antenna |
| 12/02/2014 | US8903310 Wireless communication apparatus |
| 12/02/2014 | US8903015 Apparatus and method for digital predistortion of non-linear amplifiers |
| 12/02/2014 | US8902001 Power supply device and power amplification apparatus using same |
| 12/02/2014 | US8901999 Audio-output amplifier circuit for audio device, audio device, electronic device including audio device, and output control method for audio device |
| 12/02/2014 | US8901998 Current-voltage converter having a current reflector, input stage of an amplifier and corresponding amplifier |
| 11/27/2014 | US20140347134 Bandwidth-extended doherty power amplifier |
| 11/27/2014 | US20140347132 Power amplifier apparatus, transmitter apparatus, and method of controlling the power amplifier apparatus |
| 11/27/2014 | US20140347130 Semiconductor integrated circuit device and high-frequency power amplifier module |
| 11/27/2014 | US20140347126 Low complexity digital predistortion for concurrent multi-band transmitters |
| 11/25/2014 | US8898038 Determination of beam parameters for unflattened photon beams |
| 11/25/2014 | US8897724 Method for controlling fast tracking power supply, fast tracking power supply, and system |
| 11/25/2014 | US8897460 Microphone amplifier |
| 11/25/2014 | US8896391 Tunable microwave devices with auto-adjusting matching circuit |
| 11/25/2014 | US8896383 Enhanced pulse frequency modulation (PFM) control mode for switching regulators |
| 11/25/2014 | US8896382 Amplification device and amplification method |
| 11/25/2014 | US8896378 Differential amplifier circuit with ultralow power consumption provided with adaptive bias current generator circuit |
| 11/25/2014 | US8896376 Digital amplifier |
| 11/25/2014 | US8896375 Efficiency improved envelope amplifier using dual switching amplifiers |
| 11/25/2014 | US8896372 Amplification apparatus |
| 11/20/2014 | US20140341319 Envelope tracking system for mimo |
| 11/20/2014 | US20140340177 Resonant circuit, distributed amplifier, and oscillator |
| 11/20/2014 | US20140340158 Reducing kickback current to power supply during charge pump mode transitions |
| 11/20/2014 | US20140340157 Power amplifier |
| 11/20/2014 | US20140340156 Amplifier |
| 11/20/2014 | US20140340155 Linearization of heterogeneous power amplifier systems |
| 11/20/2014 | US20140340149 Method for low power low noise input bias current compensation |
| 11/18/2014 | US8892063 Linear mode and non-linear mode quadrature PA circuitry |
| 11/18/2014 | US8891787 POP noise suppressing circuit and its method |
| 11/18/2014 | US8891697 Reception signal processing device |
| 11/18/2014 | US8891675 Power-indexed look-up table design of digital pre-distortion for power amplifiers with dynamic nonlinearities |
| 11/18/2014 | US8891672 Method and apparatus for maximizing power output based on linearity of a transmitter |
| 11/18/2014 | US8890622 Cascode amplifier |
| 11/18/2014 | US8890616 Power amplifier system with a current bias signal path |
| 11/18/2014 | US8890615 Buffering apparatus and method |
| 11/18/2014 | US8890611 Operational amplifier circuits |
| 11/18/2014 | US8890610 Compensation circuitry and method for amplifiers driving large capacitive loads |
| 11/18/2014 | US8890609 Systems and methods for band-limited adaptation for PA linearization |
| 11/18/2014 | US8890601 Method, system, and circuit with a driver output interface having a common mode connection coupled to a transistor bulk connection |
| 11/13/2014 | US20140333377 Capture buffer of digital predistortion systems |
| 11/13/2014 | US20140333376 Scalable digital predistortion system |
| 11/11/2014 | US8886246 Transmission power control method and transmission power control apparatus |
| 11/11/2014 | US8886147 Concurrent impedance and noise matching transconductance amplifier and receiver implementing same |
| 11/11/2014 | US8885340 Dual-performance low noise amplifier for satellite-based radiofrequency communication |
| 11/11/2014 | US8884703 VRAMP limiting using resistors |
| 11/11/2014 | US8884700 Integrated circuit chip temperature sensor |
| 11/11/2014 | US8884698 Transformer and CMOS power amplifier including the same |
| 11/11/2014 | US8884697 Amplifying device |
| 11/11/2014 | US8884695 Efficient supply voltage |
| 11/11/2014 | US8884694 Systems and methods of RF power transmission, modulation, and amplification |
| 11/11/2014 | US8884692 Multi-band power amplifier |
| 11/11/2014 | US8884688 Higher-order load circuit |
| 11/06/2014 | US20140327481 Digital hybrid mode power amplifier system |
| 11/06/2014 | US20140327480 Instrumentation amplifier with rail-to-rail input range |
| 11/04/2014 | US8880014 CMOS RF switch device and method for biasing the same |
| 11/04/2014 | US8880011 Power amplifiers with improved power control |
| 11/04/2014 | US8879666 Electronic system, RF power amplifier and temperature compensation method thereof |
| 11/04/2014 | US8879665 Controlling a power amplifier based on transmitter output emissions |
| 11/04/2014 | US8879663 Adaptive filtering for canceling distortion in radio frequency signals |