| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 07/01/2014 | US8766427 RF-power device |
| 07/01/2014 | US8766162 Ambient light based gesture detection |
| 06/26/2014 | WO2014100513A1 Multi-mode multi-band power amplifiers |
| 06/26/2014 | WO2014100512A1 Multi-stage amplifier |
| 06/26/2014 | WO2014100046A1 Tunable wide band driver amplifier |
| 06/26/2014 | WO2014099218A1 Current mirror with saturated semiconductor resistor |
| 06/26/2014 | WO2014097062A1 System and method for the digital pre-distortion in power amplifiers, particularly for radio-frequency communications |
| 06/26/2014 | WO2014094824A1 Amplifier circuit and method |
| 06/26/2014 | WO2014078759A8 Rail-to-rail constant transconductance differential input stage |
| 06/26/2014 | US20140177876 Audio amplifier performance while maintaining usb compliance and power down protection |
| 06/26/2014 | US20140177493 Power amplifying circuit and front end module including the same |
| 06/26/2014 | US20140176358 Method of producing low-power switched-capacitor amplifier, circuit and a pipeline analog-to-digital converter including the same |
| 06/26/2014 | US20140176356 Apparatus and methods for voltage comparison |
| 06/26/2014 | US20140176243 Systems and methods to adjust the matching conditions of an amplifier |
| 06/26/2014 | US20140176242 Driver amplifier with asymmetrical t-coil matching network |
| 06/26/2014 | US20140176241 High-frequency bandwidth amplifying circuit |
| 06/26/2014 | US20140176240 High-frequency bandwidth amplifying circuit |
| 06/26/2014 | US20140176239 Adaptive control mechanisms to control input and output common-mode voltages of differential amplifier circuits |
| 06/26/2014 | US20140176238 Dc offset cancellation for a multi-stage amplifier |
| 06/26/2014 | US20140176237 Electronic device and control method thereof |
| 06/26/2014 | US20140176236 Pilot signal generation circuit |
| 06/26/2014 | DE102013224618A1 Leistungsverstärker Power amplifier |
| 06/25/2014 | EP2747280A1 Electronic device and control method thereof |
| 06/25/2014 | EP2747134A1 Amplifier device |
| 06/25/2014 | EP2745407A1 Low noise amplifiers with combined outputs |
| 06/25/2014 | EP2745398A1 Multi-channel class-d audio amplifier with planar inductors |
| 06/25/2014 | EP2745397A2 Class e amplifier overload detection and prevention |
| 06/25/2014 | CN203675058U 一种频率补偿差分输入放大电路 A frequency compensation differential input amplifier circuit |
| 06/25/2014 | CN203675057U 集成升压电路的音频功率放大器 Audio power amplifier integrated booster circuit |
| 06/25/2014 | CN203675056U 功放电路 Amplifier circuit |
| 06/25/2014 | CN103891136A 开关电路以及包络信号放大器 The switching circuit, and the envelope signal of the amplifier |
| 06/25/2014 | CN103888155A 射频发射机、集成电路器件、无线通信单元及相关方法 A radio frequency transmitter, an integrated circuit device, a wireless communication unit, and related methods |
| 06/25/2014 | CN103888093A 差分信号的共模电平重置电路 Common-mode level of the differential signal reset circuit |
| 06/25/2014 | CN103888092A 一种差动传感器信号放大调理电路 One kind of differential sensor signal conditioning circuits enlarge |
| 06/25/2014 | CN103888091A 用于数字音频d类功放的谐波失真校正方法 Harmonic d class amplifier for digital audio distortion correction method |
| 06/25/2014 | CN103888090A 功率放大装置及应用该功率放大装置的无线信号传送器 Application of the power amplifying apparatus and a radio signal transmitter to the power amplification device |
| 06/25/2014 | CN103888089A 功率放大器 PA |
| 06/25/2014 | CN103888086A 电子系统、射频功率放大器及其偏压点自我调整方法 Electronic systems, radio frequency power amplifiers and bias point of self-adjustment method |
| 06/25/2014 | CN102308475B 高频功率放大器 High frequency power amplifier |
| 06/25/2014 | CN102130658B 用于共源共栅放大器的反馈偏置 Feedback bias for the cascode amplifier |
| 06/25/2014 | CN101604962B 可变增益rf放大器 Variable gain amplifier rf |
| 06/24/2014 | US8761707 Radio frequency low noise amplifier load circuit |
| 06/24/2014 | US8760230 Switching amplifier with pulsed current source and sink |
| 06/24/2014 | US8760229 Switching amplifier and audio device |
| 06/24/2014 | US8760228 Differential power management and power amplifier architecture |
| 06/24/2014 | US8760226 Class resonant-H electrosurgical generators |
| 06/24/2014 | US8760225 BiCMOS gate driver for class-S radio frequency power amplifier |
| 06/24/2014 | US8760224 Amplifying circuits and calibration methods therefor |
| 06/24/2014 | US8760198 Low voltage line driver |
| 06/19/2014 | WO2014091518A1 Current amplifier, and galvano scanner provided with said amplifier |
| 06/19/2014 | WO2014062264A3 Conditionally-stable operational amplifier with tunable wideband buffers |
| 06/19/2014 | US20140169589 Amplifier apparatus with controlled negative output impedance |
| 06/19/2014 | US20140169588 Boosted Differential Class H Amplifier |
| 06/19/2014 | US20140167860 Multi-stage amplifier |
| 06/19/2014 | US20140167857 Transconductance Amplifier |
| 06/19/2014 | US20140167855 Rf power transistor circuits |
| 06/19/2014 | US20140167853 Power amplifier |
| 06/19/2014 | US20140167852 Semiconductor device and offset voltage correcting method |
| 06/19/2014 | US20140167851 Current-mode line driver |
| 06/19/2014 | US20140167849 Differential amplifier |
| 06/19/2014 | US20140167848 Sense amplifier having loop gain control |
| 06/19/2014 | US20140167847 Operational Amplifying Device with Auto-adjustment Output Impedance |
| 06/19/2014 | US20140167846 Amplifier, mobile communication device and method for amplifying |
| 06/19/2014 | US20140167842 Power circuit and method thereof |
| 06/18/2014 | EP2744103A1 Boosted differential Class H Amplifier |
| 06/18/2014 | EP2742592A1 Power amplifier and power transmission apparatus |
| 06/18/2014 | DE102013021315A1 Verstärker, mobiles Kommunikationsgerät und Verfahren zum Verstärken Amplifier, mobile communication device and method for enhancing |
| 06/18/2014 | DE102012223662A1 Method for generating high frequency power used for laser excitation process in e.g. plasma coating plant, involves amplifying analog signal generated by converter in amplifier paths, so that amplitude of analog signal is modulated |
| 06/18/2014 | DE102012024488A1 Transimpedanzverstärker und dessen Verwendung für eine abtastende optoelektronische Detektionseinrichtung Transimpedance amplifier and its use for a scanning optoelectronic detection device |
| 06/18/2014 | CN203660997U 一种直流放大器电路 A DC amplifier circuit |
| 06/18/2014 | CN203660996U 高速高增益全差分运算放大器 High speed, high gain fully differential operational amplifier |
| 06/18/2014 | CN203660995U 一种多媒体智能音频功率放大器 A multimedia smart audio power amplifier |
| 06/18/2014 | CN203660994U 一种微电流放大器 A micro-current amplifier |
| 06/18/2014 | CN203660993U 162.5MHz700W固态功率放大器 162.5MHz700W solid state power amplifiers |
| 06/18/2014 | CN103875182A High-frequency amplifier module and high-frequency amplifier module unit |
| 06/18/2014 | CN103875181A Optical power monitoring device, method, and program |
| 06/18/2014 | CN103875180A Low-mismatch and low-consumption transimpedance gain circuit for temporally differentiating photo-sensing systems in dynamic vision sensors |
| 06/18/2014 | CN103873062A RF-DAC cell and method for providing an RF output signal |
| 06/18/2014 | CN103873001A Low-power-supply-voltage programmable gain amplifier |
| 06/18/2014 | CN103873000A Amplifier, mobile communication device and method for amplifying |
| 06/18/2014 | CN103872999A Wide dynamic complementary variable gain amplifier |
| 06/18/2014 | CN103872996A Multichannel circuit of base station power amplifier and control method of multichannel circuit |
| 06/18/2014 | CN103872995A Wide-band dB linear automatic gain control amplifier with temperature compensation |
| 06/18/2014 | CN103872994A Bias circuit and power amplifier with dual power mode |
| 06/18/2014 | CN103872993A Power amplifier circuit as well as electronic device and method for regulating output impedance |
| 06/18/2014 | CN103872992A Electronic system, radio frequency power amplifier and output power compensation method thereof |
| 06/18/2014 | CN102299690B Systems and methods for over-current protection |
| 06/18/2014 | CN102265511B Power amplifier |
| 06/18/2014 | CN102170272B Power amplifier and bridge circuit thereof |
| 06/17/2014 | US8754711 Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff |
| 06/17/2014 | US8754710 Low-noise amplifiers for RF receiver |
| 06/17/2014 | US8754709 Doherty power amplifier and implementation method thereof |
| 06/17/2014 | US8754708 Operational amplifier |
| 06/17/2014 | US8754676 Direct drive waveform amplifier |
| 06/17/2014 | US8754356 Single photon detector and photon number resolving detector |
| 06/17/2014 | CA2836605A1 System and method for voltage and current sensing |
| 06/17/2014 | CA2836453A1 System and method for voltage and current sensing |
| 06/17/2014 | CA2650532C Systems and methods of rf power transmission, modulation, and amplification |
| 06/12/2014 | WO2014088223A1 Amplifier circuit and operation method thereof |
| 06/12/2014 | WO2014087980A1 Operational amplifier |