| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 02/24/2015 | US8963635 Apparatus and method for producing signals coded with amplitude shift keying |
| 02/24/2015 | US8963634 Load current sensing |
| 02/24/2015 | US8963632 High-frequency power amplifier with doherty extension |
| 02/24/2015 | US8963631 Signal amplifying circuit of communication device |
| 02/24/2015 | US8963613 Canceling third order non-linearity in current mirror-based circuits |
| 02/24/2015 | US8963582 Signal amplification circuit and method |
| 02/24/2015 | US8963559 Variable impedance device |
| 02/24/2015 | US8963448 Output buffer circuit, devices including the same, and operating method of the output buffer circuit |
| 02/24/2015 | US8962427 Method of producing semiconductor device |
| 02/19/2015 | WO2015021552A1 Clipped amplifier |
| 02/19/2015 | US20150052573 Fiber-optic node with forward data content driven power consumption |
| 02/19/2015 | US20150049883 Amplifier |
| 02/19/2015 | US20150048892 Low-noise current source |
| 02/19/2015 | US20150048891 Expanded range dc-dc converter |
| 02/19/2015 | US20150048890 Radio communication circuit and radio communication apparatus |
| 02/19/2015 | US20150048887 Amplifier circuit |
| 02/19/2015 | US20150048886 Temperature detecting apparatus, switch capacitor apparatus and voltage integrating circuit thereof |
| 02/19/2015 | US20150048885 Gain control circuit and method capable of easing leakage current influence |
| 02/19/2015 | US20150048884 Amplifier circuits |
| 02/19/2015 | US20150048883 Stabilizing a Power Combining Power Supply System |
| 02/19/2015 | US20150048882 Apparatus and method for testing of successful operation of transimpedance amplifiers |
| 02/19/2015 | DE102013216198A1 Ortungsgerät mit einer Wechselspannungsortungsvorrichtung Locating device with an AC voltage detection device |
| 02/18/2015 | EP2838195A1 Combiner circuit for a class-e outphasing power amplifier |
| 02/18/2015 | EP2838194A1 Amplifier circuits |
| 02/18/2015 | EP2837093A1 Digital predistorter (dpd) structure based on dynamic deviation reduction (ddr)-based volterra series |
| 02/17/2015 | US8958763 PA bias power supply undershoot compensation |
| 02/17/2015 | US8958761 Determining on chip loading impedance of RF circuit |
| 02/17/2015 | US8958576 Dynamically biased amplifier |
| 02/17/2015 | US8958575 Amplifier with configurable DC-coupled or AC-coupled output |
| 02/17/2015 | US8957801 Method and system for flash type analog to digital converter |
| 02/17/2015 | US8957734 Amplifier calibration |
| 02/17/2015 | US8957733 Systems and methods for performing multi-modal power amplification |
| 02/17/2015 | US8957732 Amplifier and transceiver including the amplifier |
| 02/17/2015 | US8957731 Amplifier circuit with offset control |
| 02/17/2015 | US8957730 Signal processing apparatus and amplification apparatus |
| 02/17/2015 | US8957728 Combined filter and transconductance amplifier |
| 02/17/2015 | US8957727 Asymmetric multilevel outphasing architecture for RF amplifiers |
| 02/17/2015 | US8957726 Amplification circuit and method therefor |
| 02/17/2015 | US8957365 Light reception circuit and light reception device |
| 02/12/2015 | WO2015019523A1 Parallel resonant circuit |
| 02/12/2015 | US20150045095 Power amplifier providing high efficiency |
| 02/12/2015 | US20150042406 Peak-to-Average Ratio Detector |
| 02/12/2015 | US20150042405 Power detection circuit and rf signal amplification circuit having the same |
| 02/12/2015 | US20150042404 High slew rate operational amplifier and operating method thereof |
| 02/12/2015 | US20150042403 High-Voltage Voltage-Switched Class-S Amplifier |
| 02/12/2015 | US20150042340 Apparatus and method for amplifying a radio-frequency signal |
| 02/12/2015 | DE112006003020B4 Operationsverstärker mit Null-Offset Operational amplifier with zero offset |
| 02/12/2015 | DE102014111360A1 Halbleiterbauelement, elektronische schaltung undverfahren zum schalten von hohen spannungen A semiconductor device, electronic circuitry for switching high voltages undverfahren |
| 02/12/2015 | DE102014111252A1 Elektronisches Bauteil und Verfahren Electronic component and method |
| 02/11/2015 | EP2834917A1 Headphone amplifier |
| 02/11/2015 | EP2834916A1 Extremely high frequency dual-mode class ab power amplifier |
| 02/11/2015 | CN204156828U 高压运算放大电路 High voltage operational amplifier circuit |
| 02/11/2015 | CN204156827U 一种用于雷达系统的宽带功率放大器芯片及放大器 Broadband power amplifiers and amplifier chips for radar systems |
| 02/11/2015 | CN204156826U 宽带功率放大器 Broadband Power Amplifier |
| 02/11/2015 | CN204156825U 射频功率放大器 RF power amplifier |
| 02/11/2015 | CN204156823U 一种微弱信号测量的宽频带低噪声差分放大电路 Wideband low-noise differential measurement of a weak signal amplifying circuit |
| 02/11/2015 | CN204156817U 音频功放电路的供电装置及音频播放设备 Power supply unit and audio playback device audio amplifier circuit |
| 02/11/2015 | CN204156816U 提高功率合成效率的功率放大器 Improve the efficiency of the power amplifier synthesis |
| 02/11/2015 | CN204154588U 一种用于里氏硬度计探头识别和信号放大的电路 An Leeb hardness tester probe recognition and signal amplification circuitry for |
| 02/11/2015 | CN104348435A 多层次的输出共源共栅级 Multi-level output cascode stage |
| 02/11/2015 | CN104348434A 放大电路 Amplifier |
| 02/11/2015 | CN104348433A 高速运算放大器及其运作方法 Speed op amps and method of operation |
| 02/11/2015 | CN104348432A 一种差分输出增益相位高度平衡且稳健的单转双低噪声放大器 Kind of differential output gain phase highly balanced and robust single-turn double low noise amplifier |
| 02/11/2015 | CN104348431A 共模反馈的差分放大电路及方法、集成电路 Common mode feedback differential amplifier circuit and method, an integrated circuit |
| 02/11/2015 | CN104348430A 低噪声放大器和芯片 Low-noise amplifiers and chips |
| 02/11/2015 | CN104348429A 直流漂移消除电路 DC offset cancellation circuit |
| 02/11/2015 | CN104348428A 用于振幅调变至相位调变失真补偿的装置及方法 For amplitude modulation to phase modulation distortion compensation apparatus and method |
| 02/11/2015 | CN104348427A 一种d类音频功放电路、功率放大器及音频播放装置 One kind of class d audio amplifier circuit, amplifier and audio playback device |
| 02/11/2015 | CN104348426A 一种p波段大功率放大器装置 One kind of p-band high-power amplifier device |
| 02/11/2015 | CN104348425A 一种实现多个射频功率放大单元的自适应兼容系统及方法 Adaptive system and method is compatible with a plurality of radio-frequency power amplifying unit implemented |
| 02/11/2015 | CN104348424A 具有增强的线性度的分离偏置射频功率放大器 Separation with enhanced linearity bias RF power amplifier |
| 02/11/2015 | CN104348423A 功率放大器 PA |
| 02/11/2015 | CN104348420A 功率放大模块 Power amplifier module |
| 02/11/2015 | CN104348416A 差动振荡器 Differential Oscillators |
| 02/11/2015 | CN102780459B 应用于mems读出电路的伪随机调制解调斩波电路 Applied to the pseudo-random reads mems modem chopper circuit |
| 02/10/2015 | US8953952 Optical receiver based on a decision feedback equalizer |
| 02/10/2015 | US8953728 System for processing data streams |
| 02/10/2015 | US8952765 System and methods of bimodal automatic power and frequency tuning of RF generators |
| 02/10/2015 | US8952761 System and method for supporting different types of oscillator circuits |
| 02/10/2015 | US8952758 Amplifier using nonlinear drivers |
| 02/10/2015 | US8952757 Amplifiers with enhanced power supply rejection ratio at the output stage |
| 02/10/2015 | US8952756 Antenna drive apparatus |
| 02/10/2015 | US8952755 Power amplifier |
| 02/10/2015 | US8952754 Linearization of heterogeneous power amplifier systems |
| 02/10/2015 | US8952753 Dynamic power supply employing a linear driver and a switching regulator |
| 02/10/2015 | US8952752 Smart power combiner |
| 02/10/2015 | US8952751 Amplifier circuits and methods of amplifying an input signal |
| 02/10/2015 | US8952455 Source follower circuit or bootstrap circuit, driver circuit comprising such circuit, and display device comprising such driver circuit |
| 02/05/2015 | WO2015017832A1 Apparatus and methods for biasing power amplifiers |
| 02/05/2015 | WO2015017487A1 Amplifiers with configurable mutually-coupled source degeneration inductors |
| 02/05/2015 | WO2015014303A1 Tunable radio frequency low noise amplifier |
| 02/05/2015 | WO2015014104A1 Low-noise amplifier and chip |
| 02/05/2015 | US20150038870 Multi-Channel Scalable EEG Acquisition System on a Chip with Integrated Patient Specific Seizure Classification and Recording Processor |
| 02/05/2015 | US20150038093 Tunable Radio Frequency Low Noise Amplifier |
| 02/05/2015 | US20150038092 Power Amplifier Open Loop Current Clamp |
| 02/05/2015 | US20150035813 Drive circuit of organic light emitting display and offset voltage adjustment unit thereof |
| 02/05/2015 | US20150035607 Power amplifier module |
| 02/05/2015 | US20150035606 Time and amplitude alignment in envelope tracking amplification stage |
| 02/05/2015 | US20150035605 Apparatus and methods for biasing power amplifiers |
| 02/05/2015 | US20150035604 Coupler with distributed feeding and compensation |