| 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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| 03/05/2015 | WO2015031199A1 Combination nmos/pmos power amplifier |
| 03/05/2015 | WO2015030663A1 Amplifying stage working point determination |
| 03/05/2015 | WO2015029462A1 Power amplification device and control method for power amplification device |
| 03/05/2015 | WO2015028335A1 Inductive respiration sensor |
| 03/05/2015 | US20150061778 Power supply device for high frequency power amplifying circuit and high frequency power amplifying apparatus |
| 03/05/2015 | US20150061774 Digital predistortion system and method with extended correction bandwidth |
| 03/05/2015 | US20150061773 Digital predistortion apparatus and method |
| 03/05/2015 | US20150061772 Circuit to Reduce Output Capacitor of LDOs |
| 03/05/2015 | US20150061762 Dual power amplifier linearizer |
| 03/05/2015 | US20150061761 Determination of envelope shaping and signal path predistortion of an et amplification stage using device characterisation data |
| 03/05/2015 | DE112012006395T5 Verstärkerschaltung Amplifier circuit |
| 03/05/2015 | DE102013217233A1 Verfahren zum Erkennen eines defekten Verstärkers einer analogen Signalaufbereitung eines Schalters A method for detecting a defective amplifier an analog signal processing a switch |
| 03/05/2015 | DE102013109441A1 Steuereinrichtung und Verfahren zum Steuern einer Prozessvariable und Leistungsversorgungsschaltung, umfassend eine Leistungsversorgung und eine Steuereinrichtung Control device and method for controlling a process variable and power supply circuit comprising a power supply and control means |
| 03/04/2015 | EP2843832A1 A wideband amplifier |
| 03/03/2015 | US8971831 Front-end system for radio devices |
| 03/03/2015 | US8971830 Multi-mode multi-band power amplifier module |
| 03/03/2015 | US8971829 Convergence estimation for iterative predistortion factor determination for predistortion in power amplifiers |
| 03/03/2015 | US8971398 System and method for generating a radio frequency pulse-width modulated signal |
| 03/03/2015 | US8971208 Multi-channel radio-frequency receiver |
| 03/03/2015 | US8970303 Amplifiers and related biasing methods and devices |
| 03/03/2015 | US8970299 RF power amplifier and operating method thereof |
| 03/03/2015 | US8970298 Digitally controlled power supplies for an audio amplifier |
| 03/03/2015 | US8970296 Amplifying circuit with bypass mode and series isolation switch |
| 03/03/2015 | US8970294 Distribution amplifier with intellectual signaling |
| 02/26/2015 | WO2015026573A1 Harmonic trap for common gate amplifier |
| 02/26/2015 | WO2015025041A1 Optimisation of envelope tracked power amplifier |
| 02/26/2015 | WO2015024208A1 Balanced doherty power amplifier circuit and wireless transmitter |
| 02/26/2015 | US20150055733 High frequency circuit and high frequency module including the same |
| 02/26/2015 | US20150055731 Digital Transmitter With Sample Rate Digital Predistortion |
| 02/26/2015 | US20150054588 Supply modulator |
| 02/26/2015 | US20150054586 Constant gm bias circuit insensitive to supply variations |
| 02/26/2015 | US20150054585 Pre-distortion method, associated apparatus and non-transitory machine readable medium |
| 02/26/2015 | US20150054584 Class ab signal generation apparatus |
| 02/26/2015 | US20150054579 System and method for fast polynomial pre-distortion |
| 02/26/2015 | US20150054578 Amplification systems and methods with one or more channels |
| 02/25/2015 | EP2840718A2 Method and device for controlling power amplification |
| 02/25/2015 | EP2840710A1 Power amplification system, device and method |
| 02/25/2015 | EP2840709A1 Amplifier and method of amplification |
| 02/25/2015 | EP2839579A1 High side current sense amplifier |
| 02/25/2015 | EP2839578A1 Reconfigurable lna for increased jammer rejection |
| 02/24/2015 | US8965736 High accuracy and high dynamic range MEMS inertial measurement unit with automatic dynamic range control |
| 02/24/2015 | US8965735 Signal processing device |
| 02/24/2015 | US8965727 Intelligent low noise design |
| 02/24/2015 | US8965454 Amplifier system for cell sites and other suitable applications |
| 02/24/2015 | US8965322 Low noise amplifier |
| 02/24/2015 | US8965315 Impedance circuit and method for signal transformation |
| 02/24/2015 | US8965010 Multi-stage amplifiers to reduce pop noise |
| 02/24/2015 | US8964901 Analog/digital co-design methodology to achieve high linearity and low power dissipation in a radio frequency (RF) receiver |
| 02/24/2015 | US8964893 Predistortion apparatus for power amplifier |
| 02/24/2015 | US8964892 Apparatus and method for operating a transmitter |
| 02/24/2015 | US8964821 Shared feedback for adaptive transmitter pre-distortion |
| 02/24/2015 | US8964250 Digital processing for compensating signals emitted by photosites of a colour sensor |
| 02/24/2015 | US8963644 Reconfigurable output matching network for multiple power mode power amplifiers |
| 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 | US8963559 Variable impedance device |
| 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 | US20150049843 Combined Transmission Precompensation and Receiver Nonlinearity Mitigation |
| 02/19/2015 | US20150049822 Pilot tone for amplifier bias point |
| 02/19/2015 | US20150048891 Expanded range dc-dc converter |
| 02/19/2015 | US20150048890 Radio communication circuit and radio communication apparatus |
| 02/19/2015 | US20150048889 Ultra-wideband low-noise amplifier circuit with low power consumption |
| 02/19/2015 | US20150048888 Assembly structure of power amplifier |
| 02/19/2015 | US20150048887 Amplifier circuit |
| 02/19/2015 | US20150048886 Temperature detecting apparatus, switch capacitor apparatus and voltage integrating circuit thereof |
| 02/18/2015 | EP2838195A1 Combiner circuit for a class-e outphasing power amplifier |
| 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 | US8958750 Peak detection method using blind source separation |
| 02/17/2015 | US8958576 Dynamically biased amplifier |
| 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 | US8957730 Signal processing apparatus and amplification apparatus |
| 02/17/2015 | US8957729 Memory structure having taps and non-unitary delays between taps |
| 02/17/2015 | US8957727 Asymmetric multilevel outphasing architecture for RF amplifiers |
| 02/17/2015 | US8957726 Amplification circuit and method therefor |
| 02/17/2015 | US8956935 Method for manufacturing compound semiconductor device |
| 02/12/2015 | WO2015019523A1 Parallel resonant circuit |
| 02/12/2015 | WO2015019091A1 Predistortion in satellite signal transmission systems |
| 02/12/2015 | US20150042406 Peak-to-Average Ratio Detector |
| 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 |
| 02/11/2015 | EP2834917A1 Headphone amplifier |
| 02/11/2015 | EP2834916A1 Extremely high frequency dual-mode class ab power amplifier |
| 02/11/2015 | EP2834915A1 Determination of envelope shaping and signal path predistortion of an et amplification stage using device characterisation data |
| 02/11/2015 | EP2834914A1 Dynamic characterisation of amplifier using multiple envelope shaping functions |
| 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 | CN204156824U 一种高频补偿电路 A high-frequency compensation circuit |
| 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 | CN204156822U 失真度低的低噪声放大器电路 Low distortion, low noise amplifier circuit |
| 02/11/2015 | CN204156821U 宽带低噪声放大器 Broadband Low Noise Amplifier |
| 02/11/2015 | CN204156820U 低噪声放大器电路 Low-noise amplifier circuit |
| 02/11/2015 | CN204156819U 多级低噪声放大器 Multi-stage low noise amplifier |
| 02/11/2015 | CN204156818U 改进型低噪声放大器 Improved low noise amplifier |
| 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 |