Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
03/2014
03/26/2014CN102355200B Single-ended input and differential output parallel dual-frequency low noise amplifier and design method thereof
03/26/2014CN101510760B High efficiency power amplifier
03/25/2014US8680928 Power amplifier including variable capacitor circuit
03/25/2014US8680920 Area efficient, programmable-gain amplifier
03/25/2014US8680917 Analog circuit and display device and electronic device
03/25/2014US8680916 High efficiency variable voltage supply
03/25/2014US8680915 Techniques to reduce memory effect or inter-symbol interference (ISI) in circuits using op-amp sharing
03/20/2014WO2014042950A1 Amplifier with voltage and current feedback error correction
03/20/2014WO2014042270A1 Transmitter
03/20/2014WO2014041835A1 Transmitting amplifier, and transmitter
03/20/2014WO2014040613A1 High power broadband amplifier
03/20/2014WO2014016704A3 Power amplifier pre-distortion
03/20/2014US20140079246 Distortion Limiter and Automatic Power Control for Drivers
03/20/2014US20140077884 High voltage amplifiers and methods
03/20/2014US20140077883 Cascode Cell Having DC Blocking Capacitor
03/20/2014US20140077881 Power Amplifier with Stabilising Network
03/20/2014US20140077878 Folded-cascode amplifier
03/20/2014US20140077874 Adjustable power splitters and corresponding methods & apparatus
03/20/2014US20140077873 Chopped circuit with ac and dc ripple error feedback loops
03/20/2014DE102013109689A1 Gegentaktverstärker und gegentaktdifferenzverstärker Push-pull amplifier and push-pull amplifier difference
03/19/2014EP2709274A1 Amplifier circuit and wireless communication device
03/19/2014EP2709273A1 Folded-cascode amplifier
03/19/2014EP2709272A1 Power supply device, transmission device using same, and method for operating power supply device
03/19/2014EP2709271A2 Quiescent current determination using in-package voltage measurements
03/19/2014EP2707951A1 Positive feedback common gate low noise amplifier
03/19/2014EP2707950A1 Power supply with rectifier protection
03/19/2014EP2707949A1 Current buffer
03/19/2014EP2707948A2 System providing switchable impedance transformer matching for power amplifiers
03/19/2014EP2707947A1 Time and amplitude alignment in envelope tracking amplification stage
03/19/2014CN203491980U High-fidelity audio power amplification integrated circuit
03/19/2014CN203491978U Output stage circuit, class AB amplifier and electronic device
03/19/2014CN203491977U Compromise/short (C/S) dual band power amplifier
03/19/2014CN203491976U Filter and amplification circuit for human body electronic scale
03/19/2014CN103650645A Power supply apparatus for generating plasma, method for setting parameter for generating plasma
03/19/2014CN103650357A Wireless apparatus and method for manufacturing same
03/19/2014CN103650342A Quadrature hybrid coupler, amplifier, and wireless communication device
03/19/2014CN103650337A Apparatus and methods for biasing power amplifiers
03/19/2014CN103650336A System providing switchable impedance transformer matching for power amplifiers
03/19/2014CN103647519A Input stage of operational amplifier
03/19/2014CN103647518A Adjustable input error amplifier for single-stage power factor correction controller
03/19/2014CN103647516A Method for designing transmitter linearity
03/19/2014CN103647515A Amplifier and mobile communication device
03/19/2014CN103647514A Alternating current coupling loop applied to current and voltage transresistance amplifier and other circuits
03/18/2014US8676542 Adaptive filtering for more reliably determining physiological parameters
03/18/2014US8675886 Method and apparatus for providing a splitter in a notification system
03/18/2014US8674769 Power amplifier protection circuit, communication device, and method
03/13/2014WO2014037926A2 High-frequency drain power supply to decrease power dissipation in class-ab power amplifiers
03/13/2014WO2014036644A1 Doherty amplifier having compact output matching and combining networks
03/13/2014WO2014016770A3 Digital upconversion for multi-band multi-order power amplifiers
03/13/2014WO2013186710A3 Modeling digital predistorter
03/13/2014US20140070891 High frequency amplifier
03/13/2014US20140070888 Buffering Apparatus and Method
03/13/2014US20140070886 Amplifier with voltage and current feedback error correction
03/13/2014US20140070882 Distribution amplifier with intellectual signaling
03/13/2014US20140070881 Quiescent current determination using in-package voltage measurements
03/13/2014DE102013014992A1 Leistungsverstärkungsschaltungen Power amplification circuits
03/12/2014EP2706661A2 Low-quiescent current headset driver
03/12/2014EP2705618A1 Digital output power measurement in radio communication systems
03/12/2014EP2705604A2 Power managent system for pseudo-envelope and average power tracking
03/12/2014EP2705603A1 Wireless communications including distributed feedback architecture
03/12/2014EP2705602A1 Quasi-broadband doherty amplifier and associated capacitor circuit
03/12/2014EP2705601A1 Wideband and reconfigurable doherty based amplifier
03/12/2014CN203482164U Low-power-consumption precise driving amplifier
03/12/2014CN103636121A Front-end amplifier
03/12/2014CN103636120A Amplifier with improved noise reduction
03/12/2014CN103636119A Power supply device for high-frequency power amplification circuit, and high-frequency power amplification circuit
03/12/2014CN103633948A Circuit for compensating nonlinear capacitance to reduce harmonic distortion to greatest extent
03/12/2014CN103633947A Noninductive and high-gain CMOS (Complementary Metal Oxide Semiconductor) broadband low-noise amplifier
03/12/2014CN103633946A Low-noise amplifier for realizing on-chip input and output of 50-ohm matching
03/12/2014CN103633945A Clock access front end amplifying circuit of source synchronization high-speed serial interface
03/12/2014CN103633944A System and method for operating a power amplifier and a load modulation network
03/12/2014CN102089987B Communication device, distortion compensation circuit, and distortion compensation method
03/12/2014CN102035500B High anti-interference high-pass amplifier
03/12/2014CN101933224B System and method of reducing click and pop noise in audio playback devices
03/12/2014CN101849354B Multi-mode power amplifier with high efficiency under backoff operation
03/12/2014CN101741479B Joint test method for maximum power regression and adjacent channel leakage ratio
03/11/2014US8669815 Amplifier, apparatus and method for controlling amplifier in communication system
03/11/2014US8669814 Device for neutralizing a signal obtained by modulating, on to a high frequency carrier, a useful signal delivered by a system
03/11/2014US8669813 Active neutralization device
03/11/2014US8669811 Radio-frequency power amplifier with fast envelope tracking
03/11/2014US8669791 Semiconductor device and electronic apparatus using the same
03/06/2014WO2014034120A1 Device and method for spectrum degradation compensation
03/06/2014WO2014033811A1 Class-g amplifier circuit
03/06/2014WO2014033661A1 Delay estimation
03/06/2014WO2014006523A3 Low sampling rate adaptation scheme for dual-band linearization
03/06/2014US20140062603 System and method for operating a power amplifier and a load modulation network
03/06/2014US20140062600 Temperature Compensation Circuit and Electronic Device With Temperature Compensation
03/06/2014US20140062590 Multiple power supply input parallel amplifier based envelope tracking
03/06/2014US20140062589 Quasi-broadband doherty amplifier with associated capacitor circuit
03/06/2014US20140062574 Controlling output power of multiple-input single-output (miso) device
03/05/2014EP2704319A1 Audio device and output method thereof
03/05/2014EP2704318A1 Predistorter and predistorter control method
03/05/2014EP2704317A1 Power amplifier device and power amplifier circuit
03/05/2014EP2704316A2 Power amplification device
03/05/2014EP2702688A1 Isolated zero degree reactive radio frequency high power combiner
03/05/2014CN203466783U Dual-band variable-frequency power amplifier
03/05/2014CN203466782U Ultra-wideband and wide-dynamic-range amplifier
03/05/2014CN203466781U Amplification circuit for gain compensation of high frequency signals
03/05/2014CN203466780U Low-noise amplifier
03/05/2014CN103620959A Quadrature hybrid coupler, amplifier, and wireless communication device
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