Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
05/2012
05/10/2012US20120112836 Operational amplifier
05/10/2012US20120112835 Transformer coupled distributed amplifier
05/10/2012US20120112833 3-way doherty power amplifier using driving amplifier
05/10/2012US20120112832 Radio frequency switch and radio frequency module
05/10/2012US20120112046 Visible Light Receiver Circuit
05/10/2012DE102010043730A1 Strom-Spannungs-Wandler, Empfänger, Verfahren zum Bereitstellen eines Spannungssignals und Verfahren zum Empfangen eines Empfangssignals Current-voltage transducer, receiver, A method for providing a voltage signal and method for receiving a reception signal
05/10/2012DE102006006568B4 Verstärkereinrichtung Amplifier device
05/10/2012DE102005014946B4 Offset-Kompensationsschaltung für eine Überwachungs-Photodiode Offset compensation circuit for a monitor photodiode
05/09/2012EP2451075A1 Power consumption control circuit, amplifying circuit, and power consumption control method
05/09/2012EP2450823A1 detecting a foreign body in the vicinity of a means of input used for authentification
05/09/2012EP2449675A1 Gain control linearity in an rf driver amplifier transmitter
05/09/2012EP2449674A1 Dual use transistor
05/09/2012EP2449588A2 Integrated power amplifier with load inductor located under ic die
05/09/2012CN202218195U Amplifying circuit
05/09/2012CN202218194U Power amplification circuit for tablet computer
05/09/2012CN202218193U Multiple band power amplifier
05/09/2012CN1853344B Device and method for signal processing
05/09/2012CN102449902A Multi-stage amplifier
05/09/2012CN102447444A DC voltage signal amplifier
05/09/2012CN102447443A 差动放大器电路 The differential amplifier circuit
05/09/2012CN102447441A Power amplifying equipment and method for acquiring power regulation factor
05/09/2012CN102446482A Output circuit, data driver circuit and display device
05/09/2012CN101563843B Optical receiver
05/09/2012CN101442312B Analog to digital converter
05/08/2012US8174323 High frequency amplifier
05/08/2012US8174322 Power control of reconfigurable outphasing chireix amplifiers and methods
05/08/2012US8174320 Current switching system
05/08/2012US8174319 Amplifier
05/08/2012US8174318 Apparatus and method for providing linear transconductance amplification
05/08/2012US8174317 Fully-differential amplifier circuit
05/08/2012US8174316 Switching amplifier
05/08/2012US8174312 Apparatus and method for signal processing of voltage signals from electrodes of a magneto-inductive, flow measuring device
05/08/2012US8174311 Switching amplifier
05/08/2012US8174292 Current sensing circuit for PWM applications with pulse width modulation and corresponding current process
05/03/2012WO2012056882A1 Detection circuit
05/03/2012WO2012055968A1 Audio amplifier using multi-level pulse width modulation
05/03/2012WO2012055501A1 Method and apparatus for efficient and distortion compensated digital class-d amplifier ternary modulation scheme
05/03/2012WO2012033729A3 Lcl high power combiner
05/03/2012US20120106524 Tunable power amplifier using laminate mems capacitors
05/03/2012US20120105158 Feedback Amplifier
05/03/2012US20120105156 Receiver circuit of semiconductor apparatus and method for receiving signal
05/03/2012US20120105149 Power amplifiers
05/03/2012US20120105147 Matching network for transmission circuitry
05/02/2012EP2448116A1 Amplifier circuit, integrating circuit, and light-detection device
05/02/2012EP2448115A1 Audio amplifier
05/02/2012EP2448114A1 Method and apparatus for efficient and distortion compensated digital Class-D amplifier ternary modulation scheme
05/02/2012EP2448113A1 Integrating circuit and light-detection device
05/02/2012EP2448112A1 Digital predistortion device and method of operating a digital predistortion device
05/02/2012EP2446531A2 Rf single-ended to differential converter
05/02/2012EP1971094B1 Light receiver
05/02/2012CN202210783U Calculation amplifying circuit
05/02/2012CN202210782U Substrate integration crack waveguide power synthesis amplifier
05/02/2012CN202210781U Multichannel synthesis and amplification device for expanding coaxial line
05/02/2012CN202210780U 80w high-power amplifier used in CDMA 2000 system repeater
05/02/2012CN202210778U Limiting amplifier applied to radar and microwave communication
05/02/2012CN1960167B High-bandwidth high-gain amplifier
05/02/2012CN102439849A Buffer with active output impedance matching
05/02/2012CN102437860A DC power control for power amplifiers
05/02/2012CN102437824A Direct-cooling type high integrated level charge sensitive pre-amplifier
05/02/2012CN102437823A Wideband low noise sensor amplifier circuit
05/02/2012CN102437822A Self-adaptive digital pre-distortion linear system of radio frequency power amplifier
05/02/2012CN102437821A Device and method for linearization of synthetic aperture radar transmitter
05/02/2012CN102437507A Automatic power control circuit for driving optical communication laser
05/02/2012CN101599715B Dynamic bipolar drive power supply for piezoelectric ceramics and implementation method
05/02/2012CN101569091B Class-d amplifier
05/02/2012CN101325401B Circuit for restraining start-up and closedown noise of whole difference audio power amplifier
05/02/2012CN101166016B Ratio-independent switched capacitor amplifiers and methods of operating ratio-independent switched capacitor amplifiers
05/01/2012US8170505 Driver amplifier having a programmable output impedance adjustment circuit
05/01/2012US8170425 Optical signal receiving circuit
05/01/2012US8169264 Distributed Doherty amplifiers
05/01/2012US8169263 Differential gm-boosting circuit and applications
05/01/2012US8169262 Method for reducing offset voltage of operational amplifier and the circuit using the same
05/01/2012US8168934 Integrated circuit comprising an array of single photon avalanche diodes
04/2012
04/26/2012WO2012053992A1 Current source with active common mode rejection
04/26/2012WO2012053133A1 Chopper amplifier, active filter, and reference frequency generating circuit
04/26/2012WO2012053086A1 Output mode switching amplifier
04/26/2012WO2012031091A3 Buffering apparatus and method
04/26/2012US20120099675 Transmission circuit and communication device
04/26/2012US20120098606 High-frequency signal processing device
04/26/2012US20120098602 Power consumption control circuit, amplifier circuit and power consumption control method
04/26/2012US20120098601 Amplifying circuit
04/26/2012US20120098600 Gain control in a shared rf front-end path for different standards that use the same frequency band
04/26/2012US20120098599 Enhancement mode hemt for digital and analog applications
04/26/2012US20120098598 High- frequency power amplifier
04/26/2012US20120098597 switch for use in a programmable gain amplifier
04/26/2012US20120098595 Quadrature power amplifier architecture
04/26/2012DE102004057793B4 Digitale gedächtnisbasierte Vorverzerrungstechnik Digital memory-based predistortion technique
04/25/2012EP2445105A1 Power management system for dual travelling wave tube amplifier
04/25/2012EP2445104A2 Very high efficiency flexible travelling wave amplifier
04/25/2012EP2445103A1 Power management system for dual travelling wave tube amplifier
04/25/2012EP2445102A1 Very high efficiency flexible travelling wave amplifier
04/25/2012EP2443742A1 Detection circuit for overdrive conditions in a wireless device
04/25/2012EP2443741A1 Improving input impedance of low noise preamplifiers used for mri
04/25/2012EP2301148B1 Audio amplifier and method for reconfiguring an audio amplifier
04/25/2012CN202206350U H类专业功率放大器 Class H Professional Power Amplifier
04/25/2012CN202206349U 一种用于wcdma直放站系统中的50W大功率放大器 A repeater system wcdma 50W high power amplifier
04/25/2012CN202206348U 一种用于cdma2000直放站系统中的50W功率放大器 A cdma2000 50W power amplifier repeater system
04/25/2012CN202206347U 一种新型的大功率放大器 A new high-power amplifier
04/25/2012CN202206346U 带mp3和tuner前置处理专业功率放大器 Pre-treatment with mp3 and tuner Professional Power Amplifier
04/25/2012CN202205875U 多路径向波导功率合成放大器 Multi-path to the waveguide Power Amplifier
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