| 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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| 02/12/2014 | CN103580613A Multi-path power amplifying device and implementation method thereof |
| 02/12/2014 | CN103580612A Power amplification tube device, multi-channel radio-frequency power amplification circuit and implementation method thereof |
| 02/12/2014 | CN103580611A Power amplification device and wireless equipment |
| 02/12/2014 | CN103580610A Multi-mode power amplifier and corresponding mobile communication terminal |
| 02/12/2014 | CN102324894B Practical peak holding circuit |
| 02/11/2014 | US8649744 Radio-frequency transmitter, such as for broadcasting and cellular base stations |
| 02/11/2014 | US8648659 Digital pre-distortion power amplifying apparatus and method for digitally controlling synchronization thereof |
| 02/11/2014 | US8648658 Generation of pre-distortion coefficients |
| 02/11/2014 | US8648656 Low-noise amplifier with through-mode |
| 02/06/2014 | WO2014021358A1 Amplifier and radiation detector |
| 02/06/2014 | WO2014020568A1 Multi-frequency multi-standard reconfigurable doherty amplifier |
| 02/06/2014 | WO2014019493A1 Power amplifier consumption reducing device, method, and mobile terminal |
| 02/06/2014 | WO2014019071A1 Extended bandwidth digital doherty transmitter |
| 02/06/2014 | WO2012137290A9 Bandwidth-variable amplifier |
| 02/06/2014 | US20140035682 Wideband and Reconfigurable Doherty Based Amplifier |
| 02/06/2014 | DE102013215177A1 Verstärker und Strahlungsdetektor Amplifier and radiation detector |
| 02/06/2014 | DE102013106159A1 Differentielle gestapelte Ausgangsstufe für Leistungsverstärker Differential stacked output stage for power amplifiers |
| 02/05/2014 | EP2693634A1 Harmonic suppression in switching amplifiers |
| 02/05/2014 | EP2693633A1 Calibration for power amplifier predistortion |
| 02/05/2014 | EP2693632A1 Amplifier and audio device provided with amplifier |
| 02/05/2014 | EP2693631A2 Apparatus, method and mobile terminal for reducing power consumption on power amplifier |
| 02/05/2014 | CN203423656U Doherty power amplifier |
| 02/05/2014 | CN103563251A VSWR measurement circuit, wireless communication device, VSWR measurement method and recording medium in which VSWR measurement program is stored |
| 02/05/2014 | CN103563250A 放大器 Amplifiers |
| 02/05/2014 | CN103560754A Compact microstrip resonant cell structure based high-linearity Doherty power amplifier |
| 02/05/2014 | CN101917165B Electron beam system, image generator, and amplifier of high-speed driving inductor |
| 02/04/2014 | US8645103 Method for capture, aggregation, and transfer of data to determine windshield wiper motion in a motor vehicle |
| 02/04/2014 | US8643433 Bypass power amplifier for improving efficiency at low power |
| 02/04/2014 | US8643432 Op-Amp sharing by swapping trans-conductance cells |
| 01/30/2014 | WO2014018935A1 Low voltage multi-stage amplifier |
| 01/30/2014 | WO2014018861A1 Programmable rf notch filter for envelope tracking |
| 01/30/2014 | WO2014018124A1 Receiver having a wide common mode input range |
| 01/30/2014 | WO2014017699A1 Power amplifier having stack structure |
| 01/30/2014 | US20140030994 Analog signal processing device for phased array antennas |
| 01/30/2014 | US20140028402 Apparatus, method and mobile terminal for reducing power consumption on power amplifier |
| 01/30/2014 | US20140028401 Metamaterial power amplifier systems |
| 01/30/2014 | US20140028400 Semiconductor integrated circuit |
| 01/30/2014 | US20140028395 Op-Amp Sharing by Swapping Trans-Conductance Cells |
| 01/30/2014 | US20140028394 Current mode logic circuit and method |
| 01/30/2014 | US20140028392 Pre-distortion in rf path in combination with shaping table in envelope path for envelope tracking amplifier |
| 01/30/2014 | US20140028391 Digital upconversion for multi-band multi-order power amplifiers |
| 01/30/2014 | US20140028389 Power Distortion-Based Servo Control Systems for Frequency Tuning RF Power Sources |
| 01/29/2014 | EP2451074B1 Amplifier |
| 01/29/2014 | CN203416227U Small signal amplification circuit |
| 01/29/2014 | CN203416226U Intelligent distribution amplifier with lamp number displaying function |
| 01/29/2014 | CN103548260A Power supply with rectifier protection |
| 01/29/2014 | CN103548259A Wireless communications including distributed feedback architecture |
| 01/29/2014 | CN103548258A Switching circuit |
| 01/29/2014 | CN103546107A Broadband linear current-carrying amplifier |
| 01/29/2014 | CN103546106A Signal amplification circuit |
| 01/29/2014 | CN103546105A Apparatus and methods for amplifier power supply control |
| 01/29/2014 | CN103546104A Small-area linearity-tunable high-linearity low noise amplifier |
| 01/29/2014 | CN103546103A 放大器电路 The amplifier circuit |
| 01/29/2014 | CN103546102A Low noise amplifiers for multiple radio standards |
| 01/29/2014 | CN103546101A System and method for a low noise amplifier |
| 01/29/2014 | CN103546100A Big Dipper/GPS double-system low-noise amplifier |
| 01/29/2014 | CN102106079B Predistorter |
| 01/29/2014 | CN102064771B Temperature impervious radio device amplifier output power control |
| 01/28/2014 | US8639199 System and method for high performance coherent peak compression estimation |
| 01/28/2014 | US8638167 Operational amplifier |
| 01/28/2014 | US8638166 Apparatus and methods for notch filtering |
| 01/28/2014 | US8638165 Switched-capacitor DC blocking amplifier |
| 01/28/2014 | US8638164 Amplifier including dithering switch and display driving circuit using the amplifier |
| 01/28/2014 | CA2720162C Feedforward linearization of rf power amplifiers |
| 01/23/2014 | WO2014015077A2 Method and apparatus for characterized pre-distortion calibration of a power amplifier |
| 01/23/2014 | WO2013173489A3 Integrated technique for enhanced power amplifier forward power detection |
| 01/23/2014 | US20140022016 Amplifiers and Related Biasing Methods and Devices |
| 01/23/2014 | DE102008052172B4 Vorrichtung zum Erzeugen eines Korrektursignals An apparatus for generating a correction signal |
| 01/23/2014 | DE102004054573B4 Schaltungsanordnung zum Ermitteln eines Gleichspannungs-Offset in einem Datensignal und Empfangsvorrichtung mit derselben Circuit arrangement for determining a DC offset in a data signal and receiving apparatus with the same |
| 01/22/2014 | EP2688202A2 Systems and methods for vector power amplification |
| 01/22/2014 | EP2688201A1 A controller and a method for controlling an operating characteristic of an amplifier circuit |
| 01/22/2014 | EP2688200A1 Power supply modulation method and power supply modulator |
| 01/22/2014 | EP2686954A1 Charge pump electrostatic discharge protection |
| 01/22/2014 | EP2686953A2 Enhanced doherty amplifier |
| 01/22/2014 | CN203406837U Signal amplification circuit and signal amplifier |
| 01/22/2014 | CN203406834U Power amplifier circuit and audio-video playing device |
| 01/22/2014 | CN203406833U KU waveband low noise amplifier |
| 01/22/2014 | CN203406832U Double-port input single-port output low-noise amplifier |
| 01/22/2014 | CN203406831U Amplification circuit with zero correction circuit |
| 01/22/2014 | CN103534940A Positive feedback common gate low noise amplifier |
| 01/22/2014 | CN103534937A 放大器电路和无线通信设备 Amplifier circuits and wireless communication devices |
| 01/22/2014 | CN103534936A 电流缓冲器 Current Buffer |
| 01/22/2014 | CN103534935A Doherty power amplifier circuit, signal processing circuit and a multi-band base station |
| 01/22/2014 | CN103532506A System and method for a cascoded amplifier |
| 01/22/2014 | CN103532500A Wide input range capacitor-comparer type time amplification method and amplifier |
| 01/22/2014 | CN103532499A Distortion compensating device and distortion compensating method |
| 01/22/2014 | CN103532498A Low-detuning sensor detection circuit |
| 01/22/2014 | CN103532497A Ultra-wide-band low-noise amplifier adopting inductance compensation technology |
| 01/22/2014 | CN103532496A Data amplifying circuit of precise instrument |
| 01/22/2014 | CN103532495A Method, device and system for adjusting voltage of power amplifier |
| 01/21/2014 | US8633771 Power amplifier |
| 01/21/2014 | US8633769 Dual loop adaptation digital predistortion architecture for power amplifiers |
| 01/21/2014 | US8633767 Amplifier circuit with noise suppression and related noise suppression method thereof |
| 01/16/2014 | WO2014011339A1 Decoupling circuits for filtering a voltage supply of multiple power amplifiers |
| 01/16/2014 | WO2014011299A1 Reconfigurable lna for increased jammer rejection |
| 01/16/2014 | WO2014011212A1 Push-pull amplification systems and methods |
| 01/16/2014 | WO2014009399A1 Interference suppression for switched mode power supply with error correction |
| 01/16/2014 | US20140015605 Active Transducer Probes and Circuits |
| 01/16/2014 | DE102013213463A1 System und verfahren für einen rauscharmen verstärker System and method for a low-noise amplifier |
| 01/16/2014 | DE102008032897B4 Nitridhalbleitervorrichtung, Doherty-Verstärker und drainspannungsgesteuerter Verstärker Nitride semiconductor, Doherty amplifier and drain voltage controlled amplifier |