| 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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| 06/27/2012 | EP2467943A1 Radio frequency power amplifier with linearizing predistorter |
| 06/27/2012 | EP2467938A2 Digital tunable inter-stage matching circuit |
| 06/27/2012 | EP2467937A1 Protection circuit for power amplifier |
| 06/27/2012 | EP2467936A1 Circuit with reference source to control the small signal transconductance of an amplifier transistor |
| 06/27/2012 | EP2467935A1 Stacked amplifier with diode-based biasing |
| 06/27/2012 | EP2058944B1 Transconductance amplifier |
| 06/27/2012 | CN102522957A Method for improving predistortion performance of radio-frequency power amplifier |
| 06/27/2012 | CN102522378A Distributed image high power tube core |
| 06/27/2012 | CN101989838B Stabilizing network structure of monolithic integrated circuit of intelligent network processor double heterojunction bipolar transistor (InP DHBT) W wave band power amplifier |
| 06/27/2012 | CN101908862B Transmitting device and method for determining target predistortion setting value |
| 06/27/2012 | CN101854149B Preamplifier design method and on-chip preamplifier design method |
| 06/27/2012 | CN101689835B Improved feed forward noise reduction in a transmitter |
| 06/27/2012 | CN101656512B Device and method for measuring nonlinearity of power amplifier and predistortion compensation device |
| 06/27/2012 | CN101583311B A device and method for detecting an epileptic event |
| 06/27/2012 | CN101521489B Amplifier and class AB amplifier |
| 06/27/2012 | CN101385238B D type amplifier and method thereof |
| 06/27/2012 | CN101095285B Direct current offset correction systems and methods |
| 06/26/2012 | US8209150 Mobile speed and doppler frequency estimation using cyclostationarity |
| 06/26/2012 | US8208863 Radio frequency unit analog level detector and feedback control system |
| 06/21/2012 | WO2012083256A2 Apparatus and methods for oscillation suppression |
| 06/21/2012 | WO2012082787A1 Apparatus and methods for capacitive load reduction |
| 06/21/2012 | WO2012082632A1 Apparatus and methods for biasing a power amplifier |
| 06/21/2012 | WO2012082445A1 Cancelation of gain change due to amplifier self-heating |
| 06/21/2012 | WO2012081588A1 Power supply circuit |
| 06/21/2012 | WO2012080742A2 Dc offset compensation |
| 06/21/2012 | WO2012080126A1 Low noise amplifier |
| 06/21/2012 | WO2012079542A1 Doherty power amplifier |
| 06/21/2012 | WO2011143504A8 Area efficient concurrent matching transceiver |
| 06/21/2012 | US20120157020 Amplifier circuit, control method for supplying power to amplifier circuit, and transmission device |
| 06/21/2012 | US20120154052 Power amplifying apparatus |
| 06/21/2012 | US20120154048 Amplifier common-mode control methods |
| 06/21/2012 | US20120154045 Push-pull low noise amplifier with variable gain, push-pull low noise amplifier with common gate bias circuit and amplifier with auxiliary matching |
| 06/21/2012 | US20120154042 Analog multiplier |
| 06/21/2012 | US20120154041 Predistortion apparatuses and methods |
| 06/21/2012 | US20120154040 Predistorter for compensating for nonlinear distortion and method thereof |
| 06/21/2012 | US20120154039 Generation of pre-distortion coefficients |
| 06/21/2012 | US20120154038 Multi-band wideband power amplifier digital predistorition system and method |
| 06/21/2012 | US20120154036 Digital pre-distortion power amplifying apparatus and method for digitally controlling synchronization thereof |
| 06/21/2012 | US20120154032 Dc offset compensation |
| 06/21/2012 | US20120153132 Element carrier and light receiving module |
| 06/21/2012 | DE102009003891B4 Transformator mit einer primären Wicklung mit mehreren Segmenten und einer sekundären Wicklung mit mehreren Windungen für ein Leistungsverstärkersystem und Verfahren hierfür Transformer having a primary winding with a plurality of segments and a secondary winding having a plurality of turns on a power amplifier system and method thereof |
| 06/20/2012 | EP2466748A1 High-frequency power amplifier device |
| 06/20/2012 | EP2466747A2 High Efficiency Switch-Mode Power Amplifier |
| 06/20/2012 | EP2466746A1 Low noise amplifier |
| 06/20/2012 | EP2466745A1 Amplifier common-mode control methods |
| 06/20/2012 | EP2465198A1 Amplifier with variable matching circuit to improve linearity |
| 06/20/2012 | EP1779507B1 Methods and systems for stabilizing an amplifier |
| 06/20/2012 | CN202282763U 一种射频大功率放大器的降温控制装置 An RF high power amplifier cooling control device |
| 06/20/2012 | CN202282762U 一种低功耗宽带低噪声放大器 A low-power wideband low-noise amplifier |
| 06/20/2012 | CN1960169B Amplifiers with compensation |
| 06/20/2012 | CN102510266A Ku frequency band low-noise amplifier |
| 06/20/2012 | CN101645864B LINC transmitter based on self-adapted peak clipping |
| 06/20/2012 | CN101557198B Doherty power amplifier and method for processing radio-frequency signal thereby |
| 06/19/2012 | US8204718 Method for reconstructing sparse streaming signals using greedy search |
| 06/19/2012 | US8203388 Low noise amplifier |
| 06/19/2012 | US8203381 Voltage output device having an operational amplifier |
| 06/14/2012 | WO2012079077A1 Circuits and methods for implementing a residue amplifier |
| 06/14/2012 | WO2012078808A2 Apparatus and methods for capacitive load reduction |
| 06/14/2012 | WO2012076924A1 Rf amplifier circuit and electronic system comprising such a circuit |
| 06/14/2012 | WO2012076522A1 Power amplifier for radio-frequency applications in the switch mode |
| 06/14/2012 | US20120147707 Parametric transducer systems and related methods |
| 06/14/2012 | US20120146723 Radiofrequency amplifier |
| 06/14/2012 | US20120146722 Power Amplifier Having a Nonlinear Output Capacitance Equalization |
| 06/14/2012 | US20120146719 Amplifier with reduced on/off transient and multi-point offset compensation |
| 06/14/2012 | US20120146570 Closed-loop motor driver compensation |
| 06/13/2012 | EP2463905A1 Packaged RF transistor with special supply voltage leads |
| 06/13/2012 | EP2462693A1 Multi-stage impedance matching |
| 06/13/2012 | EP2462692A1 Distributed amplifier for band pass radio front-end |
| 06/13/2012 | EP2462691A1 Amplifier module with multiple operating modes |
| 06/13/2012 | EP1500190B1 Electronic amplifier circuit |
| 06/13/2012 | CN202276320U 动态供电及动态甲类功放 Dynamic power amplifier and dynamic Group |
| 06/13/2012 | CN202276319U 数字音频功放供电电路 Digital audio amplifier power supply circuit |
| 06/13/2012 | CN102498663A Apparatus and method for class-G line driver control signal |
| 06/13/2012 | CN102498662A Method and arrangement in a mobile communication system |
| 06/13/2012 | CN102498661A Method and arrangement in a mobile communications system |
| 06/13/2012 | CN102498613A Microwave harmonic processing circuit |
| 06/13/2012 | CN102497167A Radio-frequency ultra-wideband low-noise amplifier based on inductance compensation |
| 06/12/2012 | USRE43461 Systems and methods for load detection and correction in a digital amplifier |
| 06/12/2012 | US8200415 Method and device for controlling the operating mode of an internal combustion engine |
| 06/12/2012 | US8199929 Anti-pop circuit |
| 06/12/2012 | US8198937 Switched-capacitor amplifier circuit |
| 06/07/2012 | WO2012075047A1 Bias point setting for third order linearity optimization of class a amplifier |
| 06/07/2012 | WO2012074133A1 Power supply circuit and power supply control method |
| 06/07/2012 | WO2012072726A1 Integrated driver and related method |
| 06/07/2012 | WO2012071918A1 Circuit, communication device and method for protecting power amplifier |
| 06/07/2012 | WO2012040737A3 Close-loop power amplifier pre-distortion correction |
| 06/07/2012 | US20120142304 Power Amplifiers for Wireless Systems |
| 06/07/2012 | US20120139643 Output Stage of a Power Amplifier Having a Switched-Bulk Biasing and Adaptive Biasing |
| 06/07/2012 | US20120139639 Ground Partitioned Power Amplifier for Stable Operation |
| 06/07/2012 | US20120139637 Linear amplifier |
| 06/07/2012 | US20120139629 Third Order Intermodulation Cancellation by In-Line Generated Signal |
| 06/07/2012 | US20120139627 Method for using an amplifier |
| 06/07/2012 | US20120139440 Semiconductor device and electronic apparatus using the same |
| 06/06/2012 | EP2461479A1 Radio frequency circuit with impedance matching |
| 06/06/2012 | EP2461478A1 Reducing distortion |
| 06/06/2012 | EP2460268A2 Bias current monitor and control mechanism for amplifiers |
| 06/06/2012 | EP2263309B1 Method for compensating amplification variations in an amplifier circuit |
| 06/06/2012 | DE112005002800B4 Hochfrequenzschaltung und Leistungsverstärker mit derselben High-frequency circuit and power amplifier with the same |
| 06/06/2012 | CN202268846U Medium-intensity magnetic sensor circuit |
| 06/06/2012 | CN102487550A Communication base station and power amplification processing method thereof |