| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 04/14/2010 | CN1918785B RF equipment formed by integrated circuits, RF signal amplification method and wireless communication apparatus |
| 04/14/2010 | CN101694962A Loop compensation circuit for switching stabilized-voltage power supply controller |
| 04/14/2010 | CN101145762B Amplifier and method for adding bandwidth via current injection |
| 04/13/2010 | US7698108 Parameterization of non-linear/non-Gaussian data distributions for efficient information sharing in distributed sensor networks |
| 04/13/2010 | US7696839 Signal waveform equalizer circuit and receiver circuit |
| 04/13/2010 | US7696822 Amplifying circuit and associated linearity improving method |
| 04/13/2010 | US7696820 Increasing amplifier bandwidth by positive capacitive feedback |
| 04/13/2010 | US7696819 Switched-capacitor variable gain amplifier having high voltage gain linearity |
| 04/13/2010 | US7696817 Auto-gain correction and common mode voltage cancellation in a precision amplifier |
| 04/13/2010 | US7696816 System and method for minimizing DC offset in outputs of audio power amplifiers |
| 04/13/2010 | CA2424101C Efficiently generating selectable antenna polarization |
| 04/08/2010 | WO2010038227A2 Wireless base station design |
| 04/08/2010 | WO2010038111A1 Wireless communication device and semiconductor package device having a power amplifier therefor |
| 04/08/2010 | WO2010037987A1 Network for controlling the power supply to a system of active elements |
| 04/08/2010 | WO2010037764A1 Excitation stage for high frequency generator |
| 04/08/2010 | WO2010037212A1 Enhanced doherty amplifier with bias supply modulation |
| 04/08/2010 | US20100085117 Apparatus for processing an audio signal and method thereof |
| 04/07/2010 | EP2173031A1 Amplifier arrangement, measurement arrangement and signal processing method |
| 04/07/2010 | EP2171839A1 Electronic device and a method of biasing a mos transistor in an integrated circuit |
| 04/07/2010 | EP1456941B1 Offset calibration system and method for a high gain signal channel |
| 04/07/2010 | EP1155499B1 Method and apparatus for linear amplification of a radio frequency signal |
| 04/07/2010 | CN201436791U Frequency hopping power amplification system |
| 04/07/2010 | CN201436783U Combined mini high power digital amplifier |
| 04/07/2010 | CN1832334B Integrating amplifying circuit of resonant sensor |
| 04/06/2010 | US7693497 Spurious energy correlation for control of linear power amplifiers |
| 04/06/2010 | US7692492 Operational amplifier |
| 04/06/2010 | US7692491 Radio-frequency power amplifier |
| 04/06/2010 | US7692486 Configurable feedback for an amplifier |
| 04/01/2010 | WO2010035065A1 Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor |
| 04/01/2010 | US20100079210 Power amplification device |
| 04/01/2010 | US20100079206 Digital Adaptive Feedforward Harmonic Distortion Compensation for Digitally Controlled Power Stage |
| 04/01/2010 | US20100079204 Switched-capacitor amplifier arrangement having a low input current |
| 04/01/2010 | DE102009029696A1 Switched-Capacitor-Verstärkeranordnung mit niedrigem Eingangsstrom Switched-Capacitor amplifier arrangement with a low input current |
| 04/01/2010 | DE102005047171B4 Schaltungsanordnung mit einem rückgekoppelten Operationsverstärker Circuit arrangement having a feedback operational amplifier |
| 04/01/2010 | DE102005020803B4 Schaltungsanordnung mit einer Verstärkeranordnung und einer Offset-Kompensationsanordnung Circuitry with an amplifier arrangement and an offset compensation arrangement |
| 04/01/2010 | DE102004022354B4 Schaltung zur Erzeugung pulsweitenmodulierter Signale Circuit for generating a pulse-width modulated signals |
| 03/31/2010 | EP2169823A1 Combined multi-path high-efficiency power amplifier |
| 03/31/2010 | EP1953913B1 Distortion compensating device |
| 03/31/2010 | EP1867039B1 An electrical circuit, a detection system and an operating method thereof |
| 03/31/2010 | CN201434484Y Gas water heater with infrared flame detection function |
| 03/31/2010 | CN101689836A Method for linearizing non-linear power amplifier and apparatus thereof |
| 03/31/2010 | CN101689835A Improved feed forward noise reduction in a transmitter |
| 03/31/2010 | CN101689834A Distortion correction control apparatus and distortion correction control method |
| 03/31/2010 | CN101689806A Power supplies for RF power amplifier |
| 03/31/2010 | CN101688907A methods and systems for stabilizing an amplifier |
| 03/30/2010 | US7689275 Method and apparatus for determining an EMG signal |
| 03/30/2010 | US7688139 Model based distortion reduction for power amplifiers |
| 03/30/2010 | US7688138 Electronic device having a predistortion filter and related methods |
| 03/30/2010 | US7688134 Transimpedance amplifier |
| 03/30/2010 | US7688133 Power amplifier |
| 03/30/2010 | CA2515167C Carrier to noise ratio estimations from a received signal |
| 03/25/2010 | WO2010033735A1 Active-time dependent bias current generation for switched-capacitor circuits |
| 03/25/2010 | WO2010033607A1 Voltage clamp |
| 03/25/2010 | WO2010033078A1 A method for converting a sensor capacitance under parasitic capacitance conditions and a capacitance-to-voltage converter circuit |
| 03/25/2010 | WO2010032283A1 Harmonic injection push-pull amplifier |
| 03/25/2010 | US20100073088 Joint optimisation of supply and bias modulation |
| 03/25/2010 | US20100073087 Cable Television Network |
| 03/25/2010 | DE102009024483A1 Kaskodeschaltung Cascode |
| 03/24/2010 | EP2166667A2 Analog circuit |
| 03/24/2010 | EP2166666A1 Power supply providing ultrafast modulation of output voltage |
| 03/24/2010 | EP2165415A1 Improved amplifying device |
| 03/24/2010 | EP2165413A1 Amplifying device, corresponding electronic circuit and acoustic enclosure |
| 03/24/2010 | CN201430573Y Control circuit for stabilizing working current of radiofrequency power amplifier |
| 03/24/2010 | CN201430571Y Power amplification module input adjustment circuit |
| 03/24/2010 | CN101682304A multiport amplifiers in communications satellites |
| 03/24/2010 | CN101682300A Metal-oxide-semiconductor circuit designs and methods for operating same |
| 03/24/2010 | CN101677242A Bias controller |
| 03/24/2010 | CN101677230A three-stage frequency-compensated operational amplifier |
| 03/24/2010 | CN101677229A Power amplifier, method for controlling power amplifier, and wireless communication apparatus |
| 03/24/2010 | CN101677228A Power amplifier system, control method and control device thereof |
| 03/24/2010 | CN100596018C Wideband low noise amplifier |
| 03/24/2010 | CN100596017C Step travel wave amplifier circuit |
| 03/23/2010 | US7684514 Transmitter apparatus and wireless communication apparatus |
| 03/23/2010 | US7684513 Amplifier circuit and amplifying method |
| 03/23/2010 | US7683897 Data driver capable of an offset compensation and display apparatus having the same |
| 03/23/2010 | US7683719 Internal frequency compensation circuit for integrated circuit controllers |
| 03/23/2010 | US7683713 Predistorter |
| 03/23/2010 | US7683710 Electronic signal processor |
| 03/23/2010 | US7683706 Gain amplifier having switched-capacitor structure for minimizing settling time |
| 03/23/2010 | CA2435310C High efficiency wideband linear wireless power amplifier |
| 03/18/2010 | WO2010030517A1 Method and apparatus for predistorting a waveform for input to an amplifier |
| 03/18/2010 | WO2010029690A1 Distortion compensation amplification device |
| 03/18/2010 | WO2010029186A1 Self-adjusting gate bias network for field effect transistors |
| 03/18/2010 | WO2010028742A1 Power amplifier linearization using rf feedback |
| 03/18/2010 | WO2010028635A1 Predistortion linearizer with bridge topology having an equalizer stage for each bridge arm |
| 03/18/2010 | WO2010028430A1 High voltage regulated power supply |
| 03/18/2010 | WO2010028429A1 Low distortion cascode amplifier circuit |
| 03/18/2010 | US20100069023 Method and apparatus for predistorting a waveform for input to an amplifier |
| 03/18/2010 | US20100066452 Wideband low-noise amplifier |
| 03/18/2010 | US20100066445 Power amplifier, method for controlling power amplifier, and wireless communication apparatus |
| 03/17/2010 | EP2164172A1 Apparatus and method of compensating distortion |
| 03/17/2010 | EP2164171A2 Power series predistorter and control method thereof |
| 03/17/2010 | EP2164170A1 Self-adjusting gate bias network for field effect transistors |
| 03/17/2010 | EP2162984A2 Pulse width modulation circuit and class-d amplifier comprising the pwm circuit |
| 03/17/2010 | EP2162914A2 Rf power transistor packages with internal harmonic frequency reduction and methods of forming rf power transistor packages with internal harmonic frequency reduction |
| 03/17/2010 | EP1626508B1 Transmission output control circuit, and wireless device using the same |
| 03/17/2010 | EP1287611B1 Amplifier circuit |
| 03/17/2010 | CN201426111Y Doherty envelope tracking power amplifier |
| 03/17/2010 | CN201425603Y Signal amplifying circuit for receiver of transient high-voltage electromagnetic pulse detector |
| 03/17/2010 | CN101675584A amplifier pre-distortion systems and methods |