| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 03/10/2005 | US20050054308 Dual Mode multi-slot egprs transmitter |
| 03/10/2005 | US20050054307 Signal processing circuit |
| 03/10/2005 | US20050052891 Method of acquiring low distortion and high linear characteristic in triode-typed transconductor |
| 03/10/2005 | US20050052800 Semiconductor integrated circuit device |
| 03/10/2005 | US20050052248 Elevated front-end transimpedance amplifier |
| 03/10/2005 | US20050052244 Fast-response current limiting |
| 03/10/2005 | US20050052243 Temperature-stabilized amplifier circuit |
| 03/10/2005 | US20050052241 Frequency-selective phase/delay control for an amplifier |
| 03/10/2005 | US20050052232 Balanced power amplifier and high-frequency communication apparatus |
| 03/10/2005 | US20050052231 Transimpedance amplifier with adjustable output amplitude and wide input dynamic-range |
| 03/10/2005 | US20050052229 D-class signal amplification circuit |
| 03/10/2005 | US20050052224 Quiescent current control circuit for high-power amplifiers |
| 03/10/2005 | US20050052209 Linear voltage tracking amplifier for negative supply slew rate control |
| 03/10/2005 | US20050051703 Power supply rejection for high bandwidth transimpedance amplifier circuits (TIAs) |
| 03/09/2005 | EP1513256A1 Output buffer with independently controllable current mirror legs |
| 03/09/2005 | EP1512303A1 System for allocating channels to calls via updatable priorities |
| 03/09/2005 | EP1512221A1 Power amplifying system with supply and bias enhancements |
| 03/09/2005 | EP1512220A1 Coordinate rotation of pre-distortion vector in feedforward linearization amplification system |
| 03/09/2005 | EP1332550B1 Linear modulation using a linear and a non-linear amplifier |
| 03/09/2005 | CN2684463Y Signal controlling circuit for household appliance security inspection instrument |
| 03/09/2005 | CN1593005A Non-linear modeling method |
| 03/09/2005 | CN1592093A Frequency-selective phase/delay control for an amplifier |
| 03/09/2005 | CN1592089A Amplifier and radio frequency power amplifier using the same |
| 03/09/2005 | CN1592088A Electric component for communication device and semiconductor device for switching transmission and reception |
| 03/09/2005 | CN1592087A Full current excitation balance injection feedforward power amplifier |
| 03/09/2005 | CN1592086A 放大器电路 The amplifier circuit |
| 03/09/2005 | CN1591477A 3d图象处理设备 3d the image processing apparatus |
| 03/09/2005 | CN1192501C Transmitter image suppression in TDD transceivers |
| 03/09/2005 | CN1192492C Method and device for detecting weak signal of known frequency |
| 03/09/2005 | CA2480608A1 Elevated front-end transimpedance amplifier |
| 03/08/2005 | US6864831 Radar detection method and apparatus |
| 03/08/2005 | US6864751 Transimpedance amplifier with adjustable output amplitude and wide input dynamic-range |
| 03/08/2005 | US6864750 Cascode distributed amplifier |
| 03/08/2005 | US6864747 Amplifier device with an adjustable operating-control |
| 03/08/2005 | US6864745 Distortion compensation device |
| 03/08/2005 | US6864742 Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers |
| 03/08/2005 | US6864724 Current to voltage conversion circuit for photo detector integrated circuit employing gain switching circuit |
| 03/08/2005 | US6864668 High-efficiency amplifier output level and burst control |
| 03/05/2005 | CA2480603A1 Improved power supply rejection for high bandwidth transimpedance amplifier circuits (tias) |
| 03/03/2005 | WO2005020480A1 Transimpedance amplifier with receive signal strength indicator |
| 03/03/2005 | WO2005020447A1 Device and method for limiting the maladjustment of output stages |
| 03/03/2005 | US20050047521 Distortion compensating apparatus |
| 03/03/2005 | US20050047038 Electric component for communication device and semiconductor device for switching transmission and reception |
| 03/03/2005 | US20050046644 3D image processing apparatus |
| 03/03/2005 | US20050046484 Monolithically integrated power amplifier device |
| 03/03/2005 | US20050046483 Variable gain current feedback amplifier |
| 03/03/2005 | US20050046478 Signal processing device and class D amplifier that can reduce radiation noise even if the number of channels of a digital audio signal inputted thereto increases |
| 03/03/2005 | US20050046477 Power amplifier |
| 03/03/2005 | US20050046474 Amplifier and radio frequency power amplifier using the same |
| 03/03/2005 | US20050046460 Amplifier compensation techniques for switched capacitor circuits |
| 03/03/2005 | DE102004033129A1 Ansteuerschaltung, Vorrichtung und Verfahren zur Geräuschunterdrückung und Verwendung Drive circuit, apparatus and method for noise suppression and use |
| 03/02/2005 | EP1511182A1 Table reference predistortor |
| 03/02/2005 | EP1511181A1 Distortion compenasator |
| 03/02/2005 | EP1511180A1 Distortion compensator |
| 03/02/2005 | EP1511179A1 Adaptive controller |
| 03/02/2005 | EP1511170A1 AC differential amplifier with reduced low corner frequency |
| 03/02/2005 | EP1510972A2 3D image processing apparatus |
| 03/02/2005 | EP1510002A1 Transresistance amplifier for a charged particle detector |
| 03/02/2005 | EP1510001A1 An amplifier circuit, gyrator circuit, filter device and method for amplifying a signal |
| 03/02/2005 | CN1589522A Automatic LDMOS biasing with long term hot carrier compensation |
| 03/02/2005 | CN1588794A Radio frequency band low temperature low noise amplifier |
| 03/02/2005 | CN1191676C Control circuit for power ampifier using heterojunction double-electrode transistor |
| 03/02/2005 | CN1191675C Pre-amplifier cirucit |
| 03/02/2005 | CN1191673C High-efficiency sectional power amplifier |
| 03/02/2005 | CN1191565C Operational amplifying circuit and driving cirvuit |
| 03/01/2005 | US6862437 Dual band tuning |
| 03/01/2005 | US6861985 Ferroelectric antenna and method for tuning same |
| 03/01/2005 | US6861910 Multistage amplifier and integrated circuit |
| 03/01/2005 | US6861907 Power amplifier |
| 03/01/2005 | US6861905 Power amplifier system and mobile communication terminal device |
| 03/01/2005 | US6861904 Feed forward amplification apparatus for compensating non-linear distortion |
| 03/01/2005 | US6861903 Signal coupling systems with enhanced isolation and dynamic range |
| 03/01/2005 | US6861902 Self oscillating power amplifier |
| 03/01/2005 | US6861896 Circuits with dynamic biasing |
| 03/01/2005 | CA2315577C Adaptive gain and/or phase adjustment control system and method |
| 02/24/2005 | WO2005018088A2 Low power consumption adaptive power amplifier |
| 02/24/2005 | WO2005018041A2 Low noise, electric field sensor |
| 02/24/2005 | WO2005017956A2 Temperature-insensitive bias circuit for high-power amplifiers |
| 02/24/2005 | WO2005017942A2 High-frequency excitation system comprising a limiting circuit |
| 02/24/2005 | WO2004062096A3 Subtractor circuit and power detector device provided with said subtractor circuit |
| 02/24/2005 | US20050043007 Integrated low noise amplifier |
| 02/24/2005 | US20050041021 Circuit having source follower and semiconductor device having the circuit |
| 02/24/2005 | US20050040892 Transimpedance amplifier with receive signal strength indicator |
| 02/24/2005 | US20050040889 Differential amplifier, data driver and display device |
| 02/24/2005 | US20050040888 Apparatus and method for controlling adaptive circuits |
| 02/24/2005 | US20050040887 Amplifier linearization by pre-distorting a decomposed input signal |
| 02/24/2005 | US20050040884 Drive circuit |
| 02/24/2005 | US20050040883 Semiconductor integrated circuit device |
| 02/24/2005 | US20050040803 Circuit for generating a reference voltage having low temperature dependency |
| 02/24/2005 | DE10392496T5 Adaptive Digitale Vorverzerrung aufgrund eines Verstärkermodells mit frequenzabhängigen Nichtlinearitäten Adaptive Digital Predistortion due to an amp model with frequency-dependent nonlinearities |
| 02/23/2005 | EP1508966A1 Feedback amplifier having amplified signal path and feedback signal path separated |
| 02/23/2005 | EP1508197A2 Signal processing element |
| 02/23/2005 | EP1264458B1 Digital i/q modulator having a predistorsion |
| 02/23/2005 | CN1586035A Transient damping arrangement |
| 02/23/2005 | CN1585265A Circuit having source follower and semiconductor device having the circuit |
| 02/23/2005 | CN1585264A Power amplifying system and method for generating pre-distortion signals |
| 02/23/2005 | CN1190895C 放大器 Amplifiers |
| 02/23/2005 | CN1190889C Dynamic bias boosting circuit for power amplifier |
| 02/22/2005 | US6859643 Power amplifier sharing in a wireless communication system with amplifier pre-distortion |
| 02/22/2005 | US6859104 Tunable power amplifier matching circuit |