| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 03/10/2005 | WO2005022283A1 A constant-voltage circuit |
| 03/10/2005 | WO2004098048A3 Differential amplifier with selectable gain |
| 03/10/2005 | WO2004082324A3 Transducer asembly with modifiable buffer circuit and method for adjusting thereof |
| 03/10/2005 | US20050054382 Methods and devices for controlling RF, multi-carrier amplifier signal power |
| 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 | US20050052296 Analog signal conditioning circuit having feedback offset cancellation |
| 03/10/2005 | US20050052248 Elevated front-end transimpedance amplifier |
| 03/10/2005 | US20050052247 Triode region mosfet current source to bias a transimpedance amplifier |
| 03/10/2005 | US20050052246 Fully integrated received signal strength indicator for a transimpedance amplifier |
| 03/10/2005 | US20050052245 Radio frequency integrated circuit having an antenna diversity structure |
| 03/10/2005 | US20050052244 Fast-response current limiting |
| 03/10/2005 | US20050052243 Temperature-stabilized amplifier circuit |
| 03/10/2005 | US20050052242 HF amplifier with switchable gain |
| 03/10/2005 | US20050052240 High isolation/high speed buffer amplifier |
| 03/10/2005 | US20050052238 Differential amplifier circuit |
| 03/10/2005 | US20050052237 Power amplifier circuitry and method |
| 03/10/2005 | US20050052236 Power amplifier circuitry and method |
| 03/10/2005 | US20050052235 Power amplifier circuitry and method |
| 03/10/2005 | US20050052234 Translinear amplifier |
| 03/10/2005 | US20050052233 Controlled offset 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 | US20050052213 Common mode voltage generation at a differential output of an amplifier |
| 03/10/2005 | US20050052167 Power amplifier circuitry and method |
| 03/10/2005 | US20050051853 Interdigitated layout methodology for amplifier and H-bridge output stages |
| 03/10/2005 | US20050051703 Power supply rejection for high bandwidth transimpedance amplifier circuits (TIAs) |
| 03/09/2005 | EP1512221A1 Power amplifying system with supply and bias enhancements |
| 03/09/2005 | EP1476912A4 Switchable combiner and integrated combining apparatus for using it |
| 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 | CN1592145A Communication signal bidirection amplifier |
| 03/09/2005 | CN1592092A Audio signal amplifier and audio apparatus having the same |
| 03/09/2005 | CN1592090A Apparatus and method for realizing linear switch power amplifying |
| 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 | CN1592085A Communication apparatus, electronic equipment communication function circuit, amplifier circuit and balun circuit |
| 03/09/2005 | CN1591618A Current-voltage transforming circuit employing limiter circuit |
| 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 | US6865129 Differential amplifier circuit with high amplification factor and semiconductor memory device using the differential amplifier circuit |
| 03/08/2005 | US6864815 Method and apparatus for efficient mixed signal processing in a digital amplifier |
| 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 | US6864749 Transimpedance amplifier |
| 03/08/2005 | US6864748 Differential current amplifier with common mode rejection and high frequency boost |
| 03/08/2005 | US6864747 Amplifier device with an adjustable operating-control |
| 03/08/2005 | US6864746 Dual gain amplification low noise amplifier |
| 03/08/2005 | US6864743 Microwave amplifier with bypass segment |
| 03/08/2005 | US6864742 Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers |
| 03/08/2005 | US6864726 Output signal control from a DAC-driven amplifier-based driver |
| 03/08/2005 | US6864724 Current to voltage conversion circuit for photo detector integrated circuit employing gain switching circuit |
| 03/08/2005 | US6864723 High-swing transconductance amplifier |
| 03/05/2005 | CA2480606A1 Fully integrated received signal strength indicator for a transimpedance amplifier |
| 03/05/2005 | CA2480604A1 Triode region mosfet current source to bias a transimpedance amplifier |
| 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 | WO2004073160A3 Electronically tunable power amplifier tuner |
| 03/03/2005 | US20050048935 Communications signal amplifiers having independent power control and amplitude modulation |
| 03/03/2005 | US20050047615 Audio signal amplifier and audio apparatus having the same |
| 03/03/2005 | US20050047038 Electric component for communication device and semiconductor device for switching transmission and reception |
| 03/03/2005 | US20050046484 Monolithically integrated power amplifier device |
| 03/03/2005 | US20050046482 Receiver circuit |
| 03/03/2005 | US20050046481 System and method to accelerate settling of an amplifier |
| 03/03/2005 | US20050046480 Common mode feedback circuit for fully differential two-stage operational amplifiers |
| 03/03/2005 | US20050046479 Linear-in-decibel variable gain 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 | US20050046475 Low-noise transmitter system and method |
| 03/03/2005 | US20050046474 Amplifier and radio frequency power amplifier using the same |
| 03/03/2005 | US20050046472 Data driving circuit and semiconductor memory device having the same |
| 03/03/2005 | US20050046469 Low voltage current reference circuits |
| 03/03/2005 | US20050046460 Amplifier compensation techniques for switched capacitor circuits |
| 03/03/2005 | US20050046459 Biasing technique using thin and thick oxide transistors |
| 03/03/2005 | US20050046448 Current-voltage transforming circuit employing limiter circuit |
| 03/03/2005 | US20050045807 Photoelectric current and voltage converting circuit |
| 03/03/2005 | US20050045806 Photoelectric current and voltage converting circuit |
| 03/03/2005 | DE202004011117U1 Push-pull valve amplifier e.g. for hi-fi music listeners, uses silver wire in output transformer primary- and/or secondary-windings. |
| 03/03/2005 | DE19850938B4 Gerät und Verfahren zur Überwachung der Verlustleistung freier Kanäle Apparatus and method for monitoring the power dissipation of free channels |
| 03/03/2005 | DE10361014A1 Semiconductor component with high frequency (HF) circuit with active circuit components integrated in first semiconductor chip, while at least part of passive circuit components are formed in second semiconductor chip by silicon processing |
| 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 | EP1511197A2 Photoelectric current and voltage converting circuit |
| 03/02/2005 | EP1511171A1 Rail-to-Rail input buffer |
| 03/02/2005 | EP1511170A1 AC differential amplifier with reduced low corner frequency |
| 03/02/2005 | EP1510828A1 Photoelectric current and voltage converting circuit |
| 03/02/2005 | EP1510003A1 Rf power amplifier |
| 03/02/2005 | EP1510002A1 Transresistance amplifier for a charged particle detector |
| 03/02/2005 | EP1510000A1 Operational amplifier with independent input offset trim for high and low common mode input voltages |
| 03/02/2005 | EP1509998A2 Apparatus for detecting the envelope of rf power signals |
| 03/02/2005 | EP1254511B1 Differential amplifier with gain substantially independent of temperature |
| 03/02/2005 | CN1589523A Image display apparatus and high voltage driver circuit |
| 03/02/2005 | CN1589522A Automatic LDMOS biasing with long term hot carrier compensation |
| 03/02/2005 | CN1588795A Time-division type power amplifying circuit |
| 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 |