Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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09/30/2010 | US20100244949 Composite Amplifier, a Radio Terminal and a Method for Improving the Efficiency of the Composite Amplifier |
09/30/2010 | US20100244948 Multiple-input and multiple-output amplifier using mutual induction in the feedback network |
09/30/2010 | US20100243866 Imaging devices and methods for charge transfer |
09/29/2010 | EP2234271A2 Amplifier Circuit and Transceiver |
09/29/2010 | EP2234270A1 Digital audio device |
09/29/2010 | EP2002538B1 Class l amplifier |
09/29/2010 | EP1756944B1 Current-mode instrumentation amplifier |
09/29/2010 | EP1597824B1 A method and a device for adjusting power amplifier properties |
09/29/2010 | EP1377994B1 Tunable ferro-electric filter |
09/29/2010 | CN201594809U Closed-loop D type audio amplifier system and audio amplifier |
09/29/2010 | CN1996749B Differential amplifier, data driver and display device |
09/29/2010 | CN1992512B Differential amplifier and display device using the same |
09/29/2010 | CN1898861B Radio frequency (rf) and/or microwave power amplification device and corresponding radio communication terminal |
09/29/2010 | CN1838527B 功率放大器 PA |
09/29/2010 | CN101849354A Multi-mode power amplifier with high efficiency under backoff operation |
09/29/2010 | CN101848005A Transmitter |
09/29/2010 | CN101847972A Amplifier circuit and transceiver |
09/29/2010 | CN101847971A Operational amplifier |
09/29/2010 | CN101847970A Digital system with reconfigurable function |
09/29/2010 | CN101847969A Class d amplifier circuit |
09/29/2010 | CN101847968A High-performance D type audio power amplifier with high-order multipath feedback structure |
09/29/2010 | CN101847967A Radio-frequency power amplifier circuit |
09/29/2010 | CN101847627A Semiconductor chip of integrated passive element and power amplifier element |
09/29/2010 | CN101394154B Automatic gain dual channel audio pre-amplifier |
09/29/2010 | CN101373956B Method for compensating common mode feedback circuit frequency of two-stage amplifier |
09/29/2010 | CN101373631B Signal receiver |
09/29/2010 | CN101325402B Audio power amplifier with improved low frequency performance |
09/29/2010 | CN101221714B Driving device |
09/29/2010 | CN101178330B Photocurrent sensing circuit as well as photosensor and electronic device |
09/29/2010 | CN101149893B Semiconductor device, and display device and electronic apparatus using the same |
09/29/2010 | CN101102120B Wireless communication apparatus |
09/28/2010 | US7804366 Millimeter wave monolithic integrated circuits |
09/28/2010 | US7804365 Multilayer amplifier module |
09/28/2010 | US7804364 Absolute power detector |
09/28/2010 | US7804363 Open loop DC control for a transimpedance feedback amplifier |
09/28/2010 | US7804362 Distributed amplifier with negative feedback |
09/28/2010 | US7804361 Low noise amplifier |
09/28/2010 | US7804360 Dead-time locking circuit |
09/28/2010 | US7804358 Device with shared power amplifiers, for use in a wireless telecommunications system |
09/28/2010 | US7804357 Distributed amplifier |
09/28/2010 | US7804333 Input buffer circuit |
09/28/2010 | US7804286 Multiple output amplifiers and comparators |
09/28/2010 | US7804109 Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same |
09/28/2010 | CA2593721C Alternating digital rf modulation |
09/28/2010 | CA2575648C Linear capacitance measurement and touchless switch |
09/28/2010 | CA2425668C Multiple-voltage supply power amplifier with dynamic headroom control |
09/23/2010 | WO2010108193A1 Passive differential voltage doubler |
09/23/2010 | WO2010108044A1 Digital filtering in a class d amplifier system to reduce noise fold over |
09/23/2010 | WO2010108039A1 Cascode amplifier with protection circuitry |
09/23/2010 | WO2010108030A2 Common-gate common-source amplifier |
09/23/2010 | WO2010108029A1 Transconductance bias circuit, amplifier and method |
09/23/2010 | WO2010107561A1 On-chip millimeter wave lange coupler |
09/23/2010 | WO2010107273A2 Amplifying driving unit using giant magneto resistance sensor and diagnosis device using the same |
09/23/2010 | WO2010088110A3 Amplification system for interference suppression in wireless communications |
09/23/2010 | US20100240336 Front end and high frequency receiver having quadrature low noise amplifier |
09/23/2010 | US20100240332 Power amplifier circuit, and transmitter and wireless communication device using the same |
09/23/2010 | US20100240331 Power amplifying circuit, and transmitter and wireless communication device using the same |
09/23/2010 | US20100240329 Amplifying device and transmitter apparatus |
09/23/2010 | US20100237950 Transconductance bias circuit, amplifier and method |
09/23/2010 | US20100237945 Cascode amplifier with protection circuitry |
09/23/2010 | US20100237944 Amplifier System With Digital Adaptive Power Boost |
09/23/2010 | US20100237943 Auto gain controllers, and communication terminals having the same |
09/23/2010 | US20100237942 Common-gate common-source amplifier |
09/23/2010 | US20100237941 Wideband rf amplifiers |
09/23/2010 | US20100237229 Photoelectric conversion device and electronic device provided with the photoelectric conversion device |
09/23/2010 | US20100237228 CMOS Image Sensor Pixel With Internal Charge Amplifier |
09/23/2010 | CA2750412A1 On-chip millimeter wave lange coupler |
09/22/2010 | EP2230762A2 Active distributed signal splitting apparatus |
09/22/2010 | EP2230761A1 Current conveyor based instrumentation amplifier |
09/22/2010 | EP2230760A2 Wireless apparatus and distortion compensation method used on time division duplex system |
09/22/2010 | EP2229726A1 Transmitter comprising a pulse width pulse position modulator and method thereof |
09/22/2010 | EP2229725A2 Automatic power source configuration |
09/22/2010 | EP2229695A2 Monolithically integrated antenna- and receiver circuit for the detection of terahertz waves |
09/22/2010 | CN201590808U Level conversion circuit of push-pull amplifier |
09/22/2010 | CN201590807U Power amplifier with playing function of MP3 (Moving Picture Experts Group Audio Layer-3) |
09/22/2010 | CN201590806U Silicon carbide wide band high-power amplifier device |
09/22/2010 | CN201590805U Low noise amplifier and radio-frequency signal receiver |
09/22/2010 | CN201590804U Audio-frequency amplifier circuit with noise suppression |
09/22/2010 | CN1933324B Differential operational amplifier |
09/22/2010 | CN101842978A Power amplifier and power amplifier control method |
09/22/2010 | CN101842977A Automatic power source configuration |
09/22/2010 | CN101841333A Low-jitter clock buffer for analogue-digital/digital-analogue converter |
09/22/2010 | CN101841309A Rail-to-rail operational amplifier |
09/22/2010 | CN101841308A Structure of high performance operational amplifier |
09/22/2010 | CN101841307A Class d amplifier circuit |
09/22/2010 | CN101841306A Power amplifier |
09/22/2010 | CN101841305A Power amplifying device and power amplifying method |
09/22/2010 | CN101841240A Power supply converter and error amplifier |
09/22/2010 | CN101425784B Non-filter D type audio amplifier based on chaotic spread-spectrum modulation technique |
09/22/2010 | CN101228689B Highly efficient amplifier |
09/21/2010 | US7801296 xDSL-line-interface-circuit |
09/21/2010 | US7800970 Sense amplifier and semiconductor memory device having the same |
09/21/2010 | US7800450 Re-configurable low noise amplifier utilizing feedback capacitors |
09/21/2010 | US7800449 Single-ended-to-differential converter with common-mode voltage control |
09/21/2010 | US7800448 Doherty amplifier |
09/21/2010 | US7800447 Operational amplifier with improved current monitoring and scalable output |
09/21/2010 | US7800446 Method and system for varying gain exponentially with respect to a control signal |
09/21/2010 | US7800445 Low headroom X-bridge transconductor |
09/21/2010 | US7800444 Class D amplifier |
09/21/2010 | US7800442 Output networks in combination with LINC technique |