| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 06/13/2007 | CN1981431A Amplifying apparatus |
| 06/13/2007 | CN1980053A Wireless network audio frequency power amplifier and relative method |
| 06/13/2007 | CN1980027A Switching regulator |
| 06/13/2007 | CN1321498C Voltage comparing circuit |
| 06/12/2007 | US7230989 System and method for processing digital visual interface communication data signals and display data channel communication signals over a transmission line |
| 06/12/2007 | US7230494 Method and apparatus for an LNA with high linearity and improved gain control |
| 06/12/2007 | US7230493 Bias circuit with threshold voltage change compensation function and temperature change compensation function |
| 06/12/2007 | US7230492 Robust monolithic automatic bias circuit with current setting apparatus |
| 06/12/2007 | US7230490 Voltage to current converter and method for converting |
| 06/12/2007 | US7230489 System and apparatus for receiver equalization |
| 06/12/2007 | US7230488 Amplifying circuit, noise reducing apparatus and power converting apparatus |
| 06/12/2007 | US7230487 Amplifying device and converter thereof |
| 06/12/2007 | US7230486 Low voltage CMOS differential amplifier |
| 06/12/2007 | US7230485 Three state class D amplifier |
| 06/12/2007 | US7230484 RF signal amplifier unit, RF signal transmission device and RF signal transmitting terminal-antenna |
| 06/12/2007 | US7230482 Method of preventing abrupt voltage changes at the outputs of a pair of amplifiers and control circuit for a pair of amplifiers self-configuring in a bridge configuration |
| 06/12/2007 | US7230480 Estimating the operating point on a non-linear traveling wave tube amplifier |
| 06/12/2007 | US7230478 Method and apparatus for phase balancing of amplifier modules |
| 06/12/2007 | US7230474 Current drive circuit reducing VDS dependency |
| 06/12/2007 | US7230227 Lenslet/detector array assembly for high data rate optical communications |
| 06/07/2007 | WO2007064403A1 Small signal amplifier with large signal output boost stage |
| 06/07/2007 | WO2007063772A1 Signal transmitting apparatus, method thereof, and audio apparatus |
| 06/07/2007 | WO2007063494A1 Low noise amplifier |
| 06/07/2007 | WO2007063490A1 Full-bridge class-d power amplifier |
| 06/07/2007 | WO2007063409A1 Analogue power control in a saturated amplifier |
| 06/07/2007 | US20070129028 Radio-frequency circuit realizing stable operation |
| 06/07/2007 | US20070126510 Audio process circuit structure and process method thereof |
| 06/07/2007 | US20070126509 System and method for compensating for the effects of aging and temperature on transistor performance |
| 06/07/2007 | US20070126507 Receiving apparatus |
| 06/07/2007 | US20070126506 Low dc power rail-to-rail buffer amplifier for liquid crystal display application |
| 06/07/2007 | US20070126505 Method and apparatus for stabilizing rf power amplifiers |
| 06/07/2007 | US20070126504 Analogue power control in a saturated amplifier |
| 06/07/2007 | US20070126502 High gain, high efficiency power amplifier |
| 06/07/2007 | US20070126500 Modulation method and apparatus |
| 06/06/2007 | EP1793492A1 Power amplifier |
| 06/06/2007 | EP1793491A1 Amplifier with compensated gate bias voltage |
| 06/06/2007 | EP1792395A1 Tunable cascode lna with flat gain response over a wide frequency range |
| 06/06/2007 | EP1579433B1 Arrangement for reading an information carrier |
| 06/06/2007 | EP1543612A4 Power supply based audio compression for digital audio amplifier |
| 06/06/2007 | DE102005058039A1 Schaltungsanordnung und Verfahren zur Verstärkung eines elektrischen Eingangssignals Circuit arrangement and method for amplifying an electrical input signal |
| 06/06/2007 | DE102005057788A1 Dynamic random access memory circuit for lower operating voltages, includes memory cell, bit line pair, selection transistor, read-out amplifier and controller |
| 06/06/2007 | CN1977459A Transmission apparatus, communication apparatus and mobile radio apparatus |
| 06/06/2007 | CN1976544A Capacitive load driving circuit, electrostatic transducer, ultrasonic speaker |
| 06/06/2007 | CN1976543A 半导体集成电路 The semiconductor integrated circuit |
| 06/06/2007 | CN1976219A Electronic parts for high frequency power amplifier and wireless communication device |
| 06/06/2007 | CN1976218A Low voltage low power class A/B output stage |
| 06/06/2007 | CN1976217A Power amplifier with high gain and high efficiency |
| 06/06/2007 | CN1976023A Output match transistor |
| 06/06/2007 | CN1975410A Digital log amplifier for ultrasonic testing |
| 06/06/2007 | CN1320772C Multi-frequency band low-noise amplifier |
| 06/06/2007 | CN1320758C Transmitter circuit, transmission circuit and driver unit |
| 06/06/2007 | CN1320747C Analog buffer circuit, display device and mobile terminal |
| 06/06/2007 | CN1320746C Low-energy zone gap reference voltage circuit |
| 06/05/2007 | US7227560 Display apparatus and driving device for displaying |
| 06/05/2007 | US7227420 Transimpedance amplifier with a high gain/bandwidth product for conversion of a DAC output current |
| 06/05/2007 | US7227419 Power distribution and biasing in RF switch-mode power amplifiers |
| 06/05/2007 | US7227418 Power amplifier |
| 06/05/2007 | US7227416 Current mirror with low static current and transconductance amplifier thereof |
| 06/05/2007 | US7227415 High frequency power amplifier circuit and radio communication system |
| 06/05/2007 | US7227414 Apparatus for receiver equalization |
| 06/05/2007 | US7227413 Audio amplification device with antipop circuitry |
| 06/05/2007 | US7227412 Attenuation cell with an attenuation factor control device |
| 06/05/2007 | US7227411 Apparatus for a differential self-biasing CMOS amplifier |
| 06/05/2007 | US7227410 Differential output circuit with reduced differential output variation |
| 06/05/2007 | US7227409 Apparatus for removing DC offset and amplifying signal with variable gain simultaneously |
| 06/05/2007 | US7227408 Low distortion class-D amplifier using sampling of a servo-loop amplifier output |
| 06/05/2007 | US7227406 Differential amplifier for balanced/unbalanced converter |
| 06/05/2007 | US7227385 Actuation circuit for MEMS structures |
| 06/05/2007 | US7227120 Area monitoring multi-beam photoelectric sensor |
| 06/05/2007 | US7227119 Current voltage converter circuit |
| 06/02/2007 | CA2528674A1 On-chip tunable artificial tank circuit |
| 05/31/2007 | WO2007062349A2 Negative voltage regulator |
| 05/31/2007 | WO2007060675A1 Method and apparatus for optimizing current consumption of amplifiers with power control |
| 05/31/2007 | US20070120617 Modulation apparatus and modulation method |
| 05/31/2007 | US20070120607 Active filter for reduction of common mode current |
| 05/31/2007 | US20070120606 Base station power amplifier for memory effect minimization |
| 05/31/2007 | US20070120604 Low voltage low power class A/B output stage |
| 05/31/2007 | US20070120603 Techniques for designing wide band low noise amplifiers |
| 05/31/2007 | US20070120602 Variable gain power amplifier |
| 05/31/2007 | US20070120601 RF variable gain amplifier |
| 05/31/2007 | US20070120600 Replica bias circuit |
| 05/31/2007 | US20070120599 Multi-operational amplifier system |
| 05/31/2007 | US20070120598 Three Phase Rectifier Circuit With Virtual Neutral |
| 05/31/2007 | US20070120596 Method and apparatus for outputting audio signal |
| 05/31/2007 | US20070120045 Organic photoelectric conversion device and stack type photoelectric conversion device |
| 05/31/2007 | DE102005055426A1 Schaltungsanordnung mit einem rückgekoppelten, voll-differentiellen Operationsverstärker Circuit with a feedback, fully-differential operational amplifier |
| 05/31/2007 | DE102005055415A1 Schaltungsanordnung mit einer Gatetreiberschaltung für einen Leistungstransistor Circuit arrangement with a gate drive circuit for a power transistor |
| 05/30/2007 | EP1791253A2 Stabilization circuit and multiband amplification circuit |
| 05/30/2007 | EP1790074A2 A linear transconductance cell with wide tuning range |
| 05/30/2007 | EP1790073A1 Photodiode amplifier |
| 05/30/2007 | EP1206847B1 Method and arrangement for power amplification in a basestation |
| 05/30/2007 | CN2907090Y Multi-carrier signal generation device |
| 05/30/2007 | CN2907089Y Multi-carrier wave chopping device |
| 05/30/2007 | CN1972530A Electrostatic transducer, ultrasonic speaker, driving circuit of capacitive load |
| 05/30/2007 | CN1972119A Stabilization circuit and multiband amplification circuit |
| 05/30/2007 | CN1319371C Apparatus and method for providng television receiver alignment functions |
| 05/30/2007 | CN1319270C Multicell amplifier & power divider/combiner employable in same |
| 05/30/2007 | CN1319269C 转换功率放大器 Conversion PA |
| 05/29/2007 | US7224728 Pulse width modulator and pulse width modulation method |
| 05/29/2007 | US7224232 RF power amplifier and method for packaging the same |