| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 04/03/2008 | US20080079496 Amplifier containing programmable impedance for harmonic termination |
| 04/03/2008 | US20080079495 Bias circuit and power amplifier |
| 04/03/2008 | US20080079494 Broadband low noise amplifier |
| 04/03/2008 | US20080079493 Circuit and method for generating electrical solitons with junction field effect transistors |
| 04/03/2008 | US20080079492 Differential amplifier |
| 04/03/2008 | US20080079491 Differential amplifier circuit |
| 04/03/2008 | US20080079487 Power amplifier |
| 04/03/2008 | US20080079486 Amplifier circuit with multiple power supplies |
| 04/03/2008 | US20080078923 Semiconductor device |
| 04/03/2008 | DE19654295B4 Steuerschaltung zur Rauschunterdrückung Control circuit for noise reduction |
| 04/03/2008 | DE10249835B4 Voll differentieller Operationsverstärker Fully differential operational amplifier |
| 04/03/2008 | DE102007046047A1 Leistungsverstärker Power amplifier |
| 04/03/2008 | DE102007040860A1 Hochfrequenzverstärker High-frequency amplifier |
| 04/03/2008 | DE102007040498A1 Digitalverstärker, Referenzspannungserzeuger und Verfahren zum Reduzieren einer DC-Komponente Digital amplifier, the reference voltage generator and method for reducing a DC component |
| 04/03/2008 | DE102007032775A1 Leistungsverstärker Power amplifier |
| 04/03/2008 | DE102006043902A1 Stromwandler, Frequenzmischer und Verfahren zur Frequenzmischung Current transformer, frequency mixers and frequency mixing method |
| 04/02/2008 | EP1905161A1 Multimode transmitter, module, communication device and chip set |
| 04/02/2008 | EP1905096A2 Switch mode power amplifier using fet with field plate extension |
| 04/02/2008 | CN101156316A High frequency amplifier and transmitting/receiving system |
| 04/02/2008 | CN101154929A Conversion circuit for converting differential signal into single-phase signal |
| 04/02/2008 | CN101154928A Operational amplifier and method of driving liquid crystal display |
| 04/02/2008 | CN101154927A Low-drifting voltage operational amplifier and method for reducing drifting voltage |
| 04/02/2008 | CN101154926A Amplifier circuit with multiple power supplies |
| 04/02/2008 | CN101154925A Radio-frequency differential-to-single-ended converter |
| 04/02/2008 | CN101154924A Photoreceiver/amplifier circuit, optical pickup device, and optical disk device |
| 04/02/2008 | CN101154923A Driving circuit of power amplifier |
| 04/02/2008 | CN100379155C Level shift circuit |
| 04/01/2008 | US7352247 Triple cascode power amplifier of inner parallel configuration with dynamic gate bias technique |
| 04/01/2008 | US7352246 Noise-shaping amplifier with waveform lock |
| 04/01/2008 | US7352245 Auto-range current mirror circuit |
| 04/01/2008 | US7352243 Voltage comparator circuit |
| 04/01/2008 | US7352242 Programmable gain trim circuit |
| 04/01/2008 | US7352241 Variable gain amplifier |
| 04/01/2008 | US7352240 Method and apparatus for protecting devices in an RF power amplifier |
| 04/01/2008 | US7352239 Power amplification apparatus using switching structure in a wireless communication system and method for controlling the same |
| 04/01/2008 | US7352237 Radio frequency power amplifier and corresponding method |
| 04/01/2008 | US7352232 Method and apparatus for extending the size of a transistor beyond one integrated circuit |
| 04/01/2008 | US7352231 Method and circuit for perturbing removable singularities in coupled translinear loops |
| 04/01/2008 | CA2289212C Active phase splitter |
| 03/27/2008 | WO2008035480A1 Low noise amplifier and wireless communication system |
| 03/27/2008 | US20080077346 Apparatus and method of feeding internal calibration signal through electro-static discharge protection circuitry |
| 03/27/2008 | US20080075473 Receiver circuit |
| 03/27/2008 | US20080074405 Operational amplifier and method of driving liquid crystal display |
| 03/27/2008 | US20080074198 Photoreceiver/amplifier circuit, optical pickup device, and optical disk device |
| 03/27/2008 | US20080074197 Circuit for providing a signal boost |
| 03/27/2008 | US20080074196 Emi reduction stage in a post-amplifier |
| 03/27/2008 | US20080074195 Adaptive tuning circuit to maximize output signal amplitude for an amplifier |
| 03/27/2008 | US20080074194 Amplifying circuit utilizing nonlinear gate capacitance for enhancing linearity and related method thereof |
| 03/27/2008 | US20080074193 Circuit for biasing a transistor and related system and method |
| 03/27/2008 | US20080074192 Circuit for correcting sensor temperature characteristics |
| 03/27/2008 | US20080074191 Traveling wave amplifier with distributed regenerative feedback between drain-to-drain transmission lines and gate-to-gate transmission lines for enhanced high frequency bandwidth |
| 03/27/2008 | US20080074190 Scheme for improving settling behavior of gain boosted fully differential operational amplifier |
| 03/27/2008 | US20080074189 Continuous time common-mode feedback module and method with wide swing and good linearity |
| 03/27/2008 | US20080074188 Output Differential Stage |
| 03/27/2008 | US20080074187 Multi-gain amplifier with input impedance control |
| 03/27/2008 | US20080074183 Compensated gain control device |
| 03/27/2008 | US20080074182 Device and method including current measurement and/or amplification |
| 03/27/2008 | US20080074179 Conversion circuit for converting differential signal into signal-phase signal |
| 03/27/2008 | US20080074152 Sense amplifier circuit for low voltage applications |
| 03/27/2008 | DE102007040861A1 Verstärkeranordnung und Verfahren zum Verstärken eines Signals An amplifier arrangement and method for amplifying a signal |
| 03/27/2008 | DE102007026021A1 Systeme, Verfahren und Vorrichtungen für orthogonale rekursive Mehrwege-Vorverzerrung Systems, methods and apparatus for orthogonal recursive multi-path predistortion |
| 03/27/2008 | DE102006043746A1 Schaltungsanordnung zur Unterdrückung von Einschaltgeräuschen A circuit arrangement for suppression of thumps |
| 03/26/2008 | EP1903673A1 Regulator circuit for thermal compensation of an electronic amplifying path |
| 03/26/2008 | EP1903672A2 Three-stage amplifier |
| 03/26/2008 | EP1902520A2 Device comprising a feedback-less gain controlled amplifier |
| 03/26/2008 | EP1625655B1 Method of estimating an intersection between at least two continuous signal representations |
| 03/26/2008 | EP1576725A4 Thermal feedback for switch mode amplification |
| 03/26/2008 | EP1411632B1 High frequency power amplifier and wireless communication system |
| 03/26/2008 | EP1344315B1 Class e/f switching power amplifiers |
| 03/26/2008 | EP1330870B1 Method and apparatus for controlling an amplifier |
| 03/26/2008 | CN201041999Y A novel device for electromagnetic bearing power amplifier |
| 03/26/2008 | CN101151799A Amplifier apparatus |
| 03/26/2008 | CN101151798A Amplifier apparatus |
| 03/26/2008 | CN101151654A Load driving circuit |
| 03/26/2008 | CN101150329A Radio transceiver bias circuit |
| 03/26/2008 | CN101150297A Half-wave impulse bandwidth modulation D audio amplifier |
| 03/26/2008 | CN101150296A A low-noise amplifier for radio communication and navigation receiver and its realization method |
| 03/26/2008 | CN101149893A Semiconductor device, and display device and electronic apparatus using the same |
| 03/26/2008 | CN100377494C 电路 Circuit |
| 03/25/2008 | US7349681 Self-biased high-speed receiver |
| 03/25/2008 | US7349017 Color sensor circuit with integrated programmable gain selection |
| 03/25/2008 | US7348856 Semiconductor device |
| 03/25/2008 | US7348855 Bias circuitry for cascode transistor circuit |
| 03/25/2008 | US7348853 Power detector for mismatched load |
| 03/25/2008 | US7348852 Device and method for power amplifier noise reduction |
| 03/25/2008 | US7348851 Miller-compensated amplifier |
| 03/25/2008 | US7348850 Electronic circuit for amplification of a bipolar signal |
| 03/25/2008 | US7348849 Variable gain amplifier |
| 03/25/2008 | US7348848 Buffer amplifier for source driver |
| 03/25/2008 | US7348847 Integrated implementation of a collector boost scheme and method therefor |
| 03/25/2008 | US7348846 Amplifier arrangement |
| 03/25/2008 | US7348840 Feedback controller for PWM amplifier |
| 03/25/2008 | US7348833 Bias circuit having transistors that selectively provide current that controls generation of bias voltage |
| 03/20/2008 | WO2008033581A1 Efficient narrow band amplification using linear amplifier |
| 03/20/2008 | WO2008033116A1 Amplification circuit and method therefor |
| 03/20/2008 | WO2008032895A1 Differential signalling circuit including passive common mode feedback circuit |
| 03/20/2008 | WO2008032782A1 Amplifying unit, method of output control and control program |
| 03/20/2008 | WO2008032601A1 Amplifier, amplifying method and filter |
| 03/20/2008 | WO2008032264A2 Amplifier architecture for polar modulation |
| 03/20/2008 | US20080070541 Current converter, frequency mixer, radiofrequency transmission system and method for frequency mixing |