| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 06/29/2006 | US20060138476 Dc amplifier and semiconductor integrated circuit therefor |
| 06/28/2006 | EP1673873A1 Power saving in a transmitter |
| 06/28/2006 | EP1673859A1 Method and apparatus for resetting a buffer amplifier |
| 06/28/2006 | EP1673858A2 Stacked rf power amplifier |
| 06/28/2006 | EP1673857A2 Data signal amplifier and processor with multiple signal gains for increased dynamic signal range |
| 06/28/2006 | EP1673856A2 Method for aligning feed forward loops |
| 06/28/2006 | EP1323231B1 Controlled self-oscillation modulator and power conversion system using such a modulator |
| 06/28/2006 | EP1090457B9 Linear traveling wave tube amplifier utilizing input drive limiter for optimization |
| 06/28/2006 | CN2792024Y Audio power amplifier |
| 06/28/2006 | CN2792023Y Peripheral vacuum tube sound effect device |
| 06/28/2006 | CN1795608A Improvements in or relating to transconductor circuits |
| 06/28/2006 | CN1795584A Ferroelectric antenna and method for tuning same |
| 06/28/2006 | CN1794569A 数字放大器 Digital Amplifier |
| 06/27/2006 | US7068951 Optical signal receiver with RPM, data and data bar output |
| 06/27/2006 | US7068933 Apparatus and method for detecting beam power in optical drive |
| 06/27/2006 | US7068521 Semiconductor device |
| 06/27/2006 | US7068450 High speed pre-driver with voltage reference for thin film head write driver |
| 06/27/2006 | US7068203 Switched-capacitor circuits with reduced finite-gain effect |
| 06/27/2006 | US7068109 Apparatus for controlling modulation of an alternating waveform on a DC voltage signal within a low-noise block controller |
| 06/27/2006 | US7068107 Variable gain amplifier |
| 06/27/2006 | US7068106 Bias current cancellation for differential amplifiers |
| 06/27/2006 | US7068105 Low-voltage differential amplifier |
| 06/27/2006 | US7068104 Power amplifier utilizing high breakdown voltage circuit topology |
| 06/27/2006 | US7068103 Operational transconductance amplifier input driver for class D audio amplifiers |
| 06/27/2006 | US7068100 Gain control methods and systems in an amplifier assembly |
| 06/27/2006 | US7068099 Power amplifier module with distortion compensation |
| 06/27/2006 | US7068097 High frequency high power H-bridge power amplifier |
| 06/27/2006 | US7068096 EER modulator with power amplifier having feedback loop providing soft output impedance |
| 06/27/2006 | US7068095 Amplifier circuit |
| 06/27/2006 | US7068090 Amplifier circuit |
| 06/27/2006 | US7067792 Control of a photosensitive cell |
| 06/27/2006 | US7067790 Photodetector for weak light having charge reset means |
| 06/27/2006 | US7066261 Perforating system and method |
| 06/22/2006 | WO2006065462A2 A transmitter, a transceiver and a method of controlling a transmit power therefor |
| 06/22/2006 | WO2006065388A1 Broadband high efficiency traveling wave tube amplifier system |
| 06/22/2006 | US20060135096 High-efficiency modulating RF amplifier |
| 06/22/2006 | US20060132242 Low noise amplifier for wideband tunable matching |
| 06/22/2006 | US20060132241 Transistor integrated circuit device and manufacturing method thereof |
| 06/22/2006 | US20060132239 Input tracking current mirror for a differential amplifier system |
| 06/22/2006 | US20060132238 Amplifier for inductive loads |
| 06/22/2006 | US20060132237 Linear-in-dB variable gain amplifiers with an adaptive bias current |
| 06/22/2006 | US20060132236 Apparatus and method for receiving inputted signal |
| 06/22/2006 | US20060132235 Gain-controlled amplifier, receiver circuit and radio communication device |
| 06/22/2006 | US20060132234 Integrated booster amplifier |
| 06/22/2006 | US20060132233 Integrated circuit devices having a control circuit for biasing an amplifier output stage and methods of operating the same |
| 06/22/2006 | US20060132231 Power amplifying apparatus |
| 06/22/2006 | US20060132230 Method and apparatus for compensating amplifier output for temperature and process variations |
| 06/22/2006 | US20060132177 Linear buffer |
| 06/22/2006 | US20060131701 Use of a down-bond as a controlled inductor in integrated circuit applications |
| 06/21/2006 | EP1672860A1 Modulating apparatus and modulating method |
| 06/21/2006 | EP1672785A1 Switching amplifier |
| 06/21/2006 | EP1672781A1 Method and apparatus for compensating amplifier output for temperature and process variations |
| 06/21/2006 | EP1671420A2 Power conversion system |
| 06/21/2006 | EP1671419A1 Power supply compensation |
| 06/21/2006 | EP1671418A1 Composite power amplifier |
| 06/21/2006 | EP1671197A2 Hybrid switched mode/linear power amplifier power supply for use in polar transmitter |
| 06/21/2006 | EP1269625B1 Electronic output module |
| 06/21/2006 | EP1245079B1 Voltage level translation circuits |
| 06/21/2006 | CN2790034Y Power amplifying circuit with adjustable output power |
| 06/21/2006 | CN2790033Y 一体化功率放大器 Integrated power amplifiers |
| 06/21/2006 | CN2790032Y Digital control amplifier with digital control power source adapted to processing power frequency and medium frequency signals |
| 06/21/2006 | CN1792038A A sigma-delta modulator with reduced switching rate for use in class-D amplification |
| 06/21/2006 | CN1792031A Dynamic method for limiting the reverse base-emitter voltage |
| 06/21/2006 | CN1792030A 噪声发生器 Noise Generator |
| 06/21/2006 | CN1791279A Speaker system, audio amplifier and audio system |
| 06/21/2006 | CN1790954A Apparatus and method for controlling gain of optical receiver in optical communication system |
| 06/21/2006 | CN1790925A Linear power amplification distortion counteracting method |
| 06/21/2006 | CN1790921A Linearization device and method for base station |
| 06/21/2006 | CN1790900A Differential amplifier and data driver employing the differential amplifier |
| 06/21/2006 | CN1790899A Class D amplifier |
| 06/21/2006 | CN1790898A Class D amplifier |
| 06/21/2006 | CN1790897A Method for adjusting power amplification efficiency |
| 06/21/2006 | CN1790896A Radio-frequency power amplifier modeling method based on memory effect |
| 06/21/2006 | CN1790895A Method and apparatus for compensating amplifier output for temperature and process variations |
| 06/21/2006 | CN1790804A High frequency module set |
| 06/21/2006 | CN1260990C High-frequency power amplifier |
| 06/21/2006 | CN1260881C Differential curcuit and amplifying circuit and display using said amplifying circuit |
| 06/21/2006 | CN1260880C High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance |
| 06/20/2006 | US7065334 Variable gain amplifier device |
| 06/20/2006 | US7064615 Method and apparatus for doherty amplifier biasing |
| 06/20/2006 | US7064614 Current mirror biasing circuit with power control for HBT power amplifiers |
| 06/20/2006 | US7064613 Amplifier bias system and method |
| 06/20/2006 | US7064612 High frequency power amplification electric part and wireless communication system |
| 06/20/2006 | US7064611 IDSS RF amplifier |
| 06/20/2006 | US7064610 Differential amplifier with large input common mode signal range |
| 06/20/2006 | US7064609 High voltage, low-offset operational amplifier with rail-to-rail common mode input range in a digital CMOS process |
| 06/20/2006 | US7064606 High efficiency amplifier and method of designing same |
| 06/20/2006 | US7064605 Circuit and method of establishing DC bias levels in an RF power amplifier |
| 06/20/2006 | US7064604 Amplifier switch |
| 06/20/2006 | US7064603 Driving circuit and semiconductor device |
| 06/20/2006 | US7064313 Gradual reset voltage reduction for resetting an image sensor |
| 06/15/2006 | WO2006062941A2 Amplifier system with current-mode servo feedback |
| 06/15/2006 | WO2006005040A3 Slew rate enahncement circuitry for folded cascode amplifier |
| 06/15/2006 | US20060127095 Circuit arrangement and methods for a remote control receiver having a photodiode |
| 06/15/2006 | US20060127090 Apparatus and method for controlling gain of optical receiver in optical communication system |
| 06/15/2006 | US20060126754 Efficient modulation of rf signals |
| 06/15/2006 | US20060125567 Amplifier circuit |
| 06/15/2006 | US20060125566 Current mirror with low static current and transconductance amplifier thereof |
| 06/15/2006 | US20060125565 Controllable rf broadband and amplifier with a constant input impedance |
| 06/15/2006 | US20060125564 Method of forming a wide bandwidth differential amplifier and structure therefor |