| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 09/13/2011 | US8018283 Reconfigurable distributed active transformers |
| 09/13/2011 | US8018282 Driving circuit system and method of elevating slew rate of operational amplifier |
| 09/13/2011 | US8018281 Method and device for performing offset cancellation in an amplifier using floating-gate transistors |
| 09/13/2011 | US8018280 Thermal regulation of a class-D audio amplifier |
| 09/13/2011 | US8018279 Class D amplifier circuit with bi-directional power switch |
| 09/13/2011 | US8018276 Signal processing method and power amplifier device |
| 09/13/2011 | US8018253 Sense amplifier circuit and related configuration and operation methods |
| 09/09/2011 | WO2011109475A1 Dual carrier amplifier circuits and methods |
| 09/09/2011 | WO2011109209A1 Reducing pulse error distortion |
| 09/09/2011 | WO2011109158A1 Planar audio amplifier output inductor with current sense |
| 09/09/2011 | WO2011109152A1 Versatile audio power amplifier |
| 09/09/2011 | WO2011108103A1 Transmitter module and phased array antenna device |
| 09/09/2011 | WO2011108057A1 Transmitter circuit using polar modulation system, and communication device |
| 09/09/2011 | WO2011107824A1 Operational amplifier having improved slew rate |
| 09/09/2011 | WO2011107670A1 Class a push-pull amplifier |
| 09/09/2011 | WO2011107669A1 Very high fidelity audio amplifier |
| 09/09/2011 | WO2011107159A1 Circuit unit, bias circuit with circuit unit and differential amplifier circuit with first and second circuit unit |
| 09/09/2011 | WO2011040721A3 Two-wheel type throwing robot |
| 09/09/2011 | CA2789999A1 Versatile audio power amplifier |
| 09/08/2011 | US20110217941 Amplifier and communication apparatus |
| 09/08/2011 | US20110217940 Radio-Frequency Transmitter and Amplifier |
| 09/08/2011 | US20110216818 Variable duty cycle generation for out-phasing and pwm power amplifiers |
| 09/08/2011 | US20110216258 Differential amplifier circuit, display panel driver, and display device |
| 09/08/2011 | US20110215871 Electronic circuits including a MOSFET and a dual-gate JFET |
| 09/08/2011 | US20110215870 Burst mode amplifier |
| 09/08/2011 | US20110215869 Partial cascode in combination with full cascode operational transconductance amplifier |
| 09/08/2011 | US20110215868 Operational Amplifier Having Improved Slew Rate |
| 09/08/2011 | US20110215867 Reducing pulse error distortion |
| 09/08/2011 | US20110215866 asymmetric multilevel outphasing architecture for rf amplifiers |
| 09/08/2011 | US20110215865 Power amplifier |
| 09/08/2011 | US20110215227 Photosensitive Detector with Composite Dielectric Gate MOSFET Structure and Its Signal Readout Method |
| 09/08/2011 | US20110215225 Optical receiver device |
| 09/08/2011 | US20110215224 Photoelectric conversion apparatus |
| 09/07/2011 | EP2363953A1 Minimizing switching noise and its effects in auto-zeroed amplifiers |
| 09/07/2011 | EP2263310B1 Quadrature output low noise transconductance amplifier having differential input |
| 09/07/2011 | EP2070190B1 Controlled power converter |
| 09/07/2011 | CN201966874U Audio and video exchanging and audio mixed power amplifying device |
| 09/07/2011 | CN201966872U 一种内置天线低噪声放大电路 A built antenna low noise amplifier |
| 09/07/2011 | CN1770623B Method for high efficiency audio amplifier |
| 09/07/2011 | CN1582527B Power amplifier module with distortion compensation |
| 09/07/2011 | CN102176661A Chopping stabilized rail-to-rail amplifier with broadband and low-power consumption based on MOS (metal oxide semiconductor) device |
| 09/07/2011 | CN102176660A Broadband rail-to-rail amplifier with low power consumption, realized by MOS (Metal Oxide Semiconductor) components |
| 09/07/2011 | CN102176659A Transconductance-enhanced recovery current folded MOS (metal oxide semiconductor) transistor cascade amplifier |
| 09/07/2011 | CN102176282A Power amplification device for power carrier system and power carrier system |
| 09/07/2011 | CN101727120B Linear voltage regulator circuit for rapidly responding to load change without plug-in capacitor |
| 09/07/2011 | CN101454980B Analog insulation/multiplexer |
| 09/07/2011 | CN101156316B High frequency amplifier and transmitting/receiving system |
| 09/06/2011 | US8013680 Distributed Doherty amplifiers |
| 09/06/2011 | US8013679 Operational amplifier |
| 09/06/2011 | US8013678 Hybrid feedback controlled oscillation modulator and switching power amplifier system |
| 09/06/2011 | US8013677 One-sided switching pulse width modulation amplifiers |
| 09/06/2011 | US8013675 Combiner-less multiple input single output (MISO) amplification with blended control |
| 09/06/2011 | US8013673 Radio frequency power amplifier |
| 09/06/2011 | US8013639 MOS integrated circuit and electronic equipment including the same |
| 09/06/2011 | US8013286 Nanoelectronic differential amplifiers and related circuits having graphene nanoribbons |
| 09/06/2011 | CA2202748C Rf power amplifier system having an improved drive system |
| 09/01/2011 | WO2011105359A1 Amplifying device, signal processing device, wireless communication device, connector mounting structure, and coaxial connector |
| 09/01/2011 | WO2011104933A1 Bias circuit, lna, lnb, receiver for communication, transmitter for communication, and sensor system |
| 09/01/2011 | WO2011104800A1 Calculation circuit having gain adjusting function |
| 09/01/2011 | WO2011104797A1 A/d converter |
| 09/01/2011 | WO2011104786A1 Pipeline analog to digital converter and analog to digital conversion method and dynamic differential amplifier |
| 09/01/2011 | WO2011103779A1 Power amplifier and bridge circuit thereof |
| 09/01/2011 | US20110210795 High frequency power amplifier and operating method thereof |
| 09/01/2011 | US20110210794 Voltage sensing circuit capable of controlling a pump voltage stably generated in a low voltage environment |
| 09/01/2011 | US20110210793 Variable gain amplifier having automatic power consumption optimization |
| 09/01/2011 | US20110210792 Power amplifier device |
| 09/01/2011 | US20110210791 Integrated circuit devices having a data controlled amplifier and methods of operating the same |
| 09/01/2011 | US20110210790 Filter compensation for switching amplifiers |
| 09/01/2011 | US20110210787 Switchless band separation for transceivers |
| 09/01/2011 | US20110210786 Doherty Amplifier with Input Network Optimized for MMIC |
| 08/31/2011 | EP2362541A1 Parallel amplifier |
| 08/31/2011 | EP1400012B1 Distributed circular geometry power amplifier architecture |
| 08/31/2011 | CN201957247U 一种自切换的wlan双向放大器装置 Wlan bidirectional amplifier means a self-switching |
| 08/31/2011 | CN201956979U 可编程增益放大器电路 Programmable gain amplifier circuit |
| 08/31/2011 | CN201956978U 用于射频功率放大器的可调有源偏置电路 Adjustable active bias circuit for RF power amplifiers |
| 08/31/2011 | CN201956976U 一种音频放大器开启控制电路 An audio amplifier control circuit open |
| 08/31/2011 | CN102171924A Network for controlling the power supply to a system of active elements |
| 08/31/2011 | CN102170272A Power amplifier and bridge circuit thereof |
| 08/31/2011 | CN102170271A Power amplification device and power amplification circuit |
| 08/31/2011 | CN102170270A High frequency power amplifier and operating method thereof |
| 08/31/2011 | CN102170269A Power amplification device and power amplification circuit |
| 08/31/2011 | CN101558558B Automatic zero voltage switching mode controller |
| 08/31/2011 | CN101534097B Inverse integrator of lower-gain switch capacitance with non-sensitive parasitic effect and lower power consumption |
| 08/31/2011 | CN101499781B Distortion compensating apparatus and power amplifier apparatus |
| 08/31/2011 | CN101409533B 跨导器 Transconductor |
| 08/31/2011 | CN101170299B Operational amplifier and display device |
| 08/30/2011 | US8008977 Field-plated transistor including feedback resistor |
| 08/30/2011 | US8008976 High-efficiency power amplification apparatus using saturated operation and method for controlling the same |
| 08/30/2011 | US8008975 Gate-boosted, variable voltage supply rail amplifier |
| 08/30/2011 | US8008972 Differential signal generator circuit |
| 08/30/2011 | US8008969 Single supply class-D amplifier |
| 08/25/2011 | WO2011103101A1 Methods and apparatus for a switchable balun for combined bluetooth and wlan operation |
| 08/25/2011 | WO2011102177A1 Amplification device and wireless transmission device provided with same, and gain adjusting method for amplification device |
| 08/25/2011 | WO2011102092A1 Digital amplifier |
| 08/25/2011 | WO2011080724A3 Power amplifier with feedback impedance for stable output |
| 08/25/2011 | US20110205193 Operational amplifier with decreased through current, and display panel driver and display device incorporating the same |
| 08/25/2011 | US20110205098 Switched capacitor amplifier |
| 08/25/2011 | US20110204982 Power amplifier and bridge circuit in power amplifier |
| 08/25/2011 | US20110204981 Bias circuit and amplifier providing constant output current for a range of common mode inputs |
| 08/25/2011 | US20110204980 Integrated doherty amplifier |