| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 06/23/2011 | US20110148526 Low noise amplifier with variable frequency response |
| 06/23/2011 | US20110148525 Current mirror with low headroom and linear response |
| 06/23/2011 | US20110148524 Radio frequency buffer |
| 06/23/2011 | US20110148523 Op-amp sharing with input and output reset |
| 06/23/2011 | US20110148522 Integrated circuit having a dummy transimpedance amplifier |
| 06/23/2011 | US20110148521 Dynamic constant power amplifier |
| 06/23/2011 | US20110148518 Dynamic range improvements of load modulated amplifiers |
| 06/23/2011 | US20110148375 Power amplifying circuit, DC-DC converter, peak holding circuit, and output voltage control circuit including the peak holding circuit |
| 06/23/2011 | US20110147590 System for transmitting an electrical signal, in particular frequency-related, and radiation measurement device equipped with such a system |
| 06/22/2011 | EP2335352A1 Electronic circuit |
| 06/22/2011 | EP2335351A1 Excitation stage for high frequency generator |
| 06/22/2011 | EP2335350A1 Network for controlling the power supply to a system of active elements |
| 06/22/2011 | EP2335089A1 A re-configurable amplifier |
| 06/22/2011 | DE102007026297B4 Dämpfungsglied Attenuator |
| 06/22/2011 | CN201878099U Device for amplifying passive RF small signals |
| 06/22/2011 | CN201878097U Power amplification grid voltage temperature compensation circuit and radiofrequency power amplifier |
| 06/22/2011 | CN1518220B Band-pass filter of changable and tunable with optimum frequency response |
| 06/22/2011 | CN102106082A Commutating amplifier with wide dynamic range |
| 06/22/2011 | CN102106080A Liquid crystal driving apparatus |
| 06/22/2011 | CN102106079A Distortion compensation amplification device |
| 06/22/2011 | CN102106078A Power amplification device, and transmission device and communication device both using thereof |
| 06/22/2011 | CN102104386A Voltage adder circuit and D/A converter circuit |
| 06/22/2011 | CN102104367A Variable gain amplifier (VGA) |
| 06/22/2011 | CN102104365A Power amplifying circuit, DC-DC converter, peak holding circuit, and output voltage control circuit including the peak holding circuit |
| 06/22/2011 | CN101562425B High-low power combining circuit for radio-frequency power amplifier |
| 06/22/2011 | CN101526258B Communication circuit of central air conditioner |
| 06/22/2011 | CN101304236B Variable bias control for switch mode RF amplifier |
| 06/22/2011 | CN101227174B Broad band charge amplifier and design method thereof |
| 06/21/2011 | US7965426 Image processing apparatus and method for performing gamut mapping via device-independent standard color space |
| 06/21/2011 | US7965139 Amplifier offset and noise reduction in a multistage system |
| 06/21/2011 | US7965138 Concept, method and apparatus of improved distortion switched-mode amplifier |
| 06/21/2011 | US7965137 Class-D amplifier |
| 06/16/2011 | WO2011072028A1 Low output impedance rf amplifier |
| 06/16/2011 | WO2011071950A2 Apparatus and method for implementing a differential drive amplifier and a coil arrangement |
| 06/16/2011 | WO2011071573A2 Amplifiers with depletion and enhancement mode thin film transistors and related methods |
| 06/16/2011 | WO2011070952A1 Transmission device |
| 06/16/2011 | WO2011070732A1 Transmission power control method and transmission power control device |
| 06/16/2011 | WO2011070731A1 Transmission power control method and transmission power control device |
| 06/16/2011 | WO2011069231A1 No load amplifier |
| 06/16/2011 | WO2011025048A8 Sensor device |
| 06/16/2011 | WO2010151889A3 Rf single-ended to differential converter |
| 06/16/2011 | US20110141092 Differential amplifier and control method for the same |
| 06/16/2011 | US20110140945 Gain circuit |
| 06/16/2011 | US20110140787 Method and system for amplifying a signal using a transformer matched transistor |
| 06/16/2011 | US20110140786 Doherty amplifier |
| 06/16/2011 | US20110140784 Amplifier Circuit |
| 06/16/2011 | US20110140783 Doherty amplifier with composed transfer characteristic having multiple peak amplifiers |
| 06/16/2011 | US20110140782 Differential Gm-Boosting Circuit and Applications |
| 06/16/2011 | US20110140775 Combined cell doherty power amplification apparatus and method |
| 06/16/2011 | US20110140774 One-sided switching pulse width modulation amplifiers |
| 06/16/2011 | US20110140772 Self-healing power amplifier: methods and apparatus |
| 06/15/2011 | EP2333951A1 Payload power amplifier for a multi-beam data-broadcasting satellite |
| 06/15/2011 | EP2333950A2 Digital power amplifier with I/Q combination |
| 06/15/2011 | EP2332262A2 Multi-mode configurable transmitter circuit |
| 06/15/2011 | EP2332251A1 Pulse-width modulation with selective pulse-eliminator |
| 06/15/2011 | EP2127071B1 Error correction system for a class-d power stage |
| 06/15/2011 | CN201869172U Recorder amplifier module |
| 06/15/2011 | CN201869171U Biasing circuit and power amplifying circuit |
| 06/15/2011 | CN201869170U Aural pre-amplifier circuit |
| 06/15/2011 | CN201869169U Radio frequency power amplification module and device |
| 06/15/2011 | CN201869168U UHF waveband multi-octave power amplifier |
| 06/15/2011 | CN201869167U Radio frequency power amplifying module and equipment |
| 06/15/2011 | CN1975410B Digital log amplifier for ultrasonic testing |
| 06/15/2011 | CN1949662B Amplifier arrangement for ultra-wideband applications, method and relevant device |
| 06/15/2011 | CN1894855B System and method for detection of amplitude limit and modification of signal |
| 06/15/2011 | CN1617440B Power amplification circuit |
| 06/15/2011 | CN102100002A Switching power amplifier for quantized signals |
| 06/15/2011 | CN102100001A Switching power amplifier and method of controlling the same |
| 06/15/2011 | CN102100000A Vswr compensation circuits for RF transmit chain |
| 06/15/2011 | CN102099999A Power amplifier, power amplifier nonlinear distortion correction method, and wireless communication device |
| 06/15/2011 | CN102098038A Signal conditioning card |
| 06/15/2011 | CN102098014A Complementary circularly-folded gain bootstrap transconductance operation amplifier with preamplifier |
| 06/15/2011 | CN102098013A Differential amplifier and control method for the same |
| 06/15/2011 | CN102098012A Detection and amplification device for micro current |
| 06/15/2011 | CN102098011A Circuit for rapidly controlling mute of audio power amplifier |
| 06/15/2011 | CN102098010A Multifunctional hydraulic servo power amplifier |
| 06/15/2011 | CN102098009A Output match circuit of radio frequency (RF) power amplifier and design method thereof |
| 06/15/2011 | CN102098008A Doherty amplifier with composed transfer characteristic having multiple peak amplifiers |
| 06/15/2011 | CN101667048B Reference circuit with self-detecting function |
| 06/15/2011 | CN101651449B Optical input preamplifier for optical communication receiver |
| 06/15/2011 | CN101577535B Device and method for sample rate conversion |
| 06/15/2011 | CN101562428B Signal modulation device and control method thereof |
| 06/14/2011 | USRE42448 Switched-mode power amplifier integrally performing power combining |
| 06/14/2011 | USRE42447 Chireix architecture using low impedance amplifiers |
| 06/14/2011 | US7962111 Distributed automatic gain control system |
| 06/14/2011 | US7962047 Preamplifier and optical receiving apparatus using the same |
| 06/14/2011 | US7961236 Circuit for processing a time-discrete analog signal and image sensor |
| 06/14/2011 | US7961053 Integrated circuit having a dummy transimpedance amplifier |
| 06/14/2011 | US7961052 RF power amplifier integrated circuit and unit cell |
| 06/14/2011 | US7961051 Enhanced low noise amplifier |
| 06/14/2011 | US7961050 Integrated circuits including an equalizer and operating methods thereof |
| 06/14/2011 | US7961049 Amplifier with compensated gate bias |
| 06/14/2011 | US7961048 Integrated power amplifiers for use in wireless communication devices |
| 06/14/2011 | US7961041 System and method for generating a reference voltage |
| 06/09/2011 | WO2011067934A1 Signal processing method, signal processing device, and information recording and reproduction device |
| 06/09/2011 | WO2011067776A1 Circuit for compensating gain variation over operating frequency and/or temperature range |
| 06/09/2011 | WO2011066861A1 Power amplifier circuit and front end circuit |
| 06/09/2011 | US20110133970 Multipath amplifier |
| 06/09/2011 | US20110133843 Power amplifier device |
| 06/09/2011 | US20110133842 Radio-frequency amplifier |