| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 04/29/2010 | US20100102883 Pwm signal generation circuit, class-d amplifier and method for driving the same |
| 04/29/2010 | US20100102882 Electric load driving circuit |
| 04/29/2010 | US20100102881 Sampling frequency reduction for switching amplifiers |
| 04/28/2010 | EP2180611A1 A method for transmission of data signals using a switched mode power amplifier, a switched mode power amplifier, a transmitting device, a receiving device, and a communication network therefor |
| 04/28/2010 | EP2180610A1 A method for transmission of signals, a switched mode power amplifier, a transmitting device, a receiving device, and a communication network therefor |
| 04/28/2010 | EP2180602A1 Method and equipment for controlling power amplification |
| 04/28/2010 | EP2180595A1 High output power amplifier, wireless transmitter, wireless transmitting and receiving device, and high output power amplifier mounting method |
| 04/28/2010 | EP2180594A1 Audio power amplifier |
| 04/28/2010 | EP2179505A1 Low power consumptive mixed mode power amplifier |
| 04/28/2010 | EP1771943B1 Single supply direct drive amplifier |
| 04/28/2010 | EP1600941B1 Dip filter frequency characteristic decision method |
| 04/28/2010 | EP1485995B1 Front stage amplifier with different modes |
| 04/28/2010 | EP1380101B1 A switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current |
| 04/28/2010 | CN1926759B Amplifier |
| 04/28/2010 | CN1902816B High-frequency amplifier |
| 04/28/2010 | CN1833358B Doherty amplifier with output mixing coupler |
| 04/28/2010 | CN1820412B Absorptive microwave single pole single throw switch |
| 04/28/2010 | CN1759533B Switchable gain amplifier |
| 04/28/2010 | CN1757156B Amplification device |
| 04/28/2010 | CN1714504B Travelling-wave amplifier and amplifying method |
| 04/28/2010 | CN1711679B Improved RF transistor amplifier linearity using suppressed third order transconductance |
| 04/28/2010 | CN1627741B Coherent averaging for measuring traveling wave tube amplifier nonlinearity |
| 04/28/2010 | CN1581682B 功率放大器 PA |
| 04/28/2010 | CN1496018B Radio communication device |
| 04/28/2010 | CN101699767A Feed circuit of radio frequency power amplifier |
| 04/28/2010 | CN101699766A Method for enhancing linearity and efficiency of radio-frequency power amplifier |
| 04/28/2010 | CN101699652A Symmetrical coupling wave-guided wave power synthesis amplifier |
| 04/27/2010 | US7706835 High-frequency circuit device |
| 04/27/2010 | US7706545 Systems and methods for protection of audio amplifier circuits |
| 04/27/2010 | US7706466 Lower complexity layered modulation signal processor |
| 04/27/2010 | US7705820 Liquid crystal display of line-on-glass type |
| 04/27/2010 | US7705684 Transistor and routing layout for a radio frequency integrated CMOS power amplifier device |
| 04/27/2010 | US7705683 Method and system for processing signals via an integrated low noise amplifier having configurable input signaling mode |
| 04/27/2010 | US7705682 Inductor sharing in radio frequency communications |
| 04/27/2010 | US7705681 Apparatus for coupling at least one of a plurality of amplified input signals to an output terminal using a directional coupler |
| 04/27/2010 | US7705679 Operational amplifier |
| 04/27/2010 | US7705678 Amplifier using impedance circuit for canceling cutoff |
| 04/27/2010 | US7705677 CMOS amplifiers with frequency compensating capacitors |
| 04/27/2010 | US7705676 Class D amplifier arrangement |
| 04/27/2010 | US7705675 Distributed multi-stage amplifier |
| 04/27/2010 | US7705674 Amplifier driver |
| 04/27/2010 | US7705672 Buck converters as power amplifier |
| 04/27/2010 | US7705671 Audio amplifier having an input stage with a supply-independent reference voltage |
| 04/27/2010 | US7705283 Photoelectric conversion device and manufacturing method thereof |
| 04/27/2010 | CA2429077C Reconfigurable broadband active power splitter, ditto power combiner and ditto bidirectional power splitter/power combiner and circuits based on these |
| 04/22/2010 | WO2010045215A1 Programmable gain amplifier and transconductance compensation system |
| 04/22/2010 | WO2010044346A1 Power amplifier |
| 04/22/2010 | WO2010044178A1 Current detector |
| 04/22/2010 | WO2010043993A1 Amplifier |
| 04/22/2010 | US20100098437 Optical receiver applicable to multiple transmission speed |
| 04/22/2010 | US20100098268 High-voltage output amplifier for audio systems |
| 04/22/2010 | US20100097148 Headphone Amplifier Circuit |
| 04/22/2010 | US20100097147 Gate bias circuit |
| 04/22/2010 | US20100097142 Driving circuit system and method of elevating slew rate of operational amplifier |
| 04/22/2010 | US20100097141 Current Mirror With Low Headroom And Linear Response |
| 04/22/2010 | US20100097140 amplification apparatus |
| 04/22/2010 | US20100097139 Error correction system for a class-d power stage |
| 04/22/2010 | US20100097136 A/d converter and a/d conversion method |
| 04/22/2010 | DE112008001481T5 Analoge Eingabevorrichtung Analog input device |
| 04/21/2010 | EP2178336A1 A method, device and base station system for base station compatible with high gain tower mounted amplifier |
| 04/21/2010 | EP2178309A2 Method and electronic device for driving a capacitance electro-acoustic transducer |
| 04/21/2010 | EP2178262A1 Offloaded processing for wireless applications |
| 04/21/2010 | EP2178208A2 Systems and methods to overcome DC offsets in amplifiers used to start resonant micro-electro mechanical systems |
| 04/21/2010 | EP2178205A1 Multi-dimensional volterra series transmitter linearization |
| 04/21/2010 | EP2178204A1 Minimum feedback radio architecture with digitally configurable adaptive linearization |
| 04/21/2010 | EP2178203A1 Active antenna element for mobile radio communications |
| 04/21/2010 | EP2178160A1 Antenna device on the top of the car and antenna amplifier thereof |
| 04/21/2010 | EP2178130A1 Driving device |
| 04/21/2010 | EP2022169B1 Mode selection amplifier circuit usable in a signal acquisition probe |
| 04/21/2010 | CN201440647U Class-D amplifier with double modulation module |
| 04/21/2010 | CN1993883B Amplifier circuit with automatic gain correction |
| 04/21/2010 | CN1864325B Transmission device, transmission output control method, and radio communication device |
| 04/21/2010 | CN101697479A Adjustable grain low noise amplifier |
| 04/21/2010 | CN101697478A Full-difference E-type power amplifier |
| 04/21/2010 | CN101697477A System, method and power amplifier circuit for regulating linearity of output signal of power amplifier circuit |
| 04/21/2010 | CN101247110B Push-pull power amplifier without matching amplifier tube |
| 04/21/2010 | CN101188403B Audio amplification device with adjustable power consumption |
| 04/21/2010 | CN101023578B Distortion compensating amplifier apparatus |
| 04/20/2010 | US7702119 Multi-input gain control circuit |
| 04/20/2010 | US7701307 System and method of changing a PWM power spectrum |
| 04/20/2010 | US7701296 Semiconductor device |
| 04/20/2010 | US7701294 Apparatus and method for negative boost audio amplifier |
| 04/20/2010 | US7701293 Amplifier symmetric supply regulation |
| 04/20/2010 | US7701291 Gain improved operational transconductance amplifier and control method thereof |
| 04/20/2010 | US7701290 Amplifier gain control circuit for the wireless transceiver |
| 04/20/2010 | US7701289 Variable gain amplifier including series-coupled cascode amplifiers |
| 04/20/2010 | US7701288 Variable gain amplifiers |
| 04/20/2010 | US7701287 Voltage detection type overcurrent protection device for class-D amplifier |
| 04/20/2010 | US7701284 Line driver capable of automatically adjusting output impedance |
| 04/20/2010 | US7701283 Power amplifier with noise shaping |
| 04/20/2010 | US7701257 Data receiver and semiconductor device including the data receiver |
| 04/20/2010 | US7701256 Signal conditioning circuit, a comparator including such a conditioning circuit and a successive approximation converter including such a circuit |
| 04/20/2010 | US7701009 Source follower circuit or bootstrap circuit, driver circuit comprising such circuit, and display device comprising such driver circuit |
| 04/15/2010 | WO2010042345A1 Self configuring output stages of precision amplifiers |
| 04/15/2010 | WO2010041181A1 Switching mode out-phasing amplifier |
| 04/15/2010 | WO2010040692A1 Pulse-width modulation with selective pulse-eliminator |
| 04/15/2010 | WO2010014984A3 Multi-mode configurable transmitter circuit |
| 04/15/2010 | US20100091167 Solid-state image sensor and camera system |
| 04/15/2010 | US20100090767 Rf amplification device |
| 04/15/2010 | US20100090766 Self configuring output stages of precision amplifiers |