| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/28/2011 | US20110181363 Electronic circuit |
| 07/28/2011 | US20110181360 Stacked linear power amplifier with capacitor feedback and resistor isolation |
| 07/28/2011 | US20110181359 Apparatus and method for providing linear transconductance amplification |
| 07/28/2011 | US20110181358 Differential amplifier circuit, operational amplifier including difference amplifier circuit, and voltage regulator circuit |
| 07/28/2011 | US20110181357 Gain control amplifier |
| 07/28/2011 | US20110181356 Switching device of digital amplifier and method for driving the same |
| 07/28/2011 | US20110181353 Two-channel operational amplifier circuit |
| 07/28/2011 | US20110181271 Peaking circuit, peaking circuit control method, waveform measurement apparatus, and information processing apparatus |
| 07/28/2011 | US20110180692 Optical receiver circuit |
| 07/28/2011 | DE10231638B4 Integrierte Schaltungsanordnung An integrated circuit device |
| 07/28/2011 | DE10228058B4 Hochfrequenzmodul RF module |
| 07/28/2011 | DE102009042610B4 Schaltungsanordnung zum Ansteuern eines Wellenleiters Circuitry for driving a waveguide |
| 07/28/2011 | DE102008034456B4 Gleichstromgekoppelter kaskadierter Transistorverstärker für hohe Ausgangsspannungen DC-coupled cascaded transistor amplifier for high output voltages |
| 07/28/2011 | DE102005051778B4 Analoger Signalverarbeitungsblock Analog signal processing block |
| 07/27/2011 | EP2348632A1 Phase shifting amplifier |
| 07/27/2011 | EP2141798B1 Amplifier apparatus |
| 07/27/2011 | EP1444777B1 A power amplifier module with distortion compensation |
| 07/27/2011 | CN201910771U Signal amplification circuit |
| 07/27/2011 | CN201910770U Conduction changing type synchronous bias voltage power amplifier |
| 07/27/2011 | CN201910769U Temperature compensation device |
| 07/27/2011 | CN201910575U Dual-channel laser turned circuit |
| 07/27/2011 | CN201910574U Double-channel laser tuning circuit |
| 07/27/2011 | CN201910573U Single-channel laser tuning control circuit |
| 07/27/2011 | CN102138281A Hybrid class amplifier |
| 07/27/2011 | CN102136827A Differential amplifier capable of compensating input offset voltage and compensating method |
| 07/27/2011 | CN101697478B Full-difference E-type power amplifier |
| 07/27/2011 | CN101483410B Signal amplifying apparatus |
| 07/27/2011 | CN101438493B Multiplier-transimpedance amplifier combination with input common mode feedback |
| 07/27/2011 | CN101194431B By-pass arrangement of a low noise amplifier |
| 07/26/2011 | US7986189 Amplifier with feedback |
| 07/26/2011 | US7986187 Versatile audio power amplifier |
| 07/26/2011 | US7986186 Adaptive bias technique for field effect transistor |
| 07/26/2011 | US7986183 Amplifying circuit and amplifying method |
| 07/26/2011 | CA2494264C Switched capacitor system, method, and use |
| 07/21/2011 | WO2011086752A1 Amplifying device and signal processing device |
| 07/21/2011 | WO2011086640A1 Transmitter apparatus, wireless communication apparatus and transmission method |
| 07/21/2011 | WO2011086617A1 Amplifier with high-frequency noise removal function, microphone module and sensor module |
| 07/21/2011 | US20110178768 System and Method of Adjusting a Resistance-Based Memory Circuit Parameter |
| 07/21/2011 | US20110175685 Multi-primary distributed active transformer amplifier power supply and control |
| 07/21/2011 | US20110175681 Radio frequency power amplifier and wireless communication device including the same |
| 07/21/2011 | US20110175680 Wireless communication device and semiconductor package device having a power amplifier therefor |
| 07/21/2011 | US20110175679 Network for controlling the power supply to a system of active elements |
| 07/21/2011 | US20110175660 Semiconductor device, data transmission system and method of controlling semiconductor device |
| 07/21/2011 | DE112008003994T5 Abstimmbarer Nanodraht-Hohlraumresonator zur optischen Modulation The tunable cavity resonator nanowire for optical modulation |
| 07/21/2011 | DE10345691B4 Integrierte Schaltung und Verfahren zum Konstanthalten der Transkonduktanz Integrated circuit and method for keeping constant the transconductance |
| 07/20/2011 | EP2346164A2 Amplification apparatus |
| 07/20/2011 | EP2346162A1 Method and device for compensating amplification variations in an amplifier circuit |
| 07/20/2011 | EP2346161A1 Receiving circuit |
| 07/20/2011 | CN201904764U 1.3GHz 350W solid-state power amplifier |
| 07/20/2011 | CN201904763U Full-solid high-power high-frequency power amplifier |
| 07/20/2011 | CN201904762U Exchange guide type Hi-Fi (high fidelity) power amplifier |
| 07/20/2011 | CN1747367B Received signal strength measurement circuit, received signal strength detection circuit and wireless receiver |
| 07/20/2011 | CN102132190A Tunable nanowire resonant cavity for optical modulation |
| 07/20/2011 | CN102130660A Low noise binary-coded gain amplifier and method for time-gain compensation in medical ultrasound imaging |
| 07/20/2011 | CN102130659A Circuit structure for reducing input offset voltage of two-stage operational amplifier |
| 07/20/2011 | CN102130658A Feedback biasing for cascode amplifiers |
| 07/20/2011 | CN102130657A Power amplifier, asymmetric Doherty power amplifier equipment and base station |
| 07/20/2011 | CN101510762B Low power supply voltage whole-differential rail-to-rail amplifying circuit |
| 07/20/2011 | CN101471632B Self-bias low-voltage operation transconductance amplifier circuit with controllable loop gain |
| 07/20/2011 | CN101383593B Pre-amplifier for a receiver and a method therefor |
| 07/20/2011 | CN101345513B Switching audio power amplifier with de-noise function |
| 07/20/2011 | CN101299614B Handhold equipment for prolonging working time and implementing method |
| 07/19/2011 | US7983636 Amplifier control device |
| 07/19/2011 | US7983365 Automatically setting an operative state of a wideband amplifier |
| 07/19/2011 | US7983089 Sense amplifier with capacitance-coupled differential sense amplifier |
| 07/19/2011 | US7982544 Method and system for amplifying a signal using a transformer matched transistor |
| 07/19/2011 | US7982543 Switchable power amplifier |
| 07/19/2011 | US7982538 Differential output circuit and communication device |
| 07/19/2011 | US7982537 Operational amplifier |
| 07/19/2011 | US7982536 Single ended class-D amplifier with dual feedback loop scheme |
| 07/14/2011 | WO2011084924A1 An amplifier circuit with step gain |
| 07/14/2011 | WO2011084592A2 Amplifier circuit |
| 07/14/2011 | WO2011084399A1 Fast class ab output stage |
| 07/14/2011 | WO2011084384A2 Amplifier with improved input resistance and controlled common mode |
| 07/14/2011 | WO2011083758A1 Amplifying device |
| 07/14/2011 | WO2011063095A4 Analog bias control for packet communication systems |
| 07/14/2011 | US20110169808 Amplifier including dithering switch and display driving circuit using the amplifier |
| 07/14/2011 | US20110169576 High frequency amplifier |
| 07/14/2011 | US20110169575 Amplifier circuit and integrated circuit therefor |
| 07/14/2011 | US20110169574 Equalization system with stabilized peaking gain for a communication system |
| 07/14/2011 | US20110169573 Amplifier circuit with step gain |
| 07/14/2011 | US20110169571 Re-configurable amplifier |
| 07/14/2011 | US20110169570 Amplifier |
| 07/14/2011 | US20110169569 Device and method for eliminating feedback common mode signals |
| 07/14/2011 | US20110169568 Operational amplifier |
| 07/14/2011 | US20110169567 Constant transconductance operational amplifier and method for operation |
| 07/14/2011 | US20110169565 Receiving circuit |
| 07/14/2011 | US20110168907 X-Ray Detecting Device and Operating Method Thereof |
| 07/14/2011 | DE102009055889A1 Signal processing circuit for creation of speaker signal in mobile radio terminal, has adaptation block using new coefficients in set of coefficients so that resulting transfer functions of filters are provided inverse to each other |
| 07/13/2011 | EP2342820A1 Self auto-calibration of analog circuits in a mixed signal integrated circuit device |
| 07/13/2011 | EP2342819A1 Cascode amplifier with increased linearity |
| 07/13/2011 | EP2342818A1 A system and a method for generating an error voltage |
| 07/13/2011 | EP2342817A1 Enhanced doherty amplifier with bias supply modulation |
| 07/13/2011 | EP2342796A2 Transmitters for wireless power transmission |
| 07/13/2011 | EP2342779A1 Rf power amplifier system with impedance modulation |
| 07/13/2011 | EP1977516B1 Low noise amplifier |
| 07/13/2011 | CN201898484U Output matching circuit of radio-frequency power amplifier |
| 07/13/2011 | CN201898480U Nonlinearity compensated amplifier used for magnetic particle brake clutch |
| 07/13/2011 | CN1677848B Radio frequency circuit device and mobile communication terminal using the same |
| 07/13/2011 | CN102124647A Method and apparatus for power converter for class D audio power amplifiers |