| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 08/05/2010 | WO2010088110A2 Amplification system for interference suppression in wireless communications |
| 08/05/2010 | WO2010054100A3 Radio frequency amplification circuit utilizing variable voltage generator |
| 08/05/2010 | US20100196017 Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving system |
| 08/05/2010 | US20100194475 Amplifying circuit with bypass circuit, and electronic device using the same |
| 08/05/2010 | US20100194474 Predistorter and Distortion Compensation Method |
| 08/05/2010 | US20100193798 Source follower circuit or bootstrap circuit, driver circuit comprising such circuit, and display device comprising such driver circuit |
| 08/05/2010 | DE102009006332A1 Line driver or amplifier for e.g. digital subscriber line modem, has multiplier multiplying feedback signal with factor signal derived either from input signal or from preliminary stage such that output signal is created or simulated |
| 08/04/2010 | EP2214333A1 Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving system |
| 08/04/2010 | EP2214307A1 Power amplifying circuit, and transmitter and wireless communication device using the same |
| 08/04/2010 | EP2214306A1 Low noise amplifier network for wideband signal amplification |
| 08/04/2010 | EP2214305A1 Digitally controlled SMALA |
| 08/04/2010 | EP2214304A1 Switch mode assisted linear amplifier for baseband signal amplification |
| 08/04/2010 | EP2212992A1 Improved amplifying device |
| 08/04/2010 | EP2067253B1 Amplifier architecture for polar modulation |
| 08/04/2010 | CN201541242U Operational amplifier circuit for processing photoelectric signal |
| 08/04/2010 | CN201541238U Preamplifier of magnetic resonance imaging MRI system capable of reducing low-frequency noise |
| 08/04/2010 | CN201541237U Integrated common-mode noise filter |
| 08/04/2010 | CN201541236U Modular circuit of compensated neutron prime amplification circuit |
| 08/04/2010 | CN201540363U 1H/19F channel preamplifier of high-field nuclear magnetic resonance spectrometer |
| 08/04/2010 | CN101796720A Input circuitry for transistor power amplifier and method for designing such circuitry |
| 08/04/2010 | CN101795120A Multiband matching circuit and multiband power amplifier |
| 08/04/2010 | CN101795115A Multiband matching circuit and multiband power amplifier |
| 08/04/2010 | CN101795114A Radio frequency (RF) preamplifier system of wireless terminal |
| 08/04/2010 | CN101795113A Amplifier circuit with first and second output lines |
| 08/04/2010 | CN101795112A Constant gm circuit and methods for providing the same |
| 08/04/2010 | CN101795111A Operational amplifier circuit |
| 08/04/2010 | CN101794561A AMP output protective circuit for LCD panel source driver and method thereof |
| 08/04/2010 | CN101793949A X-nuclear channel broadband pre-amplifier of high-field nuclear magnetic resonance spectrometer |
| 08/03/2010 | US7769431 Methods, systems, and associated implantable devices for detecting radiation in patients undergoing treatment for cancer |
| 08/03/2010 | US7768345 Amplifier |
| 07/29/2010 | WO2010084633A1 Transimpedance amplifier |
| 07/29/2010 | WO2010084544A1 High frequency amplifier, wireless device and control method |
| 07/29/2010 | US20100188149 Lock-in Amplifier and Method for Filtering a Measurement Signal Using Such an Amplifier |
| 07/29/2010 | US20100188148 Predistortion mechanism for compensation of transistor size mismatch in a digital power amplifier |
| 07/29/2010 | US20100188145 System and method for controlling radio frequency transmissions from an electronic device |
| 07/29/2010 | CA2750278A1 Trans-impedance amplifier |
| 07/28/2010 | EP2211461A1 Power amplifier circuit, and transmitter and wireless communication device using the same |
| 07/28/2010 | EP2211460A1 Amplifier circuitry |
| 07/28/2010 | EP2211458A1 Charge amplifier with DC feedback sampling |
| 07/28/2010 | EP2210339A1 Configurable feedback for an amplifier |
| 07/28/2010 | EP1985014B1 Pwm feedback/feed-forward protection |
| 07/28/2010 | CN201536352U Ka波段Gunn二极管连续波注入锁定放大器 Ka-band continuous wave injection locked Gunn diode amplifier |
| 07/28/2010 | CN201536351U K波段超低温低噪声放大器 K-band cryogenic low noise amplifier |
| 07/28/2010 | CN201536350U 低噪声宽带前置放大器 Broadband Low Noise Preamplifier |
| 07/28/2010 | CN101789765A Low power consumption high efficiency operational amplifier circuit and operating method thereof |
| 07/28/2010 | CN101789764A Radio frequency power amplifier |
| 07/28/2010 | CN101789762A Configurable current sink in tower top amplifier |
| 07/28/2010 | CN101789761A Capacitance negative feedback type low noise amplifier |
| 07/28/2010 | CN101789760A Narrow-band low-noise amplifier adopting parallel feedback type structure |
| 07/28/2010 | CN101282110B Low-power consumption single-ended input difference output low-noise amplifier |
| 07/27/2010 | US7765089 Blind signal separation |
| 07/27/2010 | US7764480 Electronic device, and circuit and method for protecting the same |
| 07/27/2010 | US7764119 Voltage control circuit |
| 07/27/2010 | US7764118 Auto-correction feedback loop for offset and ripple suppression in a chopper-stabilized amplifier |
| 07/22/2010 | WO2010083177A1 Transmitter with reduced spectral regrowth and associated methods |
| 07/22/2010 | WO2010082949A1 Ultra low noise high linearity lna for multi-mode transceiver |
| 07/22/2010 | WO2010082235A1 Variable gain amplifier and high-frequency signal receiving apparatus comprising the same |
| 07/22/2010 | WO2010058310A3 Decomposer and amplifier |
| 07/22/2010 | WO2009045686A3 Inverted doherty amplifier with increased off-state impedence |
| 07/22/2010 | US20100182091 Method and apparatus to linearize transconductors by predistortion |
| 07/22/2010 | US20100182081 Feedforward distortion compensation amplifier |
| 07/22/2010 | DE102009005120A1 Electronic cascode circuit for electronic cascode circuit assembly, has two transistors and capacitor, where connection of capacitor is coupled with control terminal of latter transistor |
| 07/21/2010 | EP2209207A2 Semiconductor integrated circuit and video signal output circuit |
| 07/21/2010 | EP1609239B1 High efficiency amplifier and method of designing same |
| 07/21/2010 | EP1402700B1 Adaptive predistorter based on the probability distribution function of the output amplitude |
| 07/21/2010 | EP1127407B1 An amplifier for use in a mobile phone |
| 07/21/2010 | CN201533287U Single-ended output D-type amplifier with dual-modulation module |
| 07/21/2010 | CN201533285U Ldmos protection circuit |
| 07/21/2010 | CN101785178A Circuitry and method for reducing second and third-order nonlinearities |
| 07/21/2010 | CN101785177A Integrated doherty amplifier |
| 07/21/2010 | CN101785110A RF power transistor packages with internal harmonic frequency reduction and methods of forming RF power transistor packages with internal harmonic frequency reduction |
| 07/21/2010 | CN101783870A Semiconductor integrated circuit and video signal output circuit |
| 07/21/2010 | CN101783654A High-gain broadband radio-frequency low noise amplifier |
| 07/21/2010 | CN101783653A Method and system for variable-gain amplifier |
| 07/21/2010 | CN101783652A Easy realized multi-stage Doherty power amplifier |
| 07/20/2010 | US7761349 Grain aeration systems and techniques |
| 07/20/2010 | US7760025 Multi-primary distributed active transformer amplifier power supply and control |
| 07/20/2010 | US7760017 Integrated circuit having on die structure providing capacitance in amplifier feedback path |
| 07/20/2010 | US7760016 Anti-pop circuits and methods for audio amplifiers using variable resistors |
| 07/20/2010 | US7760015 Combination offset voltage and bias current auto-zero circuit |
| 07/15/2010 | WO2010079644A1 Multi-port amplifier and wireless device using same |
| 07/15/2010 | US20100176879 Method And Device For Performing Offset Cancellation In An Amplifier Using Floating-Gate Transistors |
| 07/15/2010 | US20100176878 Capacitively and conductively coupled multiplexer |
| 07/15/2010 | DE102009000126A1 Transmission-gate for integrator of pressure sensor to measure pressure in combustion chamber of combustion engine, has n-type and p-type metal oxide semiconductor transistors attached with voltage sources for providing supply voltages |
| 07/14/2010 | EP2207261A1 Audio device, AV system having the audio device, and method to control the audio device |
| 07/14/2010 | EP1719250B1 Load insensitive power amplifier |
| 07/14/2010 | EP1428313B1 A system and method for minimizing dissipation in rf power amplifiers |
| 07/14/2010 | CN201528418U Closed loop localization servo sound system for loudspeaker vibration systems |
| 07/14/2010 | CN201528315U Digital self-adaptive circuit for improving linearization of power amplifier |
| 07/14/2010 | CN101779372A High-swing operational amplifier output stage using adaptive biasing |
| 07/14/2010 | CN101777876A Logarithmic amplifier |
| 07/14/2010 | CN101777875A Rectangular coordinate system-based adaptive nonlinear compensating device |
| 07/14/2010 | CN101304240B Voltage limiting apparatus as well as operation amplifier applying the same and circuit design method thereof |
| 07/14/2010 | CN101189792B Distortion compensator |
| 07/13/2010 | US7756684 Enhanced flexible process optimizer |
| 07/13/2010 | US7756568 Methods, systems, and associated implantable devices for dynamic monitoring of physiological and biological properties of tumors |
| 07/13/2010 | US7756279 Microphone preamplifier |
| 07/13/2010 | US7755432 Short circuit protection circuits and methods |
| 07/13/2010 | US7755425 Method and apparatus for reducing frequency memory effects in RF power amplifiers |
| 07/13/2010 | US7755424 Operational amplifier with resistance switch crossbar feedback |