| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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| 01/26/2011 | CN101960715A System and method of reducing power consumption for audio playback |
| 01/26/2011 | CN101960404A System and method of using residual voltage from a prior operation to establish a bias voltage for a subsequent operation |
| 01/26/2011 | CN101958688A Amplifiers with power-on trim and methods |
| 01/26/2011 | CN101394151B Automatic gain compensation and linear control method and device for power amplifier |
| 01/26/2011 | CN101326692B 光发送电路 Optical transmission circuit |
| 01/26/2011 | CN101316095B Gain-controllable wide-band low-noise amplifier |
| 01/25/2011 | US7876161 Amplifier circuit having first amplifying section and second amplifying section |
| 01/25/2011 | US7876152 High-impedance level-shifting amplifier capable of handling input signals with a voltage magnitude that exceeds a supply voltage |
| 01/25/2011 | CA2458877C An adaptive linearization technique for communication building block |
| 01/20/2011 | WO2011007556A1 Polar modulator |
| 01/20/2011 | WO2011007529A1 High-frequency power amplifier |
| 01/20/2011 | WO2011007499A1 Polar modulating transmitter and communication device using same |
| 01/20/2011 | WO2011007496A1 Transmission circuit |
| 01/20/2011 | WO2011006549A1 Amplifier stage |
| 01/20/2011 | WO2010120767A3 Active feed forward amplifier |
| 01/20/2011 | US20110012682 Electronic circuit with cascode amplifier |
| 01/20/2011 | DE202009018063U1 Schaltungsanordnung zur Vergrößerung der Bandbreite von Verstärkern Circuit arrangement for increasing the bandwidth of amplifiers |
| 01/19/2011 | EP2276170A2 High reliability RF generator architecture |
| 01/19/2011 | EP2276169A2 High reliability RF generator architecture |
| 01/19/2011 | EP2276168A2 Power amplifier integrated circuit with compensation mechanism for temperature and output power |
| 01/19/2011 | EP2274829A1 Efficient linear linc power amplifier |
| 01/19/2011 | EP2274828A1 System and method of enabling a signal processing device in a relatively fast manner to process a low duty cycle signal |
| 01/19/2011 | EP2274659A1 System and method of using residual voltage from a prior operation to establish a bias voltage for a subsequent operation |
| 01/19/2011 | EP1900101B1 Switched capacitor system with and method for output glitch reduction |
| 01/19/2011 | EP1756945B1 Current-mode instrumentation amplifier gain error correction circuitry |
| 01/19/2011 | CN201717849U Multi-power mode radio-frequency emission front-end module and mobile terminal comprising same |
| 01/19/2011 | CN201717831U Radiofrequency matcher |
| 01/19/2011 | CN1985438B Plop noise avoiding method and apparatus for an amplifier |
| 01/19/2011 | CN101953066A Electronic device for microwave apparatuses onboard a satellite |
| 01/19/2011 | CN101951234A Amplifier, method for improving common mode feedback loop phase margin thereof and radio-frequency receiving chip |
| 01/19/2011 | CN101951230A Broadband low noise amplifier |
| 01/19/2011 | CN101951229A Multi-gain mode low-noise amplifier |
| 01/19/2011 | CN101951228A Non-inductive low noise amplifier |
| 01/19/2011 | CN101951227A Amplifier circuit |
| 01/19/2011 | CN101951226A Silicon germanide bipolar-complementary metal oxide semiconductor AB power amplifier |
| 01/19/2011 | CN101951003A Charging management device |
| 01/19/2011 | CN101262457B A time division duplex linear power amplification module with digital pre-distortion technology |
| 01/18/2011 | US7873331 Systems, methods, and apparatuses for multi-path orthogonal recursive predistortion |
| 01/18/2011 | US7872529 Switch method for switching class amplifiers |
| 01/18/2011 | US7872528 Providing pre-distortion to an input signal |
| 01/18/2011 | US7872524 Amplification circuit, amplification circuit noise reducing method and program thereof |
| 01/17/2011 | CA2710048A1 High efficiency microwave amplifier |
| 01/13/2011 | WO2011006016A1 Spur cancellation in a digital baseband transmit signal using cancelling tones |
| 01/13/2011 | WO2011004557A1 Polar modulation transmission circuit and polar modulation transmission method |
| 01/13/2011 | WO2011004553A1 Polar modulator |
| 01/13/2011 | WO2011004356A2 A system and a method for signal processing |
| 01/13/2011 | WO2011003929A1 Dual-performance low noise amplifier for satellite-based radiofrequency communication |
| 01/13/2011 | WO2011003691A1 The double integral method of powering up or down a speaker |
| 01/13/2011 | WO2010120762A3 Preselector amplifier |
| 01/13/2011 | WO2010120594A3 High-linearity low noise amplifier |
| 01/13/2011 | WO2010108039A8 Cascode amplifier with protection circuitry |
| 01/13/2011 | WO2010099448A3 Logic based on the evolution of nonlinear dynamical systems |
| 01/13/2011 | WO2010099442A3 Reconfigurable and reliable logic circuit elements that exploit nonlinearity and noise |
| 01/13/2011 | US20110007909 Class h amplifier |
| 01/13/2011 | US20110006842 System and a method for signal processing |
| 01/12/2011 | EP2273672A1 Low distortion amplifier and doherty amplifier using low distortion amplifier |
| 01/12/2011 | CN201708767U Circuit for controlling the positive amplification coefficient of triode |
| 01/12/2011 | CN101944885A Alternating current coupling-based linear amplifying circuit |
| 01/12/2011 | CN101944884A Automatic compensating device and method for grid voltage of power amplification module |
| 01/12/2011 | CN101944883A Low-noise amplifier |
| 01/11/2011 | US7868698 Power amplifier with stabilising network |
| 01/11/2011 | US7868697 Converting circuit for converting differential signal to single-ended signal |
| 01/11/2011 | US7868694 Variable resistor array and amplifier circuit |
| 01/11/2011 | US7868692 Low noise and common mode current power supply |
| 01/11/2011 | US7868691 Commutating amplifier with wide dynamic range |
| 01/06/2011 | WO2011002099A1 Power consumption control circuit, amplifying circuit, and power consumption control method |
| 01/06/2011 | WO2011001591A1 Class d amplification device |
| 01/06/2011 | WO2011001590A1 Transmission circuit |
| 01/06/2011 | WO2011001577A1 Transmitter provided with polar modulation circuit |
| 01/06/2011 | WO2011001576A1 Transmitting circuit and communication apparatus |
| 01/06/2011 | WO2011001575A1 Transmitting circuit and communication apparatus |
| 01/06/2011 | WO2011000882A1 Generator of a modulated radiofrequency signal, method for calibrating the generator, and magnetic resonance imaging system |
| 01/06/2011 | WO2010115701A3 A radio system and a method for relaying radio signals |
| 01/06/2011 | US20110002428 Apparatus and method for reducing third-order intermodulation distortion |
| 01/06/2011 | US20110001565 High-speed, multi-stage class ab amplifiers |
| 01/06/2011 | US20110001541 Power amplification device and communication device |
| 01/06/2011 | US20110001497 Floating front-end amplifier and one-wire measuring devices |
| 01/05/2011 | EP2270984A1 Improved radio frequency digital-to analog converter |
| 01/05/2011 | EP2270976A1 Optimising operating temperature in a power amplifier |
| 01/05/2011 | EP2270975A2 Transmission device, distortion compensation device, and distortion compensation method |
| 01/05/2011 | EP2269302A1 Method and control circuit for controlling pulse width modulation |
| 01/05/2011 | EP2269301A2 System and method of reducing power consumption for audio playback |
| 01/05/2011 | EP1756690B1 Precision chopper-stabilized current mirror |
| 01/05/2011 | EP1716635B1 Power amplifier pre-distorter training |
| 01/05/2011 | CN201699655U Power amplifying device and equipment of UHF digital television transmitter |
| 01/05/2011 | CN201698751U Blue-ray DVD and digital power amplifier combinational circuit |
| 01/05/2011 | CN101939960A A method for compensating signal distortion in an emitting payload |
| 01/05/2011 | CN101939909A Class D power amplifier |
| 01/05/2011 | CN101939908A Multi-mode high efficiency linear power amplifier |
| 01/05/2011 | CN101939907A Multi-linearity mode lna having a deboost current path |
| 01/05/2011 | CN101939900A Envelope tracking power supply circuit and high-frequency amplifier including the same |
| 01/05/2011 | CN101938255A Low-power consumption true logarithmic amplifier |
| 01/04/2011 | US7865338 Suppression of vibrations |
| 01/04/2011 | US7863985 High frequency amplifier linearization technique |
| 01/04/2011 | US7863983 Smart linearized power amplifier and related systems and methods |
| 01/04/2011 | US7863980 Amplifiers with negative capacitance circuits |
| 01/04/2011 | US7863978 RF amplifier system for neutralizing internal capacitance in a cavity |
| 01/04/2011 | US7863976 Adjustable segmented power amplifier |
| 12/30/2010 | US20100327971 Transmission device, distortion compensation device, and distortion compensation method |
| 12/30/2010 | US20100327968 Optimising operating temperature in a power amplifier |