| 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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| 11/21/2013 | US20130307616 Snubber for a direct current (dc)-dc converter |
| 11/20/2013 | EP2665181A1 Amplifier circuit |
| 11/20/2013 | EP2664060A1 Systems and methods for a radio frequency transmitter with improved linearity and power out utilizing pre-distortion and a gan (gallium nitride) power amplifier device |
| 11/20/2013 | EP2388912B1 Power control of reconfigurable outphasing Chireix amplifiers and methods |
| 11/20/2013 | EP2244378B1 Amplifying circuit, AC signal amplifying circuit and input bias adjusting method |
| 11/20/2013 | EP2244377B1 Amplifying circuit and amplifying method |
| 11/20/2013 | EP2230759B1 Amplifying device and transmitter apparatus |
| 11/20/2013 | EP2145386B1 Multiport amplifiers in communications satellites |
| 11/20/2013 | CN203301426U Simulated predistortion circuit |
| 11/20/2013 | CN203301425U Operational amplifier bias circuit |
| 11/20/2013 | CN203301424U Noise-reducing type audio signal amplifying circuit |
| 11/20/2013 | CN203301423U Bio-electricity signal amplifier |
| 11/20/2013 | CN103404025A Amplifier module |
| 11/20/2013 | CN103401516A Radio frequency protector |
| 11/20/2013 | CN103401515A Feedforward power amplifier for self-adaptive frequency compensation |
| 11/20/2013 | CN103401514A Low-noise amplifier |
| 11/20/2013 | CN103401513A Digital pre-distortion processing method and device for power amplifier |
| 11/20/2013 | CN103401512A Dual-loop structural simulation predistorter of BUC module |
| 11/20/2013 | CN103401511A Power amplifier pre-distortion method used for real-time system |
| 11/20/2013 | CN103401510A Power amplifier with hot plugging function |
| 11/20/2013 | CN103401509A Multichannel low noise amplifier |
| 11/19/2013 | US8589589 Method and system for creating an overlay structure for management information bases |
| 11/19/2013 | US8588711 Transmission apparatus and distortion compensation method |
| 11/19/2013 | US8588331 Transmitter system for transmitting parallel data by compensating for crosstalk |
| 11/19/2013 | US8587379 Power amplifier with stabilising network |
| 11/19/2013 | US8587378 Analog pre-distortion linearizer |
| 11/19/2013 | US8587374 Amplifier activation |
| 11/19/2013 | US8587373 Power amplifier |
| 11/14/2013 | WO2013168598A1 Power source device for high-frequency electric power amplifying circuit, and high-frequency electric power amplifying device |
| 11/14/2013 | WO2013142529A3 Reconfigurable input power distribution doherty amplifier with improved efficiency |
| 11/14/2013 | US20130300513 High Efficiency Amplification |
| 11/14/2013 | DE112012000739T5 Rücksetzkreise und rücksetzbare Schaltkreise Reset circuits and resettable circuit |
| 11/13/2013 | EP2662979A1 High-linearity low-noise receiver with load switching |
| 11/13/2013 | CN203289385U Filtering sound signal amplifier |
| 11/13/2013 | CN203289383U Low-temperature and low-noise amplifier |
| 11/13/2013 | CN203289382U Miniaturization ultra-wideband power amplifier |
| 11/13/2013 | CN103391058A Miniature solid-state power amplification device applied to deep-space exploration |
| 11/13/2013 | CN103391057A Reverse F-type power amplifier and emitter as well as processing method |
| 11/13/2013 | CN103391055A DPD MCPA (Digital Pre-Distortion Multi-Carrier Power Amplifier) electrification protective method and device, and DPD MCPA device |
| 11/13/2013 | CN103391054A Ultra wideband high-gain low-noise amplifier |
| 11/13/2013 | CN103391053A Linearization predistortion method based on Volterra series |
| 11/13/2013 | CN103391052A Method for designing S-band high-power power amplifier assembly |
| 11/13/2013 | CN103391051A Microstrip line matching low noise amplifier |
| 11/13/2013 | CN103391050A CMOS (Complementary Metal Oxide Semiconductor) low noise amplifying device |
| 11/13/2013 | CN103391049A Variable-gain low noise amplifier |
| 11/13/2013 | CN103391048A Self-adaptive linear biasing circuit structure |
| 11/13/2013 | CN102201790B Coupling blocking method and operational amplifier |
| 11/13/2013 | CN102160281B Predistortion linearizer with bridge topology having an equalizer stage for each bridge arm |
| 11/07/2013 | WO2013166238A1 Compensation technique for feedback amplifiers |
| 11/07/2013 | WO2013165653A1 Split capacitors scheme for suppressing overshoot voltage glitches in class d amplifier output stage |
| 11/07/2013 | WO2013129431A4 Amplifier and wireless communication unit |
| 11/07/2013 | WO2013095263A3 Selective power amplifier |
| 11/07/2013 | US20130293311 High frequency power amplifier |
| 11/07/2013 | US20130293306 Comparator with Self-Limiting Positive Feedback |
| 11/07/2013 | US20130293293 Compensation technique for feedback amplifiers |
| 11/07/2013 | DE102009003892B4 Systeme und Verfahren für Kaskoden-Schaltleistungsverstärker Systems and methods for cascode switch mode power amplifier |
| 11/06/2013 | EP2660973A1 Doherty amplifier |
| 11/06/2013 | CN203278758U Collected signal preceding stage processor of air conditioning control subsystem in transformer substation |
| 11/06/2013 | CN203278752U Dynamic amplitude limiting protector of audio power amplifier |
| 11/06/2013 | CN203278751U Amplifier output amplitude limiting circuit |
| 11/06/2013 | CN203278750U Ultracrystalline power synthesizing circuit |
| 11/06/2013 | CN203278749U Low noise amplifier with automatic level control circuit |
| 11/06/2013 | CN103384143A Amplification circuit comprising input signal limiting network |
| 11/06/2013 | CN103384142A Predistortion device |
| 11/06/2013 | CN102215028B Amplifier |
| 11/06/2013 | CN102195578B Output buffer circuit and method capable of inhibiting voltage overshoot |
| 11/06/2013 | CN102163955B Low-noise amplifier adopting single-ended input and differential output |
| 11/06/2013 | CN102136827B Differential amplifier capable of compensating input offset voltage and compensating method |
| 11/06/2013 | CN102064774B Implementation method of power amplifying circuit and power amplifying device |
| 11/06/2013 | CN102006090B Transmission device and transmission method |
| 11/06/2013 | CN101997495B Adaptive bias circuit for adaptively biasing communication system |
| 11/06/2013 | CN101978598B Quadrature output low noise transconductance amplifier having differential input |
| 11/06/2013 | CN101926089B Circuit with power amplifier and amplification method |
| 11/06/2013 | CN101534094B Compensating circuit |
| 11/05/2013 | US8576002 ADC preamplifier and the multistage auto-zero technique |
| 10/31/2013 | WO2013162836A1 Overcurrent protection for class d power amplifier |
| 10/31/2013 | US20130285743 Amplifier circuit and wireless communication equipment |
| 10/31/2013 | US20130285742 Multi-Dimensional Volterra Series Transmitter Linearization |
| 10/30/2013 | EP2658118A1 Amplifier circuit and wireless communication device |
| 10/30/2013 | EP2658117A1 Pop-noise reducing method for adjusting switching frequency or phase in a class-D amplifier |
| 10/30/2013 | EP2658116A1 Amplifier circuit |
| 10/30/2013 | EP2658115A1 Amplifying device |
| 10/30/2013 | EP2657716A2 Electromagnetic measurement system |
| 10/30/2013 | EP2656163A2 Accurate bias tracking for process variation and supply modulation |
| 10/30/2013 | CN103380569A DC offset compensation |
| 10/30/2013 | CN103379066A Base station and method for carrying out predistortion processing based on same |
| 10/30/2013 | CN103378864A Radio frequency signal receiving device |
| 10/30/2013 | CN103378813A System and method for high input capacitive signal amplifier |
| 10/30/2013 | CN103378810A Distortion cancellation in analog circuits |
| 10/30/2013 | CN103378809A Pop-noise reduction |
| 10/30/2013 | CN103378808A Amplifier with floating well |
| 10/30/2013 | CN103378807A Microwave radio frequency power amplifier chip |
| 10/30/2013 | CN103377627A Driving apparatus, driving apparatus operating method, and self-judgement slew rate enhancing amplifier |
| 10/30/2013 | CN102142851B Distortion compensating apparatus, transmitting apparatus, and distortion compensating method |
| 10/30/2013 | CN101904090B Trans-impedance amplifier |
| 10/30/2013 | CN101405934B Dynamic bias control in power amplifier |
| 10/29/2013 | US8570106 Positive feedback common gate low noise amplifier |
| 10/24/2013 | WO2013158128A1 High side current sense amplifier |
| 10/24/2013 | WO2013158101A1 A signal amplifier with active power management |
| 10/24/2013 | WO2013157298A1 Filter circuit, class-f power amplifier, inverse class-f power amplifier |