Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
04/2014
04/16/2014CN102265507B Distortion compensation circuit
04/16/2014CN102055412B Power amplifier protective circuit, communication equipment and method
04/16/2014CN102035481B 偏置电路 Bias circuit
04/16/2014CN102006022B Low voltage operational amplifier based on CMOS (complementary metal oxide semiconductor) process
04/16/2014CN102006013B Power series digital predistorter and distortion compensation control method therefor
04/16/2014CN101795111B Operational amplifier circuit
04/15/2014US8698556 Low switching error, small capacitors, auto-zero offset buffer amplifier
04/15/2014US8698555 Low distortion variable gain amplifier (VGA)
04/10/2014WO2014055769A1 Systems and methods of harmonic extraction and rejection
04/10/2014US20140099906 Reducing effects of rf mixer-based artifact using pre-distortion of an envelope power supply signal
04/10/2014US20140097899 Amplification circuit and method therefor
04/10/2014US20140097893 Transmitter and signal processing method
04/10/2014DE102013110422A1 System und Verfahren für einen Verstärker mit programmierbarer Verstärkung System and method for a programmable gain amplifier
04/09/2014EP2717466A1 Low-mismatch and low-consumption transimpedance gain circuit for temporally differentiating photo-sensing systems in dynamic vision sensors
04/09/2014EP2715934A1 Time alignment for an amplification stage
04/09/2014CN203537330U Input-stage fully differential operational amplifier of D-type audio power amplifier
04/09/2014CN203537327U Solid-state amplifier with AC-DC (alternating current-direct current) power module
04/09/2014CN203537325U DPD MCPA (Digital Pre-Distortion Multi-Carrier Power Amplifier) device
04/09/2014CN203537324U Power overshoot protection circuit for digital television power amplifier
04/09/2014CN203537323U Multi-band LNA (low-noise amplifier) circuit for receiver of Beidou navigation system
04/09/2014CN203537322U Weak photoelectric signal amplification circuit and processing board
04/09/2014CN203537321U Weak mechanical vibration wave signal processing circuit
04/09/2014CN203537320U Signal amplification circuit for speech recognition
04/09/2014CN203537319U Pre-amplification circuit for calculator
04/09/2014CN103718456A Predistorter, predistorter control method
04/09/2014CN103715995A Power amplifier protection method and device
04/09/2014CN103715994A Broadband amplifying circuit for computer
04/09/2014CN103715993A Low-frequency voltage-controlled phase-shift circuit
04/09/2014CN103715992A Power-amplifier pre-distortion device and method based on simplified Volterra series
04/09/2014CN103715991A Micro CMOS power amplifier
04/09/2014CN102340282B Amplifier with wide gain range
04/09/2014CN102055418B High perceived audio quality class d amplifier
04/08/2014US8692614 Timing alignment for power amplifier
04/08/2014US8692613 Modified dynamic load scaling (MDLS) technique for implementing high efficiency low power mode operation
04/08/2014US8692180 Readout circuit for touch sensor
04/08/2014CA2637228C A method and apparatus for reducing frequency memory effects in rf power amplifiers
04/03/2014WO2014051896A1 Reducing the effect of parasitic mismatch at amplifier inputs
04/03/2014WO2014050383A1 Distortion compensation device, and wireless communication device
04/03/2014WO2014050218A1 Distortion compensation circuit and transmission device using distortion compensation circuit and high-frequency power amplifier
04/03/2014US20140091861 High Speed Power Supply System
04/03/2014DE112010003734B4 Verstärkungsrückgewinnung in einem bipolaren Transistor Strengthening recovery in a bipolar transistor
04/03/2014DE102012211308A1 Quasi-breitbandiger Verstärker nach dem Doherty-Prinzip Quasi-wideband amplifier according to the Doherty principle
04/02/2014EP2713505A2 Doherty power amplifier and signal processing method
04/02/2014CN203522663U Broadband automatic gain amplifier for computer network processor
04/02/2014CN203522659U Frequency-compensation sensor signal operational amplifier
04/02/2014CN203522657U WiMAX radio frequency front-end downlink power amplifier
04/02/2014CN203522655U WiMAX radio frequency front-end LNA protection circuit
04/02/2014CN203522654U WiMAX radio frequency front-end over-temperature warning level and protection circuit
04/02/2014CN203522653U Detection circuit for low-offset sensor
04/02/2014CN203522652U WiMAX radio frequency front-end uplink low-noise amplifier
04/02/2014CN203522651U High efficiency power amplifier with error signal cancellation function
04/02/2014CN103703682A High-frequency amplification circuit
04/02/2014CN103703678A Analog feedback amplifier
04/02/2014CN103703677A Radio frequency amplifier in communication system and method of controlling the same
04/02/2014CN103701418A Compensating method for power amplifying unit of wireless radiofrequency module
04/02/2014CN103701416A Infrared signal amplifying circuit
04/02/2014CN103701415A Feed-forward power amplifier
04/02/2014CN103701414A Selection device and method of nonlinear terms, identification system and compensation system
04/02/2014CN103701413A Doherty PA (power amplifier) with Cartesian feedback loop
04/02/2014CN103701412A Circuit for realizing high and low power of linear power amplifier by taking CMOS (complementary metal-oxide-semiconductor) transistors as switches
04/02/2014CN102412793B Protective circuit
04/02/2014CN102347738B Two-stage fully-differential low-noise low-offset chopping operational amplifier
04/02/2014CN102224675B Dynamically biased amplifier
04/02/2014CN102158179B Multimode low-noise amplifier adopting positive and negative feedback structure
04/02/2014CN102099999B Power amplifier, power amplifier nonlinear distortion correction method, and wireless communication device
04/01/2014US8688407 Method, device and computer program product for magnetic tamper detection in a meter
04/01/2014US8686796 RF power amplifiers with improved efficiency and output power
04/01/2014US8686793 Amplifier device with reiterable error correction scheme with balanced negative feedback
03/2014
03/27/2014WO2014046988A1 Method and apparatus for controlling or managing bandwidth of a filter circuit within a system having two integrated circuits
03/27/2014WO2014046582A1 Method and radio network node for controlling transmission of signals from the radio network node
03/27/2014WO2014045409A1 Analog feedback amplifier
03/27/2014WO2014044189A1 Doherty power amplification circuit
03/27/2014US20140085120 Chopper-stabilization method and apparatus for sigma delta modulators
03/27/2014US20140085000 Doherty amplifier with efficiency optimization
03/27/2014US20140084998 Apparatus and methods for capacitive load reduction
03/27/2014DE102013110432A1 Vorrichtung und Verfahren für Differenzverstärker mit weitem Gleichtaktbereich Apparatus and method for differential amplifier with wide common-mode range
03/27/2014DE102008003396B4 Leistungsverstärkersystem und zugehöriges Verfahren Power amplifier system and associated method
03/26/2014EP2712076A1 Power amplifier for mobile telecommunications
03/26/2014EP2710729A1 Amplifier
03/26/2014EP2710728A1 Radio frequency integrated circuit
03/26/2014CN203504501U Broadband low-noise amplifier
03/26/2014CN203504500U Amplifier module group
03/26/2014CN103685111A Calculating method of digital pre-distortion parameters and pre-distortion system
03/26/2014CN103684306A Radio frequency feed-forward amplifier and loop self-adaptive control method
03/26/2014CN103684299A Low-voltage low-power consumption bulk-driven operational amplifier
03/26/2014CN103684290A Signal amplification circuit and signal amplification determination circuit including signal amplification circuit
03/26/2014CN103684286A Folded-cascode amplifier
03/26/2014CN103684282A Low-voltage and low-power-consumption amplifier based on nanometer MOS device
03/26/2014CN103684281A Decision feedback equalizer
03/26/2014CN103684280A 0-10M broadband amplifier
03/26/2014CN103684279A Circuits for improving linearity of metal oxide semiconductor (MOS) transistors
03/26/2014CN103684278A Biasing circuit of power amplifier
03/26/2014CN103684277A Method for adjusting operational amplifier input offset voltage in automobile fuel injection system
03/26/2014CN103684276A Temperature compensation circuit and electronic device with temperature compensation
03/26/2014CN103684275A Low-noise amplifier based on noise cancellation structure
03/26/2014CN103684274A Broadband low-noise amplifier with single-end-to-difference capacity and filtering function
03/26/2014CN103684273A Feed-forward linear power amplifier for radio frequency communication
03/26/2014CN103684272A Radio-frequency power amplifier power switching circuit
03/26/2014CN103684271A Device and method for improving efficiency of radio frequency power amplifier
03/26/2014CN103677069A Circuit to prevent load-induced non-linearity in operational amplifiers
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