Patents
Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
05/2014
05/06/2014US8717097 Amplifier with improved noise reduction
05/06/2014US8717095 Chopper circuitry operable in a high temperature environment of a turbine engine
05/01/2014WO2014066909A1 High density nanopore polynucleotide sequencer
05/01/2014WO2014066694A1 Boost converter control for envelope tracking
05/01/2014WO2014066691A2 Threshold tracking bias voltage for mixers
05/01/2014WO2014066424A1 Amplifiers with shunt switches
05/01/2014WO2014066421A1 Amplifiers with noise splitting
05/01/2014WO2014064683A1 Doherty power amplifier
05/01/2014WO2014063984A1 Transmitter system having reconfigurable amplifiers
05/01/2014WO2014063577A1 Feedback link and method for implementing same
05/01/2014WO2014063540A1 Method and device for processing digital pre-distortion data
05/01/2014WO2014037926A3 High-frequency drain power supply to decrease power dissipation in class-ab power amplifiers
05/01/2014US20140118075 Spur cancellation in gsm-gprs-edge power amplifiers with dc-dc converters
05/01/2014US20140118074 Power amplifier controller
05/01/2014US20140118066 Low-cost digital predistortion apparatus and method using envelope detection feedback
05/01/2014US20140118065 Linearization Circuits And Methods For Multilevel Power Amplifier Systems
05/01/2014US20140118064 Electronic radio system for power amplification with protection in terms of standing wave rate and associated method of protection
05/01/2014US20140118063 RF Amplifier Architecture and Related Techniques
05/01/2014US20140118062 Rf channel amplification module with instantaneous power limiting function
04/2014
04/30/2014EP2724463A2 Method and device for protecting a high-frequency power amplifier against a termination fault
04/30/2014EP2724462A1 Electronic radio system for power amplification with protection in terms of standing wave rate and associated method of protection
04/30/2014EP2724461A1 Low-voltage power-efficient envelope tracker
04/30/2014EP2724460A1 Envelope tracking system for mimo
04/30/2014DE102013112007A1 System und Verfahren für einen kapazitiven Signalquellenverstärker System and method for a capacitive signal source amplifier
04/30/2014DE102013111936A1 Doherty-Verstärkerschaltung mit phasengesteuerter Lastmodulation Doherty amplifier circuit phased load modulation
04/30/2014CN203574609U Ultra-broadband LNA (low noise amplifier) circuit adopting noise eliminating technology
04/30/2014CN203574111U Active rod antenna
04/30/2014CN203564222U Anti-interference pulse signal conditioner
04/30/2014CN103765767A Class E amplifier overload detection and prevention
04/30/2014CN103765766A Amplifier linearization using predistortion
04/30/2014CN103765765A High-efficiency power amplifier
04/30/2014CN103762951A Power amplifier
04/30/2014CN103762949A Level switching circuit for small-signal change detection
04/30/2014CN103762948A Complementary metal-oxide-semiconductor transistor (CMOS) radio frequency power amplifier integrated on system on chip
04/30/2014CN103762947A Cross-coupling input low-noise trans-conductance amplifier
04/30/2014CN103762946A High-speed drive amplifier
04/30/2014CN102299686B Inductive circuit arrangement
04/30/2014CN102291092B Inverse class-F power amplifier
04/30/2014CN102037699B Distortion compensation circuit and distortion compensation method
04/30/2014CN101860332B Amplifier circuit with reduced phase noise
04/29/2014US8710923 Method and apparatus for controlling peak amplifier and doherty power amplifier
04/29/2014US8710898 Triple-trim reference voltage generator
04/24/2014WO2014062902A1 Transitioning from envelope tracking to average power tracking
04/24/2014WO2014062085A1 Amplifier and method for correcting a frequency response
04/24/2014WO2014060044A1 Apparatus and method for load modulating an amplifier
04/24/2014WO2014060026A1 Method and device for broadband high isolation coupling
04/24/2014WO2014018861A4 Programmable rf notch filter for envelope tracking
04/24/2014US20140111280 Electronic device, fiber-optic communication system comprising the electronic device and method of operating the electronic device
04/24/2014US20140111275 Efficient power transfer power amplifier (pa) architecture
04/24/2014US20140110566 Overload protection for amplifier of photodiode signal
04/24/2014DE102012219430A1 Sendersystem mit rekonfigurierbaren Verstärkern Transmitter system with reconfigurable amplifiers
04/23/2014EP2722983A1 Amplifier and signal processing device
04/23/2014EP2722981A1 Amplifier circuits
04/23/2014EP2721732A1 Power amplifier based on doherty power amplifier
04/23/2014EP2696499A9 Power amplifier for mobile telecommunications
04/23/2014CN203563021U Driving circuit of small-power D-class audio frequency amplifier
04/23/2014CN203563019U Power amplification circuit for loudspeaker box loudspeaker
04/23/2014CN203563012U High-stability amplifier for mobile phone
04/23/2014CN203563011U Amplification circuit for wireless router
04/23/2014CN203563010U Circuit for restraining common-mode interference on operational amplifier
04/23/2014CN203563009U Circuit for compensating nonlinear capacitance to reduce harmonic distortion as mush as possible
04/23/2014CN203563008U Low-temperature and low-noise amplifier
04/23/2014CN203563007U Front amplifier circuit of pyroelectricity detector
04/23/2014CN203563006U Front amplification circuit for infrared alarm
04/23/2014CN203563005U Low-noise pre-amplifier suitable for collecting deep-sea noise data
04/23/2014CN103748785A High efficiency power amplifier
04/23/2014CN103746666A Differential power amplifier for CMOS with radio frequency of 0.1-1.2GHz
04/23/2014CN103746665A Drive power amplifier with adjustable gain of 0.1-3GHz CMOS
04/23/2014CN103746664A Power supply circuit of active antenna amplifier of vehicle-mounted tuner
04/23/2014CN103746663A Ultra-wide-band low-noise singlechip integrated amplifier
04/23/2014CN103746662A Power amplifying circuit
04/23/2014CN103746661A Dual-mode low-noise amplifier
04/23/2014CN103746660A Broadband CMOS (Complementary Metal-Oxide-Semiconductor Transistor) balun low noise amplifier
04/23/2014CN103746659A Wideband jammer detector
04/23/2014CN103746658A Power amplification device for power amplification of signals output by AP and AP device
04/23/2014CN102460980B Transmitter phase shift determination and compensation
04/23/2014CN102265505B Power amplication device
04/22/2014US8704598 Linear FET feedback amplifier
04/22/2014US8704595 Predistortion apparatuses and methods
04/22/2014US8704186 Active noise canceling system for mechanically cooled germanium radiation detectors
04/22/2014CA2495528C Enhanced efficiency ldmos based feed forward amplifier
04/17/2014WO2014059311A1 Method and apparatus for predicting signal characteristics for a nonlinear power amplifier
04/17/2014WO2013109138A3 Protection circuitry for power amplifier
04/17/2014US20140104003 Operational amplifier circuit and method implementing the same
04/17/2014US20140103996 Front-end amplifier
04/17/2014DE102013110820A1 Vorsteuerungsschaltung zur Verhinderung von Phasenumkehrung Feedforward control circuit for preventing phase reversal
04/17/2014DE102013016918A1 Steuerschaltung und Verfahren zur Steuerung eines Betriebs eines Leistungsverstärkers Control circuit and method for controlling an operation of a power amplifier
04/16/2014EP2720372A1 Analogue output unit
04/16/2014EP2719073A1 Predistorter for a multi-antenna transmitter
04/16/2014EP2719072A1 High output power digital tx
04/16/2014CN203554388U Wideband power amplifier
04/16/2014CN203554387U Amplifying circuit
04/16/2014CN203554386U Power switching circuit of radio frequency power amplifier
04/16/2014CN103731138A Dead-time generating circuit for output stage of D-type audio power amplifier
04/16/2014CN103731106A Segmented digital pre-distortion method of radio frequency power amplifier
04/16/2014CN103731105A Amplifier digital pre-distortion device and method based on dynamic fuzzy neural network
04/16/2014CN103731104A Feed-forward circuit to prevent phase inversion
04/16/2014CN102680406B Method for processing probe signal of infrared gas sensor
04/16/2014CN102427331B High-efficiency linear power amplification technology
04/16/2014CN102265508B Distortion compensating circuit and radio base station
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