Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
09/2010
09/08/2010CN101015178B Receiver for a differential data bus
09/07/2010US7792493 Transmitter and a method of calibrating power in signals output from a transmitter
09/07/2010US7792434 Optical receiver
09/07/2010US7791414 Low voltage current feedback amplifier with near rail to rail input common mode voltage range
09/07/2010US7791412 Gain control methods and systems in an amplifier assembly
09/02/2010WO2010099183A1 Fast common mode feedback control for differential driver
09/02/2010WO2010097845A1 Amplification device and sensor module
09/02/2010WO2010097324A1 Power amplification for fragmented transceiver systems
09/02/2010US20100219892 Current limiter circuit
09/02/2010US20100219891 Class-D amplifier
09/02/2010US20100219887 Rf power amplifier with linearity control
09/01/2010EP2224590A1 Power amplification for fragmented transceiver systems
09/01/2010EP2223429A1 Multiport amplifiers in communications satellites
09/01/2010EP2223377A1 Radial power amplification device with phase dispersion compensation of the amplification paths
09/01/2010EP2156551B1 Configurable, variable gain lna for multi-band rf receiver
09/01/2010EP1908168B1 Temperature-independent amplifier offset trim circuit
09/01/2010CN201571024U Power amplifier circuit used for instruction communication system
09/01/2010CN201571023U L wave band 100W power amplifier
09/01/2010CN201571022U Medium-wave power amplifier
09/01/2010CN201571021U Power amplifier biasing circuit with temperature compensation function
09/01/2010CN101820571A Speaker system
09/01/2010CN101820257A Switched capacitor circuit and analog-to-digital converter
09/01/2010CN101820256A Sensor signal amplifying and conditioning circuit
09/01/2010CN101820255A Voltage follower for high voltage input
09/01/2010CN101820254A D-class power amplifier with novel PWM (Pulse-Width Modulation) circuit
09/01/2010CN101820253A Conduction-switching type power amplifier
09/01/2010CN101820252A Narrowband low noise amplifier capable of automatically tuning center frequency
09/01/2010CN101820098A Automobile side window glass printed antenna amplifier system
09/01/2010CN101267193B Semiconductor integrated circuit performing a voltage comparison and preventing deterioration of voltage comparison accuracy
09/01/2010CN101204008B Buffer circuit
09/01/2010CN101043201B Semiconductor integrated circuit
08/2010
08/31/2010US7788053 Configurable voltage regulator
08/31/2010US7787847 Front end and high frequency receiver having quadrature low noise amplifier
08/31/2010US7787780 Optical signal receiving circuit
08/31/2010US7787642 Low-power high-PSRR current-mode microphone pre-amplifier system and method
08/31/2010US7787635 Dip filter frequency characteristic decision method
08/31/2010US7786985 Semiconductor device, and display device and electronic device utilizing the same
08/31/2010US7786807 Cascode CMOS RF power amplifier with programmable feedback cascode bias under multiple supply voltages
08/31/2010US7786806 Tunable cascode LNA with flat gain response over a wide frequency range
08/31/2010US7786805 Power amplifier module and a time division multiple access radio
08/31/2010US7786804 Driving amplifier circuit with digital control and DC offset equalization
08/31/2010US7786803 Operational transconductance amplifier (OTA)
08/31/2010US7786802 Output stage circuit and operational amplifier thereof
08/31/2010US7786801 Operational amplifier having high slew rate and stability, and operating method thereof
08/31/2010US7786800 Class AB amplifier
08/31/2010US7786799 Trimming technique for high voltage amplifiers using floating low voltage structures
08/31/2010US7786798 Amplifying pulses of different duty cycles
08/31/2010US7786797 Amplifying apparatus
08/31/2010US7786796 Audio amplifier
08/31/2010US7786795 Class-D amplifier circuit
08/31/2010US7786636 Magnetic bearing device and a turbo molecular pump with the magnetic bearing device mounted thereto
08/26/2010WO2010096705A2 Systems and methods for driving high power stages using lower voltage processes
08/26/2010US20100216411 Microwave and/or millimeter-wave band amplifier circuit, and millimeter-wave transceiver using them
08/26/2010US20100214493 Enhanced Low Noise Amplifier
08/26/2010US20100214024 Low dissipation amplifier
08/26/2010US20100214023 Amplifying system and related method
08/26/2010US20100214022 Bi-directional and adjustable current source
08/26/2010US20100214021 Class AB Rail-to-Rail Operational Amplifier
08/26/2010US20100214020 High precision follower device with zero power, zero noise slew enhancement circuit
08/26/2010US20100214019 Low power integrated circuit
08/26/2010US20100214017 Tuning multiport amplifiers
08/26/2010US20100214016 Trench Device Structure and Fabrication
08/26/2010US20100213983 Amplifiers with input offset trim and methods
08/25/2010EP2221974A2 Amplifiers with input offset trim and methods
08/25/2010EP2221965A2 Amplifier employing interleaved signals for PWM ripple suppression
08/25/2010EP2221964A1 Self oscillating class D amplification device
08/25/2010EP2221962A1 Predistorter and distortion compensation method
08/25/2010EP2220765A2 Signal processor comprising an amplifier
08/25/2010EP2220764A1 Switched-capacitor amplifier with improved reset phase
08/25/2010EP1647092B1 Operational amplifier with constant offset and apparatus comprising such an operational amplifier
08/25/2010CN101816123A A distributed low noise amplifier
08/25/2010CN101814903A Tunable ferro-electric filter
08/25/2010CN101814900A D-class audio amplifier and method for improving output nonlinearity thereof
08/25/2010CN101814899A Self oscillating class D amplification device
08/25/2010CN101814898A Radio-frequency amplifier and digital pre-distortion system
08/25/2010CN101814897A Amplifying system and related method for improving glitch performance of amplifier
08/25/2010CN101814650A Amplifier system of front screen printed antenna for automobiles
08/25/2010CN101813767A Solid power amplification device for radar transmitter
08/25/2010CN101813761A Underwater acoustic beacon with multiple work modes
08/25/2010CN101167243B Polar coordinate modulating circuit, integrated circuit and radio apparatus
08/25/2010CN101132156B Piezoelectric ceramic driving circuit used for optical fiber stress adjustment
08/25/2010CN101079597B RF transmitter
08/24/2010US7783276 Wireless communication system
08/24/2010US7782285 Drive circuit for liquid crystal displays and method therefor
08/24/2010US7782142 High speed differential to single ended converting circuit
08/24/2010US7782141 Adaptive signal-feed-forward circuit and method for reducing amplifier power without signal distortion
08/24/2010US7782140 Analog circuit
08/24/2010US7782137 Differential circuit providing a function to cancel input offset voltage
08/24/2010US7782136 Digitally adjusted variable gain amplifier (VGA) using switchable differential pairs
08/24/2010US7782135 Power amplifier
08/24/2010US7782132 Method and apparatus for improving the performance of MIMO wireless systems
08/24/2010US7782131 Balanced amplifier and electronic circuit
08/24/2010US7782130 Bowtie deflector cavity for a linear beam device
08/24/2010US7782129 System and method to reduce audio artifacts from an audio signal by reducing the order of the control loop
08/24/2010US7781720 Direct attach optical receiver module and method of testing
08/24/2010US7781719 High sensitivity and high dynamic-range CMOS image sensor pixel structure with dynamic C-V characteristics
08/19/2010WO2010059290A3 Constructive feedback traveling wave device and method
08/19/2010US20100207921 Driving circuirt and display device including the same
08/19/2010US20100207703 Metamaterial power amplifier systems
08/19/2010US20100207692 Bias circuit and control method for bias circuit