Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
06/2014
06/12/2014WO2014087886A1 Broadband amplifier
06/12/2014WO2014087637A1 Amplifying apparatus
06/12/2014WO2014087336A2 Distributed digitally convertible radio (ddcr)
06/12/2014US20140163431 Switched Resonant Ultrasonic Power Amplifier System
06/12/2014US20140159820 Sense amplifier
06/12/2014US20140159819 Electronic system, rf power amplifier and output power compensation method thereof
06/12/2014US20140159818 Doherty power amplifier with tunable impedance load
06/12/2014US20140159817 Integrated start-up bias boost for dynamic error vector magnitude enhancement
06/12/2014US20140159816 Amplifier circuit
06/12/2014US20140159815 High Bandwidth High Sensitivity CMOS Trans-Impedance Amplifier
06/12/2014US20140159814 Differential receiver
06/12/2014US20140159813 Enhanced transconductance circuit
06/12/2014US20140159812 Signal converting apparatus and receiving apparatus for supporting concurrent dual bands in wireless communication system
06/12/2014US20140159811 Super-efficient single-stage isolated switching power amplifier
06/12/2014US20140159809 Single stage switching power amplifier with bidirectional energy flow
06/12/2014US20140159808 Design and Analysis of Doherty Amplifiers
06/12/2014US20140158866 Amplifier and optical receiver
06/12/2014DE102013020902A1 Hüllkurvendetektor und Verfahren zum Detektieren einer Hüllkurve eines durch einen Leistungsverstärker zu verstärkenden Signals Envelope detector and method for detecting an envelope of a to be amplified by a power amplifier signal
06/11/2014EP2741423A1 Digital pre-distortion processing method and apparatus
06/11/2014EP2740213A1 A high efficiency power amplifier
06/11/2014CN203645633U 红外信号放大电路 IR signal amplifying circuit
06/11/2014CN203645632U 一种适用于短波信号的功率放大电路 A suitable signal to the power amplifier circuit shortwave
06/11/2014CN103858339A Amplifier for electrostatic transducers
06/11/2014CN103858338A Split vcc and common vcc power management architecture for envelope tracking
06/11/2014CN103856174A Multi-mode opamp-based circuit
06/11/2014CN103856173A Differential amplifying circuit of piezoresistive pressure transducer
06/11/2014CN103856172A Electronic system, radio frequency power amplifier and temperature compensation method of amplifier
06/11/2014CN103856170A Power-stage power supply noise error elimination method of H-bridge type digital D type power amplifier
06/11/2014CN103856168A MRI (Magnetic Resonance Imaging) B0 compensation amplifier based on PID (Proportion Integration Differentiation) regulation technology and PWM (Pulse-Width Modulation) technology
06/11/2014CN103853070A Signal processing device and amplifier
06/11/2014CN102394584B Preposed equalization amplifying circuit and reposed equalization amplifying system
06/11/2014CN102244501B CMFB (common mode feedback) circuit
06/11/2014CN102195572B Dual-mode power amplifier system with transformer
06/10/2014US8751993 Element removal design in microwave filters
06/10/2014US8751021 Methods and systems for adaptive control
06/10/2014US8749423 Amplifying circuit and analog digital conversion circuit with the same
06/10/2014US8749418 Interpolative digital-to-analog converter
06/10/2014US8749317 Modulator and an amplifier using the same
06/10/2014US8749312 Optimizing cascade gain stages in a communication system
06/10/2014US8749311 Active antenna arrangement with Doherty amplifier
06/10/2014US8749306 Enhanced Doherty amplifier
06/10/2014US8749303 Over-current protection for a switch mode class D audio amplifier
06/10/2014US8748797 Two wavelength range photodiode demultiplexer and methods for using the same
06/05/2014WO2014083876A1 Power amplification circuit and power amplification module
06/05/2014WO2014083736A1 Switched capacitor circuit and drive method therefor
06/05/2014US20140155126 Push-pull amplifier with quiescent current adjuster
06/05/2014US20140152390 Digital Bias Adjustment in a Variable Supply Radio Frequency Power Amplifier
06/05/2014US20140152389 Actively Tuned Circuit Having Parallel Carrier and Peaking Paths
06/05/2014US20140152388 Amplifier circuit and methods of operation thereof
06/05/2014US20140152387 Semiconductor device and electronic apparatus using the same
06/05/2014US20140152386 Error amplifier having cascode current source using body biasing
06/05/2014US20140152282 Switching power supply device and a semiconductor integrated circuit
06/04/2014EP2737631A1 Wireless long term evolution radio architecture system and method
06/04/2014CN203632627U 一种差分信号放大电路 Kind of differential signal amplification circuit
06/04/2014CN203632626U 一种电力线载波的功率放大器 A power line carrier power amplifier
06/04/2014CN203632625U 一种信号采集放大电路 A signal amplifier circuit collection
06/04/2014CN203632624U 一种动态智能型手机信号放大器 A dynamic smart phone signal amplifier
06/04/2014CN203632623U 七管高速宽带放大器 Seven-speed broadband amplifiers
06/04/2014CN203628843U 一种基于信号放大器的空气净化装置 An air purification device based on a signal amplifier
06/04/2014CN103843248A Radio frequency integrated circuit
06/04/2014CN103840782A Circuit capable of preventing reversal of current of operational amplifiers connected in series through diode
06/04/2014CN103840781A Circuit capable of preventing reversal of current of operational amplifiers connected in series
06/04/2014CN103840780A Circuit for restraining self-excitation of capacitive load operational amplifier circuit
06/04/2014CN103840779A Analog voltage high-speed following switching circuit and following switching method of analog voltage high-speed following switching circuit
06/04/2014CN103840778A Amplifier device with filtering and method
06/04/2014CN103840775A Limiting amplifier allowing direct-current offset eliminating function to be achieved on sheet
06/04/2014CN102394585B Two-way error amplifier
06/03/2014US8742853 Low-stress cascode structure
06/03/2014US8742852 Optical receiver compensating input offset
06/03/2014US8742851 CMOS linear differential distributed amplifier and distributed active balun
06/03/2014US8742849 Linear source follower amplifier
06/03/2014US8742848 Common mode rejection ratio versus frequency in instrumentation amplifier
06/03/2014US8742847 Amplifier and dynamic-bias generation device and dynamic-bias method thereof
06/03/2014US8742846 Selectable gain differential amplifier
06/03/2014US8742845 Amplifier circuits with reduced power consumption
06/03/2014US8742842 High efficiency power amplifier architecture for off-peak traffic hours
06/03/2014US8742841 PWM re-clocking scheme to reject accumulated asynchronous jitter
06/03/2014US8742798 Method and apparatus for local oscillation distribution
06/03/2014US8742788 Common mode voltage control
06/03/2014US8742314 Light amount detecting apparatus, and light amount information processing apparatus
06/03/2014CA2636481C Am transmitter and modulation method using same
05/2014
05/30/2014WO2014080668A1 High frequency amplifier circuit
05/30/2014WO2014080349A1 Systems and methods for band-limited adaptation for pa linearization
05/30/2014WO2014079862A1 Envelope modulator and method of operating an envelope modulator
05/29/2014US20140145791 Amplifier circuit
05/29/2014US20140145789 Amplifier
05/29/2014US20140145787 Amplifier with filtering
05/29/2014US20140145785 Apparatus and methods for equalization
05/29/2014US20140144229 Signal Processing Device and Amplifier
05/28/2014EP2736182A1 High-speed optical receiver implemented using low-speed light receiving element and method of implementing the same
05/28/2014EP2736168A1 Class AB amplifiers
05/28/2014EP2736167A1 Amplifier with filtering
05/28/2014EP2736166A1 Power combiner
05/28/2014EP2735095A2 Amplifier arrangement
05/28/2014DE10361038B4 Modifizierbarer Bitleitungs-Leseverstärker Modifiable bit line sense amplifier
05/28/2014DE10344878B4 Differenzverstärkeranordnung mit Stromregelkreis und Verfahren zum Betreiben einer Differenzverstärkeranordnung Differential amplifier arrangement having current control circuit and method of operating a differential amplifier arrangement
05/28/2014CN203617973U 用于手持式数字示波表的低功耗宽带放大电路 Handheld Digital Oscilloscope for low-power broadband amplifier
05/28/2014CN203617972U 一种高功率Ka频段的功率放大单片电路 A high-power Ka-band power amplifier monolithic
05/28/2014CN103828231A 资源池放大器 Resource pool Amplifier
05/28/2014CN103828230A 使用宽带变换器的宽带多尔蒂放大器 Broadband broadband Doherty amplifier converter
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