Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
04/2012
04/11/2012CN102414984A Electronic circuits including mosfet and dual-gate jfet
04/11/2012CN102414982A 功率放大器 PA
04/11/2012CN102412798A Radio frequency modulation output circuit and gain compensation amplifier thereof
04/11/2012CN102412797A Apparatus for minimizing amplifer oscillation in antenna system
04/11/2012CN102412796A 放大器 Amplifiers
04/11/2012CN102412795A Adaptive adjustment of active area for power amplifier
04/11/2012CN102412791A 一种用于高效功率放大器的数字预失真处理方法 Digital predistortion processing method for the high efficiency power amplifier
04/11/2012CN102412787A 提高功率放大器在输出低功率模式下的效率的方法 To improve the efficiency of the power amplifier at low output power mode method
04/11/2012CN102412434A 一种多路径向波导功率合成放大器 A multi-path to the waveguide Power Amplifier
04/11/2012CN101741325B 带载波可调模块的d类音频功放及其载波调制方法 Adjustable d-band carrier class audio amplifier module and carrier modulation method
04/10/2012US8155537 Optical receiver circuit and optical coupling device
04/10/2012US8155535 Optical receiver
04/10/2012US8154358 System and method of changing a PWM power spectrum
04/10/2012US8154357 Modulation for amplitude-modulating a signal
04/10/2012US8154348 Amplifier circuit
04/10/2012US8154347 Audio processing circuit and preamplifier circuit
04/10/2012US8154344 RF power amplifier
04/10/2012US8154343 High dynamic range low-power differential input stage
04/10/2012US8154342 Power amplifier and processing device utilizing the same
04/10/2012US8154340 Metamaterial power amplifier systems
04/10/2012US8154339 V-band high-power transmitter with integrated power combiner
04/10/2012US8153953 Light receiving circuit
04/05/2012WO2012044961A1 High impedance microwave electronics
04/05/2012WO2012042832A1 Power amplifier and power supply circuit
04/05/2012WO2012042625A1 Wireless communication apparatus and feedback control method
04/05/2012WO2012042048A1 Dutycycle adjustment to improve efficiency of a digital rf-pa
04/05/2012WO2012042047A1 Current saving by reduced modulation code and selective gating of rf signal buffers
04/05/2012WO2012041694A1 Circuit arrangement for controlling a junction field effect transistor
04/05/2012WO2012041681A1 Single-ended to differential buffer circuit and method for coupling at least a single-ended input analog signal to a receiving circuit with differential inputs
04/05/2012WO2012040879A1 Multi-band switched-mode power amplifier
04/05/2012WO2012027619A4 Boost charge-pump with fractional ratio and offset loop for supply modulation
04/05/2012US20120082186 Ultra-wideband signal amplifier
04/05/2012US20120082174 Sense Amplifier with Selectively Powered Inverter
04/05/2012US20120081184 High impedance microwave electronics
04/05/2012US20120081183 Current Saving by Reduced Modulation Code and Selective Gating of RF Signal
04/05/2012US20120081182 Broadband high power amplifier
04/05/2012US20120081181 Comparator circuit having latching behavior and digital output sensors therefrom
04/05/2012US20120081180 Layout method for differential amplifier and layout using the same
04/05/2012US20120081179 Dutycycle adjustment to improve efficiency of a digital rf-pa
04/04/2012EP2437393A1 Power control for an RF power amplifier with spectrally grouped nanosized switches
04/04/2012EP2437268A1 Single-ended to differential buffer circuit and method for coupling at least a single-ended input analog signal to a receiving circuit with differential inputs
04/04/2012EP2436113A1 Offset cancellation for audio amplifier
04/04/2012EP2436112A1 Anti-glitch system for audio amplifier
04/04/2012EP2016675B1 Cmos temperature compensated transmitter circuit with merged mixer and variable gain amplifier
04/04/2012CN202183755U 单通道信号隔离放大器 Single-channel signal isolation amplifier
04/04/2012CN202183754U 简易小功放装置 Simple small amplifier device
04/04/2012CN202183753U 电压型功率放大器 Voltage power amplifier
04/04/2012CN202183752U 一种用于LTE系统基站中12w功率放大器 A method for a base station in the LTE system, the power amplifier 12w
04/04/2012CN102404022A Power amplifying module, radio frequency front end module and multi-mode terminal
04/04/2012CN102404021A Duplex amplifying module, radio frequency front end module and multi-mode terminal
04/04/2012CN102404020A Power amplification module, multimode radio frequency transceiver and multimode terminal
04/04/2012CN102403968A 输出电路 The output circuit
04/04/2012CN102403967A 一种高精度cmos单端输入到差分输出转换器 A high precision cmos single-ended input to differential output converter
04/04/2012CN102403966A 减少数模转换器电压内插放大器输入差分对的方法和装置 Reduction plug the amplifier input method and apparatus within the DAC voltage differential pair
04/04/2012CN102403965A 一种基于Volterra模型的功率放大器模拟方法 A power amplifier Volterra model-based simulation method
04/04/2012CN102403964A Radio-frequency power amplifier with fast envelope tracking
04/04/2012CN102403963A 功率放大器 PA
04/04/2012CN102403962A Rf功率放大器 Rf Power Amplifier
04/04/2012CN101573864B 高效数字功率放大器 Efficient digital power amplifier
04/03/2012US8149966 Packet acquisition controller with signal strength threshold control for wireless MIMO receiver
04/03/2012US8149955 Single ended multiband feedback linearized RF amplifier and mixer with DC-offset and IM2 suppression feedback loop
04/03/2012US8149064 Power amplifier circuitry and method
04/03/2012US8149063 Current-restriction circuit and driving method therefor
04/03/2012US8149062 Power amplifier circuitry having inductive networks
04/03/2012US8149061 Class H amplifier
04/03/2012US8149060 Low distortion amplifier and Doherty amplifier using low distortion amplifier
04/03/2012US8149059 Method and apparatus for compensating for gain changes in an amplifier circuit
04/03/2012US8149056 Amplifying circuit
04/03/2012US8149055 Semiconductor integrated circuit device
04/03/2012US8149054 Operational amplifier
04/03/2012US8149049 Low noise receiving apparatus
04/03/2012US8149043 Semiconductor device and electronic apparatus using the same
04/03/2012DE202005022009U1 Leistungsverstärkungsvorrichtung, die eine asymmetrische Leistungsansteuerung verwendet Power amplifying apparatus using an asymmetric power control
03/2012
03/29/2012WO2012038545A1 Pa load-line tuning with capacitors around a balun
03/29/2012WO2012038544A1 Calibrate output matching for correct output power
03/29/2012WO2012038400A1 Cryogenic low noise amplifier
03/29/2012US20120075216 Integrated passives and power amplifier
03/29/2012US20120075023 Hybrid reconfigurable multi-bands multi-modes power amplifier module
03/29/2012US20120075022 Differential amplifier
03/29/2012US20120075018 Power amplifier and transmitter
03/29/2012US20120075017 Attenuator
03/29/2012DE112004001202B4 FET-Verstärker, Pulsmodulationsmodul und Radarvorrichtung FET amplifier, pulse modulation module and radar apparatus
03/29/2012DE10345100B4 Differenzverstärkeranordnung Differential amplifier configuration
03/29/2012DE10262314B4 Sinusoidal HF signal generation method using power amplifier with common network for band-pass filtering and impedance matching
03/29/2012DE10252146B4 Verfahren zum Erzeugen einer hochfrequenten Wechselspannung sowie Hochfrequenz-Leistungsverstärker dafür A method for generating a high-frequency alternating voltage and high-frequency power amplifier for
03/29/2012DE102006023710B4 Klasse-AB-Verstärkerschaltung mit kombinierter Ruhestrom- und Gleichtaktregelung Class AB amplifier circuit with combined quiescent and common-mode control
03/29/2012DE102005028260B4 Verfahren und Vorrichtung zum Steuern eines Sendeleistungs-Verstärkers Method and device for controlling a transmit power amplifier
03/29/2012DE10134874B4 Leitungstreiber Line Drivers
03/28/2012EP2434643A2 Speaker
03/28/2012EP2434642A1 Transimpedance amplifier, integrated circuit, and system
03/28/2012EP2434635A1 Drive device for a medical pump with a step motor
03/28/2012EP2433363A1 Output circuit with integrated impedance matching, power combining and filtering for power amplifiers and other circuits
03/28/2012EP2433362A1 A harmonic control apparatus
03/28/2012EP2433333A1 Circuits and methods combining signal power
03/28/2012EP1872473B1 A method for voltage modulation
03/28/2012CN202178831U 一种户外型高效率数字电视发射机 Kind of outdoor high-efficiency digital television transmitters
03/28/2012CN202178739U 一种高稳定性射频功率放大器单片集成电路 A highly stable RF power amplifier monolithic integrated circuit
03/28/2012CN102396152A Low noise amplifier with combined input matching, balun, and transmit/receive switch
03/28/2012CN102394585A Two-way error amplifier
03/28/2012CN102394584A Preposed equalization amplifying circuit and reposed equalization amplifying system
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