Radio Frequency (RF) amplifiers with voltage limiting using non-linear feedback are presented herein. According to one aspect, an RF amplifier comprises an amplifier circuit having an input terminal and an output terminal and a non-linear feedback circuit having an input terminal and an output ...
Generally, the invention relates to a method and apparatus to improve the performance of radio frequency power amplifiers. More particularly, the present invention discloses the use of a power booster in conjunction with a radio-frequency linear power amplifier to reduce intermodulation distortion of ...
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关键词: high power amplifiers HEMTs energy efficiency power transistors radiofrequency amplifiers 会议名称: Microwave Symposium Digest 会议时间: 06 January 2014 主办单位: IEEE 被引量: 3 收藏 引用 批量引用 报错 分享 全部来源 免费下载 求助全文 IEEEXplore (全网免费下载) IEEEXplore ResearchGate 相似...
Radio Frequency (RF) amplifiers with voltage limiting using non-linear feedback are presented herein. According to one aspect, an RF amplifier comprises an amplifier circuit having an input terminal and an output terminal and a non-linear feedback circuit having an input terminal and an output ...
Both cross field devices (magnetrons, cross field amplifiers, etc.) and pencil beam devices (klystrons, gyrotrons, TWT`S, lasertrons, etc.) ha... Eppley 被引量: 5发表: 1993年 METHOD FOR FORMING AN OPTICAL WAVEGUIDE DEVICE An optical waveguide is formed on a substrate of a material ...
System science Highly Linear and Efficient Radio Frequency Power Amplifiers with a New Circuit Synthesis Technique NORTH CAROLINA STATE UNIVERSITY Kevin GardMichael Steer DingMiaofuPower amplifiers and other large-signal circuits are known to suffer from inherent transistor nonlinearities in linearity and ...
As a result, present-day linear amplifiers, especially cellular radio frequency (RF) power amplifiers (PAs), are manufactured with linear but expensive technologies such as GaAs rather than nonlinear but low-cost technologies such as CMOS.;To realize true linearity independent of the transistor ...
Radio frequency signal processing and amplification in cartesian loop and other linear amplifiersA Cartesian Loop radio frequency transmitter has its I and Q channel processing circuitry implemented in an ASIC, which produces a forward path output signal in a first radio frequency band. At least one...
The bias control signal is generated such that a gain change of the multi stage power amplifier circuit due to a supply voltage change is substantially compensated.doi:US7969240 B2Kenneth SearleEdward John WhittakerUS