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首页> 外文期刊>IEEE Transactions on Microwave Theory and Techniques >Octave Band Linear MMIC Amplifier With +40-dBm OIP3 for High-Reliability Space Applications
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Octave Band Linear MMIC Amplifier With +40-dBm OIP3 for High-Reliability Space Applications

机译:具有+40 dBm OIP3的八度频带线性MMIC放大器,适用于高可靠性空间应用

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摘要

A systematic design procedure for highly linear and reliable amplifiers is proposed. The procedure deals with nonlinear modeling, junction temperature prediction methods, and circuit design techniques. A wideband linear monolithic microwave integrated circuit power amplifier based on a space-qualified GaAs process for -band and extended -band multicarrier satellite transponder is reported and described. The amplifier uses a bus-bar combiner in the power stage reaching an output power of 26.7 dBm at 1-dB compression point, with a small signal gain above 25 dB in the operation band between 3 and 6 GHz. The output third-order intercept point reaches levels above 40 dBm. The design ensures high reliability keeping the junction temperature below 112 °C.
机译:提出了高度线性和可靠的放大器的系统设计程序。该程序涉及非线性建模,结温预测方法和电路设计技术。报告并描述了一种基于空间限定的GaAs工艺的宽带线性单片微波集成电路功率放大器,该工艺用于频带和扩展频带多载波卫星转发器。该放大器在功率级使用母线组合器,在1 dB的压缩点达到26.7 dBm的输出功率,在3至6 GHz的工作频带中具有25 dB以上的小信号增益。输出的三阶交调点达到40 dBm以上的水平。该设计确保了高可靠性,使结温低于112°C。

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