基于混频器的NVNA测量非周期脉冲串对雷达功率放大器非线性特性的影响

Vincent Bridier, F. Graux, D. Ducatteau, G. Dambrine, Hans-Joachim Simon, M. Olivier, P. Eudeline
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引用次数: 0

摘要

利用最近开发的一种能够同时测量三个频率的20GHz六端口混频器非线性矢量网络分析仪(NVNA)原型,从第一个脉冲开始,在每个非周期脉冲序列中选择脉冲重构时域张力和电流波形。利用该仪器研究了真实雷达脉冲序列对5W s波段氮化镓硅HEMT晶体管的影响。
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Measurement of the influence of non periodic pulse train on the nonlinear behavior of radar power amplifier using mixer based NVNA
Taking advantage of a recently developed 20GHz six port mixer based nonlinear vector network analyzer (NVNA) prototype able to measure three frequencies simultaneously, the time domain tension and current waveforms are reconstructed at each chosen pulse of a non periodic pulse train starting from first pulse. This new instrument is used to study the influence of realistic radar pulse train on a 5W S-band GaN on silicon HEMT transistor.
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