多路窄脉冲功率线路合成
Power synthesization of multi-channel narrow pulses by circuitry
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摘要: 介绍了传输线变压器的结构特点，对其进行了理论分析和实验研究。采用传输线变压器结构将每路幅度约为4.5 kV/50 Ω的4路脉冲合成了幅度约8.8 kV/50 Ω的脉冲，通过实验证实了采用多根传输线串并联方式构成的传输线变压器装置可以将多路窄脉冲进行线路功率合成。应用此类结构设计了一种紧凑的高压窄脉冲发生器，将36路8 kV/50 Ω的脉冲合成了约46 kV/50 Ω的脉冲。采用传输线变压器合成器，应确保各路输入脉冲的前沿抖动足够小和高精度同步。Abstract: This paper discusses the setup feature of the transmission line transformers (TLT). The theoretic analysis and experimental research of TLT are presented. The technique that many transmission lines can commingle multi-channel narrow pulses to synthesize power is proved by the experiment that a pulse is obtained by 4 channel of pulses with 4.5 kV(50 Ω) each inputting the TLT setup. A compact high voltage narrow pulse generator is designed, a 46 kV(50 Ω) pulse is obtained by the TLT setup synthesizing 36 channel pulses with 8 kV(50 Ω) each. Suggestions for improving pulse waveforms when the technique is used are put forward.
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