感应电压叠加器模块对方波脉冲的响应
Response characteristics of induction voltage adder module to square pulse
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摘要: 为了解感应电压叠加器（IVA）对馈入脉冲的响应特性，尤其对上升前沿、平顶的影响，从理论和实验两个方面对IVA模块进行了研究。介绍了IVA的工作原理，利用集总参数方法建立了相应的电路模型，通过拉普拉斯变换分析了感应电压叠加器对方波脉冲上升前沿和平顶的响应,并在一个特定的IVA模块上进行了实验研究。选择输出阻抗约1.2 Ω、脉宽约1 μs的脉冲形成网络作为馈源，在匹配负载上得到的波形与输入波形在幅值、上升前沿方面达到了很好的吻合，平顶出现略微的顶降，与理论预期相一致。Abstract: In order to understand the response characteristics of induction voltage adder (IVA) to square pulses and find out some design philosophies of a compact, high efficient IVA system, theoretical analysis and experimental research are carried out. This paper introduces the operating principles of IVA, establishes an equivalent circuit model and analyses the response characteristics. Elementary experimental researches are carried out on an IVA module charged by a pulse forming network (PFN) which can output 1 μs pulses with an impedance of about 1.2 Ω. The rising edge and flat top of the output waveform are in good agreement with those of the input waveform. The flat top drops as expected. Theoretical analyses are well verified.
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