| 模块化多路同步快脉冲触发源设计 |
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| 引用本文： | 李玺钦,邓维军,赵娟,马成刚,谢敏,李洪涛,栾崇彪.模块化多路同步快脉冲触发源设计[J].强激光与粒子束,2015,27(7):075006. |
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| 作者姓名： | 李玺钦 邓维军 赵娟 马成刚 谢敏 李洪涛 栾崇彪 |
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| 作者单位： | 1.中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621 900 |
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| 摘 要： | 基于超快速高压大功率半导体开关、脉冲形成电路以及同心等间距传输的关键技术,提出一种模块化多路同步快脉冲触发源技术方案。设计出在负载阻抗为50Ω时,可同步输出两种快脉冲触发信号:一种幅度大于20V(4路)、脉冲前沿小于820ps、脉冲宽度大于100ns;另一种则是幅度大于100V(4路)、前沿小于1.4ns、脉宽大于100ns;在外触发作用下,触发源系统抖动和脉冲输出同步分散性分别达到2ns和36.6ps。电路结构上充分利用等间距电信号传输的原理,实现了快脉冲触发源模块化的设计。通过实验结果验证了所采用的设计原理及方法的可行性,给出了在外触发脉冲单次和重频(5kHz)作用下该同步快脉冲触发源输出的实验结果。
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| 关 键 词： | 模块化 高压雪崩管 同步 分散性 快脉冲信号 |
| 收稿时间： | 2015-03-05 |
Design of modularity fast pulse trigger with many channels in-phase |
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| Affiliation: | 1.Key Laboratory of Pulsed Power,Institute of Fluid Physics,CAEP,P.O.Box 919-107,Mianyang 621900,China |
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| Abstract: | Based on the fast semiconductor switch with high voltage and high power, PFN and the technology of the concentric and sameness space transfer, a modularity fast pulse trigger with many channels in-phase was designed. The above pulse trigger with a load of 50 can export two fast pulse trigger signals that is one signal with more than 20 V output voltage (four channels), less than 820 ps fall time, more than100 ns pulse width and another signal with more than 100 V output voltage (four channels), less than 1.4 ns fall time, more than100 ns pulse width, and with the exterior trigger, the jitter of the pulse trigger achieves 2 ns and the in-phase decentralization character of the pulse output achieves 36.6 ps. The experiment results of single exterior trigger and exterior trigger with 5 kHz repetitive frequency for the above modularity fast pulse trigger were given, and the experiment result validates the theory and method of the concentric and sameness space transfer. |
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