A Two-Stage DSRD-Based High-Power Nanosecond Pulse Generator

被引：12
作者：
Nikoo, Mohammad Samizadeh [1 ]
Hashemi, Seyed Morad-Ali [2 ]
Farzaneh, Forouhar [1 ]
机构：
[1] Sharif Univ Technol, Dept Elect Engn, Tehran 11155, Iran
[2] Sharif Univ Technol, Electromagnet Res Lab, Tehran 11155, Iran
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2018年 / 46卷 / 02期
关键词：
Drift step recovery diode (DSRD); nanosecond pulse generation; pulsed power; spark gap; RECOVERY; KV;
D O I：
10.1109/TPS.2018.2792331
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Drift step recovery diodes (DSRDs) have a special place in high-power short-pulse generation. In this paper, a cascaded configuration of two DSRD-based high-power short-pulse generators with gas discharge switches was used. The high-power pulses generated in the first stage feed the second stage in order to generate shorter pulses with higher peak powers. A prototype was implemented based on this idea. In the first stage, 1.2-kV pulses were generated from a 50-V power supply. At the output of the second stage, 2.1-kV pulses with a repetition rate of more than 50 Hz were obtained. The output peak voltage was limited by the breakdown voltage of the used DSRD. Repetitive pulses with 4-ns rise time and 1.3-kW peak power were obtained. The maximum input power was 4.1 W which showed 320 times increase in the peak power. The maximum efficiency of 20% was obtained.
引用
收藏
页码：427 / 433
页数：7
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