强激光与粒子束2026，Vol.38Issue(7)：62-70,9.DOI:10.11884/HPLPB202638.250445
基于漂移阶跃恢复二极管的磁饱和变压器脉冲源研制
Development of the magnetically saturated transformer pulse source based on drift step recovery diode
王圣宇 1孙乐嘉 1郭京凯 1周瑜 1汤晓燕 1张玉明 1宋庆文1
作者信息
- 1. 西安电子科技大学 集成电路学部,西安 710071
- 折叠
摘要
Abstract
[Background]Drift step recovery diodes(DSRDs)are widely applied as high power semiconductor opening switches due to their fast recovery behavior and stable operation.When combined with magnetically saturated transformers,they provide an effective solution for generating high voltage nanosecond pulses.However,the pulse formation process is jointly influenced by magnetic saturation,resonant behavior,and circuit parameters,which increases the difficulty of parameter selection and compact implementation.[Purpose]This study aims to investigate a DSRD based magnetically saturated transformer pulse source and to clarify the role of key parameters in the pulse formation process.The objective is to establish a practical parameter design approach that supports compact structure,high repetition operation,and stable output performance.[Methods]The operating principle of the DSRD is first analyzed,and a pumping circuit is designed by combining the device characteristics with the boosting and magnetic saturation properties of the transformer.Based on classical models of magnetically saturated transformers and LC resonance,the relationships among saturation time,secondary current rise rate,and peak current are analyzed qualitatively and calculated quantitatively.These calculations are used to determine the parameter range of the experimental prototype.Circuit simulations are carried out under a repetition frequency of 1 kHz to verify the feasibility of the proposed topology and parameter configuration.Experimental investigations are then conducted to study the influence of transformer turns ratio,core cross sectional area,primary and secondary capacitances,and core material on the pulse output characteristics.[Results]The experimental results show that,with a charging voltage of 700 V,the developed pulse source generates a high voltage pulse with an amplitude of approximately 15.9 kV and a rise time of about 11.7 ns across a 75 Ω resistive load.Stable operation is achieved at a repetition frequency of 1 kHz.The experimental observations are consistent with theoretical analysis and simulation results.[Conclusions]The proposed analysis and design approach provides practical guidance for parameter selection in DSRD based magnetically saturated transformer pulse sources.The results support compact implementation and reliable operation under high-repetition conditions,and offer reference for further optimization of high voltage nanosecond pulse systems.关键词
漂移阶跃恢复二极管/磁饱和变压器/脉冲源/重复频率/磁开关Key words
drift step recovery diode/magnetic saturation transformer/pulse generator/repetition frequency/magnetic switch分类
信息技术与安全科学引用本文复制引用
王圣宇,孙乐嘉,郭京凯,周瑜,汤晓燕,张玉明,宋庆文..基于漂移阶跃恢复二极管的磁饱和变压器脉冲源研制[J].强激光与粒子束,2026,38(7):62-70,9.
