10 kV百纳秒前沿百微秒方波脉冲源的研制

唐梦媛; 蒋泽赟; 丁卫东

doi:10.11884/HPLPB202436.240092

10 kV百纳秒前沿百微秒方波脉冲源的研制

doi: 10.11884/HPLPB202436.240092

西安交通大学电气工程学院，西安 710049

详细信息

作者简介:
唐梦媛，17740120657@163.com

通讯作者:
丁卫东，wdding@xjtu.edu.cn。

中图分类号: TM832
计量
- 文章访问数: 43
- HTML全文浏览量: 14
- PDF下载量: 3
- 被引次数: 0
出版历程
- 收稿日期: 2024-03-13
- 修回日期: 2024-05-07
- 录用日期: 2024-04-28
- 网络出版日期: 2024-05-18

A 10 kV hundred-nanosecond risetime hundred-microsecond pulse width rectangular pulse source

School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China

摘要

摘要: 针对宽频测量系统量值传递需求，基于Marx电路设计了一款单极性方波脉冲源。该脉冲源以MOSFET器件为核心，采用光纤隔离驱动方案实现10 kV的方波脉冲输出。采用叠层结构搭建12级样机，实现了脉冲发生器的模块化与小型化。实验结果表明：该方波脉冲源在带300 pF以下的容性负载时可实现前沿小于百纳秒、输出电压kV级别、脉宽200 μs的脉冲输出。该电源适用于宽频测量设备的方波响应性能实验等脉冲功率相关用途。
- 脉冲源 /
- 容性负载 /
- MOSFET /
- Marx /
- 长脉宽
Abstract: For requirement of quantity transmission in broadband measurement system, a unipolar rectangular pulse source is designed to realize 10 kV rectangular wave pulse output with MOSFET as the core component based on Marx circuit. The modular and miniaturization of the pulse generator is realized by using the stack structure to build the 12-stage prototype. The experimental results show that when the input voltage is 850 V, the proposed pulse source can generate a fast output pulse with 10 kV maximum voltage, rise time less than 100 ns, 200 μs pulse width under the capacitive load below 300 pF. The power supply can be used in rectangular wave response performance test of broadband measuring equipment or pulse power related applications.
- pulse source /
- capacitive load /
- MOSFET /
- Marx /
- wide pulse width

HTML全文

图 1 基于固态开关的Marx发生器拓扑原理

Figure 1. Marx generator topology principle based on solid state switch

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图 2 单层四级PCB设计实物图

Figure 2. Top and bottom view of the pulse generator

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图 3 驱动电路和控制电路设计示意图

Figure 3. Drive circuit and control circuit design diagram

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图 4 方波源结构实物图

Figure 4. Square wave source structure diagram

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图 5 性能测试平台

Figure 5. Performance test platform

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图 6 带100 pF电容负载输出电压波形

Figure 6. Output voltage waveform with 100 pF capacitive load

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图 7 方波源带载50 pF、100 pF的输出电压波形

Figure 7. Output voltage waveform of 50～300 pF capacitive load

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表 1 不同容值负载下的输出电压和上升时间

Table 1. Output voltage and rise time under different capacitance loads

capacitance/pF	charging voltage/V	output voltage/kV	rise time/ns	overshoot/%	flattop declination/%
50	800	9.46	77	2.83	1.46
100	800	9.46	84	4.99	1.46
150	800	9.37	95	2.97	2.40
200	700	8.02	100	0.01	4.52
250	500	5.89	100	0.69	1.83
300	300	3.55	108	0.06	1.39

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