射频前端强电磁脉冲防护模块设计

李亚南; 谭志良; 宋培姣

doi:10.11884/HPLPB201830.170194

射频前端强电磁脉冲防护模块设计

doi: 10.11884/HPLPB201830.170194

陆军工程大学静电与电磁防护研究所, 石家庄 050003

基金项目:

国家自然科学基金项目 51277179

详细信息

作者简介:
李亚南(1988－), 男，博士，从事电磁防护理论与技术研究；lynang@126.com

中图分类号: TM937
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出版历程
- 收稿日期: 2017-06-02
- 修回日期: 2017-09-06
- 刊出日期: 2018-01-15

Simulation and design of RF front end electromagnetic protection module

Research Institute of Electrostatic and Electromagnetic Protection, Army Engineering University, Shijiazhuang 050003, China

摘要

摘要: 基于PIN二极管射频限幅的原理，分析了尖峰泄露产生的原因并提出了解决方法。在此基础上采用无源多级PIN二极管结构，提取相应防护电路的S参数，以设计优化匹配网络，研制了工作于1~200 MHz、插入损耗小于0.156 dB、响应时间小于1 ns的射频前端电磁脉冲防护模块。结合PIN二极管模型，利用ADS仿真软件对电磁脉冲防护模块限幅性能进行仿真，并对加工出来的电磁脉冲防护模块进行了测试，结果验证了各项指标满足要求。
- PIN二极管 /
- 尖峰泄露 /
- ADS /
- 插入损耗 /
- 防护模块
Abstract: This paper studies the principle of radio frequency limiting of PIN, and analyzes how the spike leakage occurs in EMP protection and how to restrain it. On this basis, the structure of passive multi-stage PIN diode is adopted. Through the establishment of its field simulation model, the corresponding S parameters are extracted, and the optimal matching network is optimized. The electromagnetic pulse protection module which works at 1-200 MHz with insertion loss of less than 0.15 dB, VSWR of less than 1.4 dB, response time of less than 1ns is designed. Combined with PIN diode model, ADS simulation software is used to simulate the limiting performance of electromagnetic pulse protection module. The result shows that all the indexes meet the requirements.
- PIN diode /
- spike leakage /
- ADS /
- insertion loss /
- electromagnetic protection

HTML全文

图 1 脉冲激励下的尖峰泄露仿真图

Figure 1. Spike leakage simulation circuit

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图 2 尖峰泄露影响因素分析

Figure 2. Influence factor on spike leakage

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图 3 防护模块仿真原理图

Figure 3. Simulation schematic diagram of EMP protection module

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图 4 插入损耗与驻波比

Figure 4. Insertion loss (IL) and VSWR

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图 5 限幅器仿真结果

Figure 5. Simulation results of limiter

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图 6 防护模块实物图

Figure 6. Electromagnetic protection module

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图 7 防护模块插入损耗测试图

Figure 7. Measured IL of electromagnetic protection module

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图 8 测试方波波形

Figure 8. Test square waveform

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图 9 防护模块限幅输出电压波形图

Figure 9. Limiting output waveform of protection module

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图 10 连续方波脉冲的限幅波形图

Figure 10. Limiting output waveform of continuous square wave pulse

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