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Development and Verification of Indirect Lightning-Induced Transient Protection Circuit for Avionics System

机译:航空电子系统间接闪电诱导瞬态保护电路的开发与验证

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摘要

In this paper, an indirect lightning-induced transient protection circuit for avionics system is proposed, and its effectiveness is verified. The proposed circuit consists of a metal oxide varistor (MOV), a transient voltage suppression (TVS) diode, and a resistor. Compared with the conventional circuits (MOV or TVS diode), the improved noise suppression of the proposed circuit against indirect lightning strikes are experimentally verified in accordance with radio technical commission for aeronautics (RTCA) DO-160G Sec. 22. The highest attenuation levels of indirect lightning strike WF5A reference voltage and current signals are approximately 91.0% and approximately 98.4% for the input lightning signals, respectively.
机译:本文提出了一种用于航空电子系统的间接闪电诱导的瞬态保护电路,验证了其有效性。 所提出的电路包括金属氧化物变阻器(MOV),瞬态电压抑制(TVS)二极管和电阻器。 与传统电路(MOV或TVS二极管)相比,根据航空(RTCA)DO-160G SEC的无线电技术委员会,实验验证了对间接雷击的提出电路的改善噪声抑制。 22.间接雷击WF5A参考电压和电流信号的最高衰减水平分别为输入闪电信号的约91.0%和大约98.4%。

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