本文介绍了一种新型的光纤光推动高压电流测量仪.该测量仪以80C196单片机为核心，采用MC14046B锁相环(PLL)电路，同时具有键盘显示功能，母板上的功能软件使用汇编语言编写.实验取得了令人满意的结果.%This paper presents a novel kind of fiber optically powered instrument for high-voltage line current. Equipped with MC14046B PLL circuit and keyboard/display function, the whole measurement system is based on single-chip computer 80C196. Functional software on board is written in assembly language. Our experiment has achieved satisfactory result.
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