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EDN电子技术设计
16 天
用一颗吃灰的LM317,手搓高精度工业接口转换器
基于LM317稳压器的精密电流转换电路,可将0-20mA信号转换为标准4-20mA两线式工业电流回路… 最近我在设计实例(DI)单元发表了 ...
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