一种基于电容的电磁全隔离直流电源传输电路
作者:郑乐 上传时间:2007-1-25 14:39:52
摘要:本文提出一种基于电容的直流电源传输电路。利用电容存储电荷的特性,在单片机的控制下,该电路可以使输入与输出之间不存在电磁耦合通路。因此该电路不仅可以提供稳定的输出电压,而且可以完全隔离来自输入端的电磁干扰。
叙词:电容,电磁隔离,单片机,MOS管,光电耦合器
Abstract:A DC supply circuit based on capacitors is presented in this paper. By utilizing the capacitors’ character of storing charges and under the control of MCU, there is no path allowing electromagnetic coupling. Thus this circuit can not only provide stable output voltage, but also offer complete electromagnetic isolation.
Keyword:capacitor, electromagnetic isolation, MCU, MOS, phototube
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