数字万用表功能扩展——测电源内阻线路设计

THE EXTENDED FUNCTION OF A DIGITAL MULTIMETER MEASURING THE INTERNAL RESISTANCE OF A POWER SUPPLY

通过改进数字万用表的电路 。

This article introduces an improved circuit of the digital multimeter,which is designed for measuring the internal resistance of a power supply. And the result measured will be shown in a digital form.