心电图机浮地电路的设计与分析

The design and analysis of the suppositional grounding circuit of electrocardiography

本文分析了心电图机中浮地电路的隔离电源，隔离信号两部分线路。浮地部分的信号采用调制变压器传送到后级进行放大。

This paper describes the suppositional grounding circuit of isolation power and isolation sig nal of the electrocardiography. The signal of grounding part can be amplified through a medulated transformer.