TI心电图前端设计考虑

Electrocardiogram(ECG)Front End-Successfully meeting the signal acquisition challenge requires knowledge of the signal source,good design practice,and ICs with appropriate characteristics,features and performance.获取更多权威电子资料请登陆www.eepw.com.cnTI心电图前端设计考虑Electrocardiogram(ECG)Front EndElectrocardiogram(ECG)Front End-Successfully meeting the signal acquisition challenge requiresknowledge of the signal source,good design practice,and ICs with appropriate characteristics,featuresand performance.Design ConsiderationsSignal Acquisition ChallengesThe action potential created by heart wall contraction spreads electrical currents from the heartthroughout the body.The spreading electrical currents create different potentials at different points on thebody,which can be sensed by electrodes on the skin surface using biological transducers made ofmetals and salts.This electrical potential is an AC s