摘要：本文讨论了电磁干扰（EMI ）的来源。它描述了气体避雷器，压敏电阻，抑制二极管，电感和铁氧体，电容器，串联电阻的设计如何保护设备。 EMI测试方法进行了阐述。Maxim > App Notes > Circuit protection General engineering topics Prototyping and PC-board layout Keywords: EMI, EMI protection, electrical noise, ESD, gas arrestor, varistor, suppressor diodes, chokes, ferrites, capacitors, series resistors, Aug 21, 2002 thermocouple, angular encodres, EMI immunity testing, motor control APPLICATION NOTE 1167 Practical Aspects of EMI Protection Abstract: Article discusses the sources of electromagnetic interference (EMI). It describes how designs with gas arrestors, a varistor, suppressor diodes, chokes and ferrites, capacitors, or series resistors protect equipment. Methods for EMI testing are described. Introduction More and more aspects of our lives depend on the uninterrupted operation of electronic equipment and appliances. "Drive by wire" and "……