随着电子技术应用领域的日益扩大,电子产品的可靠性问题愈来愈多的困扰着维修人员。影响电子产品可靠性问题很多,其中噪声是最重要方面。所谓噪声即造成人或设备恶劣影响的干扰信号的总称。如:造成人身心不愉快感觉的音响、图像信号,机器错误工作的信号等。对待噪音的态度,犹如对待火灾的一样,事先要有足够的措施,否则既费经费又费时间。在电子产品的设计或试制时,防止噪声的工作条件要留有富裕的容限 With the increasing application of electronic technology, the reliability of electronic products more and more troubled maintenance personnel. There are many issues that affect the reliability of electronic products, of which noise is the most important aspect. The so-called noise that people or equipment adverse effects of interference signals in general. Such as: people feel unpleasant feeling of sound, image signals, the wrong signal machine and so on. The attitude of treating the noise is as if treating the fire as before, and sufficient measures must be taken beforehand. Otherwise, it will cost time and money. In the design or trial design of electronic products, the working conditions of preventing noise should be left with rich tolerance