摘要
针对小型电源适配器产品噪声的特点,提出了一种小型电源适配器的噪声测试方法。介绍了该噪声测试系统的原理和各个组成部分,并对小型电源适配器工作时产生的噪声进行了测量,结合所测得的噪声信号对电源适配器的噪声特性进行了研究,为小型电源适配器降噪设计改进提供了一定的参考。
Aiming at the noise characteristics of small power adapter, a noise measurement method of small power adapter is put forward. The principle of the noise test system and its components are introduced, and the noise generated by the operation of the small power adapter is measured. Besides, combining with the measured noise signal, the noise characteristics of the power adapter are studied, which provides some reference for the improvement of the noise reduction design of the small power adapter.
出处
《电子产品可靠性与环境试验》
2017年第2期49-52,共4页
Electronic Product Reliability and Environmental Testing
关键词
电源适配器
噪声特性
测量方法
power adapter
noise characteristic
measurement method