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国际上、半导体光电耦合器的生产和应用发展很快,其应用范围已扩展到:计测仪器、精密仪器、工业用电子仪器、计算机及其外部设备、自动售货装置、通信机、信号机和道路情报系统、电力机械、医用电子仪器、音响机等等设备.国内正在引起大家的重视,应用方面的呼声也很高.本文在介绍半导体光电耦合器的驱动电路和输出电路的基础上,叙述了它们在隔离、抑制噪声和无触点继电器等方面的应用.
Internationally, the development and application of semiconductor optocouplers are developing rapidly. Their applications have been extended to: measuring instruments, precision instruments, industrial electronic instruments, computers and their external devices, vending machines, communicators, signalizers And road intelligence systems, electrical machinery, medical electronic equipment, audio equipment, etc. Domestic are arousing the attention of everyone, the voice of the application is also very high.This paper introduces the semiconductor optocoupler driver circuit and output circuit, Describes their applications in isolation, noise suppression and contactless relays.