The basic idea on the design of the automatic switcher for time comparison is clarified. And its function principles and some particular circuits are introduced.
本文说明了研制这一设备的一些基本思路，介绍了工作原理和主要的特殊电路。
A extendible Video-Audio Switcher circuit by hand-selecting or automatic sequential switching was intro duced.
介绍了手选和自动顺序切换均可任意扩展的视音频切换电路。
A extendible Video-Audio Switcher circuit by hand-selecting or automatic sequential switching was intro duced.
介绍了手选和自动顺序切换均可任意扩展的视音频切换电路。
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