本文从微弱信号的传送方式为设计的最根本准则,以接受信号的放大、检波、反向处理、以及传感器知识为基础描述了光电计数器的基电路构成单稳触发器、多谐振荡器的设计方法,重点在于掌握数字电路计数、译码、显示系统的工作原理及设计方法.%This article, taking transmission method of weak signal as the most fundamental principle of design, received signal's amplification, demodulation, reverse processing, and sensor knowledge as basis, describes the design methods of base circuit constituting monostable flip-flop and multivibrator of photoelectric counter, focus on mastering working principle and design methods of digital circuit counts, decode and display system.
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