数字钟实验电路的设计与仿真  

Experimental digital design and simulation of clock circuit

作　　者：李悦 孔维成 王宏干 杨海明 

机构地区：[1]总参通信训练基地,河北宣化075100

出　　处：《电子设计工程》2012年第14期5-7,共3页Electronic Design Engineering

摘　　要：基于Multisim 10软件对数字钟电路进行设计和仿真。采用555定时器产生秒时钟信号,用时钟信号驱动计数电路进行计数,将计数结果进行译码,最终在LED数码管上以数字的形式显示时、分、秒时间。The circuit of digital clock be designed and simulated based on Multisim 10.Using the 555 timer to generate a 1Hz clock signal.With the clock signal,drive counting circuit to count.Decoding the result of the count.The ultimate,display the hour numbers and minute numbers and seconds numbers on the LED digital tube in digital form.

关 键 词：数字钟 555定时器 计数器 LED数码管 

分 类 号：TN791[电子电信—电路与系统]