Question

英语翻译设计一个采用数字电路实现,对时,分,秒.数字显示的计时装置,周期为24小时,显示满刻度为23时59分59秒,并具

Answer 1

Digital circuit design using a realization of,hours seconds.The timing device figures,cycle for 24 hours to show full scale 23:59:59,with school functions and the functions of the digital electronic timer bell.Circuits used in the main scale CMOS IC.By the pulse of the system logic circuit design circuit modules,the clock pulse modules,power modules,clock decoding show circuit modules,the modules,cables,modules,and other parts of the school.Used batteries for power,the use of low consumption of CMOS chips and liquid crystal displays,generator use quartz Jingzhen,double-counting oscillator CD4060 and CD4013 D capability,a synchronous motor double metric counter CD4518,Suocun encoder is CD4543,the cable circuit,with CD4082,CD4011 and loudspeakers composition.