Improvement of Electrical Circuit of Dgital Clock
Liu Yi-biao · Journal of Guangdong Commication Polytechnic · 2005
This paper is focused on the introduction of a subject design of digital electronics-digital clock circuit im-provement. “Quartz crystal oscillator and frequency degredation circuit”make up second signal circuit and replace thesecond circuit originally made up of NE555. How to do it and the components of which are also introduced.