Several programmes on large screen digital display of temperature are discussed and an overallprogramme with a better performance, low price and a much simpler circuit is presented.
讨论了大屏幕数字温度显示的几种方案，介绍了一种性能、价格比优良，电路较简单的总体方案及其电路原理。
2
The dynamic comparator is adopted to eliminate the power dissipation, the large offset of the dynamic comparator can be eliminated by digital correction circuit.
设计中采用了动态比较器来降低功耗，其较大的失调误差可以通过数字校正电路进行校正。
3
Abstract: 555 timer which sets the analog, digital in one of the large scale integrated circuit has been widely used.