The method of design of ten's carry reversiblecounter by use of common array logic element GAL is introduced.
介绍用通用阵列逻辑器件GAL设计十进制可逆计数器的方法。
2
Anoiher signal with 90 degree delay is obtained by phase shift circuit. The accurate and stable circle counting is done by a reversiblecounter.
通过移相电路获得相差90度的另一路信号,然后用可逆计数器实现稳定准确的周期计数。
3
Conventional electronic finely-divided and reversiblecounter have been replaced by computerizing and CRT display in the process of collecting and read-out the coordinate signal.