基于FPGA芯片的根管扩大仪的数字频率计设计

摘要

This paper introduces how to design the digital frequency-meter in the pulp canal expander based on FPGA. The digital frequency-meter has advantages of small volume, good reliability and low failure ratio, and is worthy to be popularized.%采用FPGA芯片开发根管扩大仪控制电路的数字频率计,使所开发的电路具有体积小,工作稳定可靠,故障率低等优点,具有推广应用的价值.