基于FPGA芯片的根管扩大仪的数字频率计设计

Design of the Digital Frequency-meter in the Pulp Canal Expander Based on FPGA

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。

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.