This paper introduces the principle of the frequency division and presents the circuit design of the decimal frequency divider based on FPGA. The VHDL language is used for the programming.

• 摘要介绍了一种基于FPGA的小数分频器的分频原理及电路设计，并用VHDL进行编程实现，并对这种小数分频器的抖动进行分析和计算。