在FPGA或CPLD上实现的一中非常实用的倍频电路，只要输入频率高，精度就很高-the CPLD or FPGA to achieve a very practical frequency circuit, as long as the input frequency, on the high precision

在FPGA或CPLD上实现的一中非常实用的倍频电路，只要输入频率高，精度就很高-the CPLD or FPGA to achieve a very practical frequency circuit, as long as the input frequency, on the high precision