fpga控制da产生幅值频率可调的正弦波程序-the fpga Control da produce the amplitude adjustable frequency sine wave program

单脉冲信号源，4路单脉冲信号，固定输出连续脉冲的信号源，频率可调连续脉冲信号源-Single pulse signal source, 4 single pulse signals, fixed output continuous pulse signal source, frequency adjustable continuous pulse signal source