This paper designed a full circuit of ultrasonic telemeter without SCM, which includes the sending circuit, incept circuit, clock circuit, counting and showing circuit.

• 摘要该文设计了一种超声波测距数字电路实验装置，使用非单片机的方法设计了一个完整的超声波测距电路，包括超声波发射电路、接收整形电路、时钟电路、计数和显示电路。