基于超声波的发射和接收电路设计

The design of transmitting and receiving circuit based on ultrasonic

超声波具有广泛的工程应用,超声波的发射电路和接收电路是超声检测系统的关键部分。本文介绍了超声波的发射电路和接收电路的隔离、滤波、放大、检波等过程,并分析各个电路的原理。

Ultrasonic has been widely applied in engineering projects. The circuit design of transmitting and receiving unit is the core of ultrasonic system. This paper introduces the transmitting unit and receiving unit including limiting circuit,pre-amplifier circuit, filter circuit, gain amplifier circuit and detecting circuit, and analyzes them.