摘要
介绍了一种用于无损检测的超声波发射电路,以MAX038和单片机为核心器件,辅以DA数模转换器、高速运算放大器以及逆变电路,实现了低成本、高精度、频率连续可调的超声波发射电路。
An ultrasonic transmit circuit based on MAX038 is introduced.The control component is STC89C52,and the circuit is also composed by DAC,high speed operational amplifier and inverter circuit.This ultrasonic transmit circuit can carry out low cost,high precision and the frequency can controlled by the program.
出处
《机电工程技术》
2011年第8期46-47,202,共2页
Mechanical & Electrical Engineering Technology