Pulse-echo method ultrasonic detection and envelope extraction circuit

The utility model discloses a pulse-echo method ultrasonic detection and envelope extraction circuit, which is applied to the field of echo detection of an ultrasonic transducer, is designed by adopting an integrated circuit chip aiming at the problems of high cost and large volume of the existing detection equipment, and particularly adopts a chip NE555P to generate a repetitive pulse control signal. A chip MAX4429 is adopted to amplify driving current, drive a power MOSFET tube and related circuits to realize repeated negative polarity high-voltage emission pulse output, a chip AD604 is adopted to realize low-noise amplification and gain adjustment of ultrasonic echo signals, a chip AD8045 is adopted to realize noise filtering of ultrasonic echoes, a chip AD8039 is adopted to realize envelope extraction of the ultrasonic echo signals, and the chip AD604 is adopted to realize low-noise amplification and gain adjustment of the ultrasonic echo signals. An integrated circuit chip LM1117-5V is adopted to realize