SSN college Notes for Engineering Physics I(182101,PH2111) , Ultrasonics

Unit I Ultrasonics

Todays Agenda
„« Piezoelectric effect
„«X-cut and Y-cut crystals
„« Production of ultrasonic waves
- Piezoelectric method

Learning Objectives
At the end of this session you should be able to:
„« Define piezoelectric effect
„« Differentiate between X-cut & Y-cut crystals
„« Draw circuit diagram for a piezoelectric oscillator
„« State the advantages / limitations of a piezoelectric
ultrasonic generator