State the basic principle of piezoelectric crystal and draw the circuit diagram of crystal oscillator.

State the basic principle of piezoelectric crystal and draw the circuit diagram of crystal oscillator.
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Answer :

Basic Principle:

The main principle of a piezoelectric crystal is that a mechanical force, when applied on the crystal, it vibrates and produces electric charges on the crystal surface. When ac voltage is applied across crystal, it vibrates at the frequency of the applied voltage.

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