A very useful project of a crystal tester circuit or xtal tester circuit built with only few components the circuit form an oscillator that will only oscillate if the under test crystal is in good working condition and the oscillator output voltage will be rectified by 1N914 diodes and filtered by 0.1uF capacitor and reach

to the Transistor T2 and turn it on due to which the LED will light.

Sponsored Links
Privacy Policy
Copyright 2012 CircuitDiagram.Org. All rights reserved.