Miniature crystal oscillator

Miniature crystal oscillator: Nowadays, with the advent of SMT (surface mount technology), it is possible to construct tiny circuits. In the case of crystal oscillators, however, this may not always be feasible because of the size of the crystal. Fortunately, Statek, a specialist crystal manufacturer, produces crystals measuring only 8x4x1 mm for SMT. Together with ad inverter an four passive components, such a crystal makes it possible to make a true miniature.A stable oscillator as shown.

The circuit works very well up to frequencies of 16 MHz if an HC-IC is used. With an HCT-IC, the maximum frequency was found to be about 8 MHz.

Finally, the circuit works perfectly all right with standard components as well.
Miniature crystal oscillator Schematic diagram

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