Electronics > Beginners

Crystal HC49 1813NR 2MHz (IQD)

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PerranOak:
I bought a crystal just to experiment with and see how it will work.

However, the datasheet had no example circuits and, even though I tried a few from the Tinterweb, I can get it to oscillate.

Does anyone have a simple circuit that will work please?

Cheers.

Zero999:
Have you just tried Googling 2MHz crystal oscillator schematic?

The image search comes up with lots of hits.
https://www.google.com/search?q=2MHz+crystal+oscillator+schematic&safe=active&client=firefox-b&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiVlb-f6_riAhVjoVwKHa_WBZAQ_AUIECgB&biw=1280&bih=900

PerranOak:
Cheers. I did try three but none worked. I wondered if there was a "tried and tested" one. I'll try that one.

bob91343:
A crystal behaves like a tuned circuit.  If your oscillator has enough gain but doesn't oscillate, you may have a bad crystal.  Try a different one.  If the Q is too low it won't have enough loop gain to oscillate.

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