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crystal tester

I put together a little crystal tester circuit that I found on w2aew’s youtube channel.

It works well. I built it almost exactly the same way that Alan does in his video.

crystal_tester_web

You can see the sockets that were added to easily swap crystals in and out of the circuit.

Here is the schematic.

crystal_tester_schematic_web

And here is the resulting waveform for one of the crystals that I tested in the circuit.

crystal_tester_waveform_web

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