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Subject: Radon Detector

Date: 12/31/00 at 5:40 PM
Posted by: Thomas Quick
E-mail: tjquick@uakron.edu
Message Posted:

I would like to build a solid state radon detector. We have
a project that requires several units. I saw one that used
only two op amps, several capacitors and resistors, and a
five volt regulator. The detector looks like a average silicon
photo cell about an inch square. The photo cell and one op amp
was shielded with thin tin/metal. The company that made the
device is gone and I no longer have the model. Any ideas
or schematics. The unit did have a display, however I don't
require it since the pulses would be feed into a event counter.

Thanks much

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