We were talking about this a short time ago. I was trying to reproduce the effect using my Rigol oscilloscope and my Feeltech scanning signal generator. Hallicrafters did a much better job. Thanks to the K9YA Telegraph for this picture.
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Crystal Radios • Re: Are D18 diodes realy the "holy grail"
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" is there anywhere else I should be looking for old radio parts?"
Yes, hamfests - if there are any in your neck of the woods.
See: http://www.arrl.org/ham...
1 hour ago
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