View single post by Keith Clark
 Posted: Feb 18th, 2007 01:16 PM
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Keith Clark

Joined: Dec 31st, 2006
Location: Clearwater, Florida USA
Posts: 1637
I forgot to make the point that what surprised me is that apparently a generated tone by audio software seems to not be a good substitute for an electronic circuit.

What's the difference between my previous experiments with recorded cd's and this one? The electronic circuit, (Black Box test circuit) uses a 555 integrated chip with oscillation. I'm also using two capacitors in the circuit.