Re: A Simple Radio Circuit

[Scott Rippetoe <rippetoe@tenet.edu>]

On Thu, 30 May 1996, Mark Sylvester wrote:

> I am reminded of one case when I *did* hear an unexpected AM 
> radio broadcast. Years ago I was fiddling with a 16mm projector, 
> where a light shines through the soundtrack onto a reflective 
> drum, and reflects into a photocell. Well, the broadcast from a 
> local AM station was distinctly, though faintly, audible through 
> the loudspeaker. I never did find out what the mechanism was.

We make one-string electric guitars in my class and under the right 
conditions we can pick up local AM stations, presumably through the 
pick-up coil acting as the antenna.

Scott Rippetoe					rippetoe@tenet.edu
Academy of Science and Technology		voice	(713) 292-2615
27330 Oak Ridge School Road			fax	(713) 298-3292
Conroe, Texas  77385