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#15

08-15-2015, 11:11 AM

jr_tech

VideoKarma Member

Join Date: Sep 2009

Posts: 4,573

Quote:

Originally Posted by old_coot88

In order to produce multiple bars, it'd hafta run at some multiple of the line frequency. Seems like that would require an active device of some kind. Tunnel diode maybe?

Perhaps a neon bulb???

This is a fun puzzle!

jr

Audiokarma

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