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Re: measuring resonance



Original poster: Vardan <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>

Hi,

It is a BIG split core ferrite core... It "think" it is like 100:1. It has a grounded electrostatic shield between the primary and secondary windings but insolated so as not to present a shorted winding...

Cheers,

        Terry




At 09:05 PM 4/20/2006, you wrote:
Dear All,

At <http://www.abelian.demon.co.uk/tssp/tcma/>http://www.abelian.demon.co.uk/tssp/tcma/ Paul Nicholson mentions a Terry Fritz schematic that shows an interesting circuit called the "pinger". What is the transformer labeled CT? (center tap?)

Sincerely,
Miles