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Re: 2 stage TC possible? (fwd)



---------- Forwarded message ----------
Date: Mon, 24 Sep 2007 13:04:38 -0300
From: Antonio Carlos M. de Queiroz <acmdq@xxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: 2 stage TC possible? (fwd)

Tesla list wrote:
> ---------- Forwarded message ----------
> Date: Mon, 24 Sep 2007 02:37:07 +0000
> From: David Rieben <drieben@xxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Cc: drieben@xxxxxxxxxxx
> Subject: Re: 2 stage TC possible? (fwd)
>
> Marko, all,
>
> Isn't that kind of the way a magnifier works?
>   
No. A magnifier can be seen as a simple resonator (the third coil) 
driven from a Tesla coil. A cascade of two Tesla coils would have two 
spark gaps, or equivalent.
You can build a low-frequency Tesla coil, excited from a large capacitor 
charged from the power line and connected to a cored Tesla transformer 
by a mechanical or electronic switch (or a spark gap), and use its 
output to charge the primary capacitor of a conventional high-frequency 
Tesla coil. The secondary capacitance of the first transformer would be 
the primary capacitance of the second transformer. It seems more 
practical to use an induction coil instead of a Tesla coil in the first 
stage.
Marconi used a double Tesla coil system to power his transmitter in the 
first radio transmission across the Atlantic in 1901. Look for the 
schematic diagram here:
http://ewh.ieee.org/reg/7/millennium/radio/radio_differences.html
http://www.cqham.ru/image/trx_marconi.gif

Antonio Carlos M. de Queiroz