Re: First magnifier

• To: tesla-at-PUPMAN-dot-com
• Subject: Re: First magnifier
• From: Teslaman-at-aol-dot-com (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Wed, 21 Apr 1999 11:51:31 -0600
• Approved: twf-at-verinet-dot-com

In a message dated 4/20/99 6:00:01 AM Central Daylight Time, tesla-at-pupman-dot-com 
writes:

> Hi John

   Looks like there is more work to do on this matter.  A larger driver will 
probably be built soon along with higher output transformer.

Thanks

Kevin E.


>  I'd say it's all related to the ratio of inductances between the secondary
>  and the extra coil, and the effective coupling that results, along with the
>  driver coupling.  If the extra coil inductance is too high vs. the 
secondary
>  inductance, the effective coupling will be too low.
>  
>  Antonio M. DeQueroz posted the following formula some time ago
>  which can be used to calculate the effective coupling of a magnifier:
>  
>            Ke = Kd*sqrt[Ls/(Lr+Ls)]
>  
>  Where:       Ke = effective coupling
>                    Kd = coupling of driver
>                    Ls = inductance of secondary
>                    Lr = inductance of extra coil
>  

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