Re: Best, easy way to protect NST?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "robert heidlebaugh" <rheidlebaugh-at-desertgate-dot-com> 

Jack: the "Terry filter" uses a low Q coil/wire wound resistor to protect
the NST from harmonics. That is the main component.
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Wed, 06 Oct 2004 17:45:19 -0600
 > To: tesla-at-pupman-dot-com
 > Subject: Re: Best, easy way to protect NST?
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Wed, 6 Oct 2004 17:56:10 -0600
 >
 > Original poster: "Jack Vandam" <snotoir7674g-at-mindspring-dot-com>
 >
 > Thanks for adding to the suggestions to use Terry's filter.  It certainly
 > looks like a robust design and should do the trick, remembering what I do
 > from my electonic days :)
 >
 > Thanks again,
 > Jack
 >
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Wednesday, October 06, 2004 1:26 AM
 > Subject: Re: Best, easy way to protect NST?
 >
 >
 >> Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com>
 >>
 >>
 >>
 >> Chokes can be used but may form a resonance with your xmfr's capacitance.
 >> It's better to use a "Terry filter" developed by Terry Fritz.  This uses a
 >> combination of caps, varisters, and resistors and does a great job of Q
 >> spoiling the RF that is trying to get from your tank circuit into your NST
 >> secondary.
 >>
 >> Dr. Resonance
 >>
 >>>
 >>> Around the web, I've noticed various coilers placing small, rf chokes
 > on
 >> the
 >>> output of their neon xformers.  Since I'm throwing together a coil
 > later
 >>> this week, I'm curious if there is any specific formula for these
 > chokes
 >> as
 >>> I'd like to add some protection to the NST I'll be using.  Also, how
 >>> effective is the protection offered by these chokes?
 >>>
 >>> Thanks,
 >>> Jack
 >>>
 >>>
 >>>
 >>
 >>
 >
 >