Re: RF filter

• To: tesla-at-PUPMAN-dot-com
• Subject: Re: RF filter
• From: "Dr. Resonance" <Dr.Resonance-at-next-wave-dot-net> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Wed, 21 Apr 1999 11:41:56 -0600
• Approved: twf-at-verinet-dot-com

to: Alan

It is quite simple.  I assume you are using a NST.  Run a resistor off each
bushing (500-1500 Ohms).  Next, from the end not connected to the HV bushing
you run a small cap to ground (50-150 pF value).  Also from this common
connection you run through one more resistor (same value) to your sparkgap.
Essentially, two resistors in series with a cap to ground from each common
connection point on the two resistors.  Mirror image this setup on the
opposite bushing.  Always run the main sparkgap parallel to the output ---
never to the cap.

Regards,

Dr.Resonance-at-next-wave-dot-net




-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Tuesday, April 20, 1999 2:01 AM
Subject: RF filter


>Original Poster: ARSONIST01-at-aol-dot-com
>
>Does anyone have a good set of step by step instrucitions to build that
Terry
>Design for one that will protect your NSTs?
>thanks.
>alan
>

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