Re: 25 mfd? was Re: X-rays from light bulbs/Tesla Coils
Correct, a typo on my part, the value I meant was2500 mmfd (pf). It can go
depending on the size of the tube from about 1500pf to 2670pf.
----- Original Message -----
From: Tesla List <tesla-at-pupman-dot-com>
Sent: Monday, September 20, 1999 2:52 PM
Subject: 25 mfd? was Re: X-rays from light bulbs/Tesla Coils
> Original Poster: "Reinhard Walter Buchner" <rw.buchner-at-verbund-dot-net>
> Hi Mike,
> > Original Poster: "Mad Mike" <mglass-at-netusa1-dot-net>
> > Yes the graphite coating on the outside and the iron oxide coating on
> > interior of the funnel which is connected to the anode the shadow mask
> > form a capacitor at a value of about 25 mfd
> > which is used as a filter for the high voltage, I imagine they would
> > for a TC if a few were hooked together leyden jar fashon.
> Do you really mean 25 MFD?? All CRTs I have seen and measured
> have a few hundred picofarad at best.
> Coiler greets from Germany,