Re: NST Filter

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

Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
> 
> Original poster: "Jason Petrou by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <jasonp-at-btinternet-dot-com>
> 
> Terry, Jonathon, Michael, all,
> Thanks for the help with the MOVs... i now see how they work - very clever
> invention!!! Im assuming that the capacitors / capacitor are high impendence
> for low freq. AC and low impendence for high freq ac, therefore shorting out
> all high frequencies that will otherwise go to the xfmr... is the value of
> the capacitor critical? for example could I use a 500pF 40KV cap for this,
> instead of lotsa dinky ones? Also is it neccecary to connect the whole thing
> symetrically to RF ground - ca you just put the whole thing between the two
> HV terminals?
> 
> Jason

	MOV's have a reasonably high capacitance, but don't have a ready
reference.  I wonder if it helps to use added capacitors when using
MOV's for protective devices.  Anyone thought about that?

Ed