Re: RF Ground Connections - Wire Type

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

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>


> Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<evp-at-pacbell-dot-net>
>
> > Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <jimlux-at-earthlink-dot-net>
> > > Origin
> > >
> > > Now to the practical aspects.  An RF ground, good or bad, will have
> > > virtually no effect on the coil's performance.  Several list members
have
> > > accidentally forgotten to connect their secondary base to a ground of
any
> > > sort, and there was NO impact on performance!  The real reason for
using a
> > > ground has more to do with preventing RF interference and HV RF
nasties
> > > from entering your house wiring.
> >
> > RF grounds (in the form of a counterpoise) have a huge effect on the
> > performance of my small TC...
>
> Even when it's tuned for each configuration?
>
Yep.. hypothesis: the counterpoise forms the other "plate" of the topload
capacitance, and, since the counterpoise is closer (i.e. on the table), as
opposed to the floor, the C is greater, so more stored energy in topload.
Also, less loss resistance in the secondary circuit.


> >
>