Re: [TCML] RF Filters

["Phillip Slawinski" <pslawinski@xxxxxxxxx>]

http://www.delta.com.tw/product/cp/emi/general_two/download/pdf/DR.pdf

One of the filters is 20DRGG5.  The other filter is much smaller, and does
not have a schematic on it.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=130230886848

On Tue, Jun 24, 2008 at 12:29 PM, Lau, Gary <Gary.Lau@xxxxxx> wrote:

> I've never seen an RC or RCL mains filter.  Running 20A through a resistor
> would waste just too much power.  I guess I'd need to see an actual circuit
> schematic to comment further.
>
> Realize too that the attenuation of common tank frequencies in most EMI
> mains filters is actually pretty poor, if you read the specs.  They are
> intended for higher frequencies.  I use an EMI filter, only because they're
> cheap and small.  But I have little hope that it makes a real impact towards
> reducing RF interference in the house.  To reduce the risk of _damage_ in
> the house, I use 250V MOV's from Line and Neutral to green-wire ground.
>
> Regards, Gary Lau
> MA, USA
>
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > Behalf Of Phillip Slawinski
> > Sent: Tuesday, June 24, 2008 11:28 AM
> > To: Tesla Coil Mailing List
> > Subject: Re: [TCML] RF Filters
> >
> > Mains filters.  One is a RCL the other filter appears to just be an RC
> [much
> > smaller size for the same amperage rating].
> >
> > On Tue, Jun 24, 2008 at 8:26 AM, Lau, Gary <Gary.Lau@xxxxxx> wrote:
> >
> > > That's something like asking if one can take more than one prescription
> > > drug at a time.  You need to specify exactly what kind of filter and
> what
> > > the goal of the filtering is.
> > >
> > > Is this on the AC mains, or between the gap and the HV xfmr (i.e. a
> Terry
> > > filter), or are you talking about some other type of RF filter (that's
> a
> > > very general term).
> > >
> > > Gary Lau
> > > MA, USA
> > >
> > > > -----Original Message-----
> > > > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > > > Behalf Of Phillip Slawinski
> > > > Sent: Monday, June 23, 2008 11:25 PM
> > > > To: Tesla Coil Mailing List
> > > > Subject: [TCML] RF Filters
> > > >
> > > > Is it okay to run RF filters in series?  Does it improve filtering /
> or
> > > does
> > > > it hurt it?
> > >
> > > _______________________________________________
> > > Tesla mailing list
> > > Tesla@xxxxxxxxxxxxxx
> > > http://www.pupman.com/mailman/listinfo/tesla
> > >
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
>
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla