> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of jeremy-ca
> Sent: Wednesday, March 19, 2008 5:09 PM
> To: garyschafer@comcast.net; 'Amps @Contesting.com'
> Subject: Re: [Amps] Power transformer for 600 watt rig
>
>
> ----- Original Message -----
> From: "Gary Schafer" <garyschafer@comcast.net>
> To: "'jeremy-ca'" <km1h@jeremy.mv.com>; "'Amps @Contesting.com'"
> <amps@contesting.com>
> Sent: Wednesday, March 19, 2008 4:33 PM
> Subject: RE: [Amps] Power transformer for 600 watt rig
>
>
> >
> >
> >>> Now with good solid state diodes chokes are a
> >> > thing of the past in power supplies that need good dynamic
> regulation.
> >>
> >>
> >> I thought you said a tuned choke was needed for that?
> >>
> >> A swinging choke and a low value cap can provide virtually identical
> >> performance to a fat cap or string. It comes down to a trade off in
> whats
> >> available and at what cost as well as size, weight and longevity.
> >>
> >
> > No I said that if you were going to use a choke that it should be a
> tuned
> > choke. There is no way that you will get good dynamic regulation with a
> > regular choke or a swinging choke in an SSB power supply verses a
> > capacitor
> > only filter.
>
>
> And you continue to dance to your own drummer and ignore over 70 years of
> proven application.
>
>
> Static regulation may be fine with a choke but not dynamic
> > regulation.
>
>
> That makes absolutely no sense.
>
>
> >
> > Look again at what Jim Tonne posted and look at his spice model and you
> > will
> > see the large dip as the load is supplied and the ringing.
>
>
> Models are only as good as the modeler. Ive no interest in reinventing the
> wheel and wasting my time on supplies for SS.
>
>
> > Maybe Jim will post the model of the high voltage supply he is working
> on.
>
>
> Id rather see the actual supply results.
>
> Carl
> KM1H
>
>
> >
> > 73
> > Gary K4FMX
I would suggest that you might want to read some of the modern stuff on
power supplies but if you have no interest and feel it is a waste of time
then this discussion is pointless.
73
Gary K4FMX
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