[ARC5] ARC5 Receiver Power Supply

[Ian Wilson]

If the receiver is running on 6.3VAC but the eye tube is a 1629,
you could make a voltage doubler to get to 12.6VDC with some
diodes, electrolytics and a dropper resistor or two.

73, ian K3IMW

On Wed, Apr 20, 2016 at 9:41 AM, Phillip Carpenter <carpenterpa at tds.net>
wrote:

> Mel's,
>
> My bad, the article is in Volume 2 on page 59.
>
> Also in that article all tubes have been changed to 6v heaters so the eye
> tube was a 6E5.
>
> Your going to have to determine if the receiver is still using 12v tubes
> or has been converted to 6v tubes ( just look at the tube numbers). Since
> the eye tube socket is an octal it is likely a 1629 which uses an octal
> socket. The 6E5 uses a large six pin socket though there are British
> 6E5GT/CV1906 eye tubes that are octal based.
>
> Phillip W4RTX
>
> Sent from my iPhone
>
> > On Apr 20, 2016, at 11:04 AM, Nels Anderson <nels at flightsim.com> wrote:
> >
> > I am helping an older ham friend clean out his garage, which includes
> some ARC5 related equipment. One item is a very nicely built home-brew
> power supply for ARC5 type receivers. It appears to be designed to directly
> replace the dynamotor and has a connector that would plug in right where
> the dynamotor would normally go.
> >
> > It's fairly simply, consisting of two transformers, a single OB2 tube
> and associated parts. Now the mystery is the extra pieces. There is an
> octal socket and a cable with an RCA connector on the end. He remembers
> that the socket was for a magic eye tube and the RCA connector would have
> connected somewhere in the receiver. But he cannot remember the details or
> exactly what eye tube type was used or what the function was.
> >
> > I can't believe this is an original design, so I bet it was published
> somewhere. I've done some Internet searching but have turned up nothing so
> far. Does this description sound familiar to anyone here and if so can you
> point me to more information on it?
> >
> > The goal would be to sell the supply to someone who can use it, but I'd
> like to be able to accurately describe what it is.
> >
> > 73 Nels K1UR
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