[ARC5] ARC-5 as VFO

[Fuqua, Bill L]

  I remember in the 60's an article about linear tuning using an ARC-5 capacitor.
There are a lot of turns of the knob to get from one end to the other of the dial and
over a small range it was fairly linear.
  73
Bill wa4lav

________________________________________
From: ARC5 [arc5-bounces at mailman.qth.net] on behalf of Michael St. Angelo [mstangelo at comcast.net]
Sent: Sunday, November 22, 2015 2:35 PM
To: kgordon2006 at frontier.com; Arc5 at mailman.qth.net
Subject: Re: [ARC5] ARC-5 as VFO

Ken,

I found the article on the ARRL Periodicals Search:

Linear Tuning with a War Surplus Capacitor
HAM RADIO JUN 1989 (PG. 40)
Pivnichny, John, N2DCH

Mike N2MS



-----Original Message-----
From: ARC5 [mailto:arc5-bounces at mailman.qth.net] On Behalf Of Kenneth G.
Gordon
Sent: Friday, November 13, 2015 2:13 PM
To: Arc5 at mailman.qth.net
Subject: Re: [ARC5] ARC-5 as VFO

On 13 Nov 2015 at 18:36, mstangelo at comcast.net wrote:

> There was an article in Ham Radio magazine discussing the stability of
> the variable capacitors used in Command Set transmitters.
>
> It did mention the tpye of metal used in the construction; I don't
> remember if it referred to the MO capacitor or all of the variables used
in the set.
>
> I'll have to dig out that article.

Boy! Would I ever love to see that!

Ken W7EKB

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