[Milsurplus] Re: ARC-2

W2AGN w2agn at w2agn.net
Wed May 12 15:42:35 EDT 2004


On Wed, 12 May 2004, Hue Miller wrote:

>
> I wonder how you have dealt with the ARC-2's non-selectivity.
>
> I just came across, again, an article in old PE on a 2-terminal test oscillator
> using 2 FETs. My thinking was to connect it across the 1st IF and then
> to control the oscillator by using a pot instead of a fixed resistor in the
> first FET source lead. This would give you a Q-multiplier that used the
> resonant circuit of the ARC-2 equipment and so there's no tracking
> problem.
> -Hue Miller

Really hadn't worried about it yet. I use an AF filter for CW. Like the
idea you had though. I have an old Heath Q-multiplier, but need to check
on the IF of the ARC-2. Haven't had it long, and looking for a Maunual.

---
  _    _    _    _    _  John L. Sielke
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OK, QRPTTF was GREAT, now don't miss LAITF!
http://www.amqrp.org/contesting/laitf.html


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