[ARC5] Potentiometer value needed
D C _Mac_ Macdonald
k2gkk at hotmail.com
Sat Aug 9 23:54:57 EDT 2014
I was referring to dual pots on concentric shafts (1/4" and 1/8") separately adjustable, but on a single axis.
Yes, probably impossible to find, but who knows?
* * * * * * * * * * *
* 73 - Mac, K2GKK/5 *
* (Since 30 Nov 53) *
* k2gkk hotmail com *
* Oklahoma City, OK *
* USAF & FAA (Ret.) *
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> From: kgordon2006 at frontier.com
> To: arc5 at mailman.qth.net
> Date: Sat, 9 Aug 2014 20:37:12 -0700
> Subject: Re: [ARC5] Potentiometer value needed
>
> On 9 Aug 2014 at 20:37, D C _Mac_ Macdonald wrote:
>
> >
> > I wonder if a concentric (dual) wirewound pot could be found
> > to serve as both RF/IF gain AND audio gain controls.
>
> That sort of thing only works well when the receiver is set in AGC mode for
> AM. I thoroughly dislike that method of gain control. Many military receivers,
> like the BC-348, RCH, etc., used that method and it is a terrible method in
> my opinion. Separate RF and AF gain controls give much more freedom to
> adjust things the way you want them.
>
> > OR a
> > pair of miniature pots for that purpose?
>
> I mount 'em on the front "panel". There is JUST enough room.
>
> Ken W7EKB
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