[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.) * 
* * * * * * * * * * * 
 

 
> 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
 		 	   		  


More information about the ARC5 mailing list