Re: [IRCA] More phaser musings

["Bill Harms" <wharms@xxxxxxxxxxxxxx>]

Walt:

	Fine tuning pots could be one solution I suppose.  I have never 
tried them.  On my Quantum phaser, I retro-fitted two 6-to-1 Vernier 
Reduction Drives. I also installed one on my K9AY indoor control 
unit. This gives me fine control.  The biggest issue is that you have 
to engineer a way to mount them. I might write a mini-article to 
describe how I did it if there is enough interest.

	(This is not an endorsement.) I purchased my vernier reduction 
drives from Ocean State Electronics on line.

Bill Harms
Elkridge, Maryland


On 27 Oct 2006 at 22:20, Walter Salmaniw wrote:

> Patrick, Steve asked me whether the "fine tuning" potentiometers were
> necessary on the phaser.  Well tonight there is absolutely no doubt that
> they are!  With the very powerful locals, I have to very carefully coarse
> tune the phaser, and then equally carefully have to very gently null the
> local with the fine tuning potentiometers.  It does take some practice and
> a "surgeon's touch"....thank goodness I'm a doctor ;-) !!!   I suspected
> that it would be Wenatchee as well.  Sure is neat being able to null our
> Village 900 down to S5!  Doing that right now. ........Walt



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