| To: | Amps <amps@contesting.com> |
|---|---|
| Subject: | [Amps] Digital read out |
| From: | Roger Parsons <ve3zi@yahoo.com> |
| Reply-to: | ve3zi@rac.ca |
| Date: | Thu, 26 Feb 2009 18:57:38 -0800 (PST) |
| List-post: | <amps@contesting.com">mailto:amps@contesting.com> |
John KØCQW wrote:
"Some time ago I came across a operator that was using Potentiometers
with roller inductors and variable caps to indicate their position via a
meter or digital read out.
Have looked the web over and can not find this info.
Any one know where it is ? or know what ohm and turns work out ? or
gear ratio ?"
John
It could be that the article you were thinking of was in QST for May 2008, page
67 - "An Electronic Turns Counting Dial" by WA1CQF.
73 Roger
VE3ZI
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