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Last Updated on:  06/19/2009 03:09:01 PM

Ten Turn Pot Forms Frequency Readout
Let’s say you are designing a signal generator for a test fixture. To adjust the frequency you would like to use a ten turn pot with a nice dial mechanism attached as a frequency display. However, a display range of 0 to 9.99 would be impractical since there is no such frequency as 0. But since many pot dials have a display of "11" at the highest setting you could shift the display for a range of 1 to 11 and get a nice linear function. The signal generator circuit could then be setup in nice decade steps with a range selection switch and get an overall accuracy of about 1/2%.
Circuit Circuit Ten Turn Pot Forms Frequency Readout
 
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