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Old 10th May 2017, 10:54 am   #11
stuarth
Heptode
 
Join Date: Feb 2010
Location: Heysham, Lancashire, UK.
Posts: 668
Default Re: Another FET voltmeter

If you're going the valve route, it's worth looking at the Heathkit V7-AU circuit. It was on sale for donkeys years, and works very well.

Stuart
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