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23rd Apr 2012, 1:03 am
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Hexode
Join Date: May 2005
Location: Wigan, Greater Manchester, UK.
Posts: 479
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Maplin MF1000 Frequency Counter
It must be the best part of twenty years ago, I bought the Maplin MF1000 frequency counter, over the years, it's served me well. Like a lot of my stuff here, it hadn't been used for a while, of course the time came when I wanted it. While it displayed frequencies around the wanted one, it wasn't stable, I thought to myself, is there an AC ripple on the power supply? Replacing the 2200µF and 470µF electrolytics in the power supply cured the problem.
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