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Last Updated on: Saturday, December 30, 2017 06:13 AM


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Variable Gain Amplifier Circuits
Circuits Designed by Dave Johnson, P.E. :

240VAC to 5VDC Power Supply

9v Battery Eliminator

Battery Eliminator

Nine-Volt Battery Eliminator

Variable Isolated AC Voltage Spans 0VAC to 280Vac


 

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Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches


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