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Old 18th Oct 2019, 12:22 am   #13
regenfreak
Heptode
 
Join Date: Nov 2018
Location: London SW16, UK.
Posts: 655
Default Re: DIY battery eliminator for valve radio

My knowledge and understanding of solid state electronics is not up to scratch but I have found this page useful to get an overview of the basic concepts and the surface understanding how the two transistor regulator works:

http://www.skillbank.co.uk/psu/vr2.htm
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