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May 5th 08, 08:04 AM
posted to rec.radio.amateur.homebrew
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Modify Astron Power Supply
"Toby" wrote in message news:i8vTj.791$b%1.295@trndny04... I have an Astron RS-20A, 20amp 12v fixed DC supply. I've heard that people have modified this model to become a variable voltage supply but have not found any schematics etc for this mod. Can anyone point me in the right direction? Thanks! Here is the schematic for a 35, it should ve similar to the 20 except for an extra pass transistor or two. http://www.repeater-builder.com/astr...tron-vs35m.jpg |
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