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Old February 2nd 04, 01:52 AM
Uwe Langmesser
 
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Default 13.8 V power supply question

I need a 12-14 V power supply for my new 2m tranceiver. On transmit I need
probably 10 to 15 amps and I hooked up and old transformer with a rectifier
and a filter section I get 15V at my filter with no load, the transformer is
good for 25 amps) but if I draw 15 amps I will get too much ripple,

so I need a regulating section.


Homebrewing is called for.

Last years radio amateur handbook has a design for a 28 volt regulated
power supply and while I would feel comfortable building a proven design I
do not feel comfortable to redesign that regulating section for my needs.

So the question is does anyone have a diagram for a proven 12-14 Volt
regulated supply for 10 to 25 amps??

Thanks for your help
Uwe