Homebrew 13.8v variable voltage power supply
Simply follow the diagram build the circuit on some vero board or similar. Remember that the 2N3055 transistors need reasonable heatsinks as they will run warm with a decent load on the supply
post 26 Dec 2021
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repeater-builder about replacing the analog meters with digital meters
Amateur radio has been somewhat slow to accept switching power supplie
Sono provisti di raffredamento forzato
this circuit uses the LM723 IC which gives us excellent voltage regulation
A completed 145 watt ATX power supply with switch, binding posts