15v regulator eleccircuit simetris circuits lm337 lm317 variable Power voltage circuit supply variable current circuits mosfet 300v volts diagram high regulated adjustable transformerless homemade transistor using dc output Supply power variable 30v 5a circuit regulated eleccircuit output using benchtop lm723 dc regulator adjustable voltage current ca3140 source 24v
Circuit supply power dual 15v regulated regulator positive Hobby electronic circuits: variable 0 to 300 volts, regulated power supply Dual 15v power supply schematic with pcb, +15v -15v 1a
0-30v 0-5a regulated variable power supply circuit .
.
Hobby Electronic Circuits: Variable 0 to 300 Volts, Regulated Power Supply
0-30V 0-5A regulated variable power supply circuit - ElecCircuit.com
Dual 15V Power Supply Schematic With PCB, +15V -15V 1A - ElecCircuit