0-30V 0-5A regulated variable power supply circuit
Do Not Make This circuit If You are not brave enough.
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December 29, 2018
0-30V variable Power Supply at 3A
Cheap adjustable 0-30V 3A Laboratory DC Power Supply. high efficiency regulator circuit by IC regulator UA723-TIP3055 as power.Protect over load maximum 3A
December 14, 2018
LM317, 3A adjustable voltage regulator circuit diagram
Output: 1.2V to 20V, and 3V,6V,9V,12V
LM317 2N3055 3A Variable power supply
High quality, 3A adjustable voltage regulator. Using LM317 and 2N3055 so easy and cheap. Adjust voltage in steps 3V, 6V, 9V, 12V. And In fine, 1.25V to 20V.
December 11, 2018
0-60V Dual Variable power supply circuit using LM317&LM337
This is a 0-60V, Dual Variable power supply circuit using LM317 and LM337 at 1.5A current so can builds to easy with PCB layout, adjustable voltage VR1,VR2 [...]
December 10, 2018
Transistor Variable power supply 1A, 0-30V
Transistor Variable power supply 1A, 0-30V project with PCB. Using transistor boost current to 1A. No IC. No Zener diode. But steady voltage.
November 6, 2018
0-12v variable power supply at 3A
In a normal circuit, the general LM350 regulator has a start voltage of 1.25V. But this circuit is special that start of 0-volts. We use only one IC and a few other components. So cheap and easy for you.
May 4, 2018
Ham radio power supply circuit with RFI elimination
This is Ham radio power supply circuit for Amateur radio CB/RF/VHF use 13.8V supply. It is good circuit with PCB low noise RFI elimination we use LM350T
April 28, 2017