LM317 with pass 2N3055 transistor circuit regulators
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. Read more
4 ideas of noise filter circuit
If you are looking for a noise filter circuit. I have 2 circuit ideas for you. They use a transistor and FET as main components. So, easy to make. Read more
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 […] Read more
How simple series circuit works
The experiment on the simple series circuit. To understand current flow and voltage across all devices in the circuit. Read more
5V 5A, 8A Power supply circuits
For digital that need high current 5A up it low noise and easy to build because is linear Read more