Mains 220v or 120v is fed to the primary winding which is transferred to the secondary winding to produce a lower induced voltage there.
Let's begin and learn how to design a power supply circuit, a simplest one first, probably for the noobs who would find this information extremely useful.Ī basic power supply circuit will fundamentally require three main components for providing the intended results.Ī transformer, a diode and a capacitor.The transformer is the device which has two sets of windings, one primary and the other one is the secondary. If this equipment is so important, it becomes imperative for all in the field to learn all the nitty-gritties of this important member of the electronic family. This is because no electronics can run without power, to be precise a low voltage DC power, and a power supply unit is a device which is specifically meant for fulfilling this purpose. Whether it's an electronic noob or an expert engineer, all require this indispensable piece of equipment called the power supply unit.