Ob qho tib si din rail fais fab mov thiab switching fais fab mov yog cov khoom siv hloov pauv fais fab, tab sis lawv txawv heev hauv kev tsim qauv, kev ua tau zoo thiab kev siv.
Lub zog fais fab din rail hloov cov input alternating current mus rau hauv qhov ncaj qha tam sim no nrog qhov tob txo qis los ntawm cov circuits xws li rectification, filtering thiab voltage regulation.