switch mode power supply

With the advent of modern ICs and circuits, the age old iron transformer type of power supply are surely becoming obsolete. Today power supplies are much compact, smaller and efficient with their functioning. Here we discuss one outstanding switch mode power supply circuit which can be easily...

Switch mode power supply for vacuum tube car audio Recently, some of my friends ask me about power supply from 12 V to HV for tube amp, after reading Bob's article about 1626 Auto Darling. I'm thinking of building one vacuum tube amplifier for my...