maormat4
Junior Member level 3
Hello guys,
I am a little bit confuse, i have two questions:
1) Every kind of coil have a core? even smt coil? if all the coils have cores so all the coils can store energy? air coil can store energy?
2) Why the mosfet's base of n ch connected to the source?
Thank you guys
I am a little bit confuse, i have two questions:
1) Every kind of coil have a core? even smt coil? if all the coils have cores so all the coils can store energy? air coil can store energy?
2) Why the mosfet's base of n ch connected to the source?
Thank you guys