There is many circuits where you have to have both sorts, pnp and npn transistors. I'v heard it's possible to change a circuit so, that it will have only npns (or pnp only).
I have a lot of npn transistors and I don't understand how to integrate them into a circuit where pnp are planed.
I have a lot of npn transistors and I don't understand how to integrate them into a circuit where pnp are planed.