[sdiy] Discrete Op Amps

[Ingo Debus]

> Am 10.04.2017 um 21:41 schrieb mskala at ansuz.sooke.bc.ca:

> you'll
> quickly learn that there really *are* no discrete transistors as such
> anymore, and there haven't been for decades.  When you buy a 2N3904 or
> similar, you are really buying a very small IC that happens to have just
> one transistor on it.

Have there ever been transistors that were not on chips? How were they made then?

Ingo