[sdiy] Simple discrete Unity-Gain Follower ?

[Ingo Debus]

Magnus Danielson wrote:
>>I do not want an output that easily overshoots or oscillates, or behaves
>>strange. So feedback shall be avoided, if possible.
> 
> 
> The benefit of feedback should not be underestimated just because there is
> additional concerns, it's only about appropriatly applying the technique.

Is it possible at all to make a transistor unity-gain buffer without 
feedback? Somehow you have to get the gain down to 1.

An emitter follower sure does have feedback. The voltage drop across 
the emitter resistor is in series with the input voltage.

Ingo