Symmetric Amp, Interesting Output Stage

[Dave Zan]

Originally Posted by Hentai

As far as benefits at a first glance high current gain, low offset and drift, keeping base-emitter voltage at Vbe and lower saturation voltage than darlingtons.

The buffer is a three transistor loop so instability is a real risk. You have not shown any compensation even for the overall loop. Both will need careful attention.

Best wishes
David

[Hentai]

Hi David, thanks for the link, i am studying them.

Yes it is just a basic schematic. I'm running sims that i will post soon there are some nice features tho that i will show about this buffer.