passive differential input stage

Bernhard · 02:40 PM

I don't know if this makes sense in the real world.
It allows gain and feedback at the same time.
The opamp stands for a follower output stage.

kenpeter · 29th January 2013, 03:12 PM

Negative feedback path has potential 4x gain.

Best make sure gain rolls down less than 1
before a phase shift >90 finds you on the
positive side of the wheel.

29th January 2013, 02:35 PM	#1
Bernhard diyAudio Member Join Date: Apr 2002 Location: Munich	passive differential input stage I don't know if this makes sense in the real world. It allows gain and feedback at the same time. The opamp stands for a follower output stage. Last edited by Bernhard; 29th January 2013 at 02:40 PM.

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29th January 2013, 03:12 PM	#2
kenpeter diyAudio Member Join Date: Nov 2007 Location: Dallas	Negative feedback path has potential 4x gain. Best make sure gain rolls down less than 1 before a phase shift >90 finds you on the positive side of the wheel.