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Old 29th January 2013, 03:35 PM   #1
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Default 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.

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Last edited by Bernhard; 29th January 2013 at 03:40 PM.
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Old 29th January 2013, 04:12 PM   #2
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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.
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