buddypoor
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Hi Ken,
I am afraid, I have expressed myself not clear enough. I think the precondition "I should know what I am doing and why/if it is allowed to do" covers everything. And - as I have said - I can accept an error if it "remains within the limits set by the aforementioned uncertainties (other error sources)."
To be specific, I am afraid that in many cases the error introduced by the two-pole opamp model (neglecting higher poles as well as parasitic influences) can be in the same order or even larger if compared with the error introduced by the voltage-loop gain method. But, of course, it depends on the particular case and cannot be generalized. Therefore, I have to know what I am doing.... B.
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