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Sambhav_1

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Hi All.

In the attached screenshot from razavi, its mentioned that by decreasing feedback the gain will reduce but the poles will remains the same.
But as per the equation, the poles also shift by wp(1+AB), so if we change B(feedback factor) then the poles should also move away from origin. Please correct me where i am getting wrong.

Regards
razavi.png
 

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Akshaay said:
But as per the equation, the poles also shift by wp(1+AB), so if we change B(feedback factor) then the poles should also move away from origin.
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Which "equation" are you referring to? The text is talking about the poles of the open loop transfer function H(jw). It doesn't depend on the feedback factor.
 

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