b. Why is the common-mode rejection ratio (CMRR) of an instrument amplifier generally larger than that of the difference amplifier within it? Hint: what is special about the front-end/input stage of the instrumentation amp?

b. Why is the common-mode rejection ratio (CMRR) of an instrument amplifier generally larger than that of the difference amplifier within it? Hint: what is special about the front-end/input stage of the instrumentation amp?

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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Question

b.
Why is the common-mode rejection ratio (CMRR) of an instrument amplifier
generally larger than that of the difference amplifier within it? Hint: what is special about
the front-end/input stage of the instrumentation amp?

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