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Author Question: Which amplifier has the highest input impedance? A) voltage follower B) differential C) ... (Read 96 times)

frankwu

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on: Jul 28, 2018
Which amplifier has the highest input impedance?
 
  A) voltage follower B) differential
  C) non-inverting with feedback D) inverting

Question 2

An op-amp has a differential gain of 500 and a common-mode gain of 0.15. This means that the CMRR is
 
  A) 0.0003 B) 3333 C) 1111 D) 75


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AmberC1996

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


frankwu

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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