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Author Question: If all four input resistors to a summing amplifier are 2.2 k and the feedback resistor is 2.2 k, ... (Read 83 times)

j.rubin

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If all four input resistors to a summing amplifier are 2.2 k and the feedback resistor is 2.2 k, then the gain equals ________.
 
  A) 1 B) 4 C) 2.2 D) unknown

Question 2

If all four input resistors to a summing amplifier are 2.2 k, the feedback resistor is 2.2 k and all four input voltages are -2 V, the output voltage equals ________.
 
  A) 10 V B) 8 V C) 2.2 V D) 2 V



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tdewitt

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Answer to Question 1

A

Answer to Question 2

B




j.rubin

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Reply 2 on: Jul 28, 2018
Excellent


lcapri7

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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