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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 99 times)

j.rubin

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

A

Answer to Question 2

B


j.rubin

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

elyse44

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Reply 3 on: Yesterday
:D TYSM

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