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Author Question: A scaling adder is used as a four-input analog-to-digital converter. If the 22 input resistance is ... (Read 35 times)

frankwu

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on: Jul 28, 2018
A scaling adder is used as a four-input analog-to-digital converter. If the 22 input resistance is 16 k, what is the value of the 23 resisttor?
 
  A) 4 k B) 32 k C) 256 k D) 8 k

Question 2

The output of a summing amplifier is saturated regardless of the input levels. The most likely failure is a
 
  A) open feedback resistor B) a shorted inverting input
  C) shorted feedback resistor D) an open input resistor


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kxciann

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

D

Answer to Question 2

A


frankwu

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Reply 2 on: Jul 28, 2018
Excellent

rachel

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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