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Electrical and electronics measurements miscellaneous

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Electrical and electronics measurements miscellaneous
  1. A 3-bit weighted resistor DAC shown in the figure has VR = 2V and R1/R = 2. For an input of 100, the output will be
    1. – 2 V
    2. – 4 V
    3. 2 V
    4. 4 V
Correct Option: D

I0 =
2
R

and
E0 =
2
 × R1 = 2 × 2 = 4V.
R


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