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Analog and Digital Converters

Q1: What is the major advantage of the R/2R ladder digital-to-analog (DAC), as compared to a binary-weighted digital-to-analog DAC converter?

A It only uses two different resistor values.

B It has fewer parts for the same number of inputs.

C Its operation is much easier to analyze.

D The virtual ground is eliminated and the circuit is therefore easier to understand and troubleshoot.

ANS:A - It only uses two different resistor values.

This is main advt. of R/2R over binary weighted



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