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Question 8.1.10: Which of the resistance networks of figure can be used as 3 ...

Which of the resistance networks of figure can be used as 3 bit R-2R ladder DAC. Assume V_{0} corresponds to LSB.

(a) Both (i) and (ii)                                 (b) Both (i) and (ii)

(c) Only (iii)                                              (d) Only (ii)

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3 bit R – 2R ladder – R22R are used general circuit:

i.e., with LSB, 2R is used (with gmd)
⇒ (c)

8.10
8.10

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