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Disadvantages of weighted resistor DAC
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i) The accuracy and stability of thie type DAC depends on the accuracy of the resistors used.

ii) This type of DAC requires a wide range of resistor values. If n=8 then smallest resistor 2 R=2R/2 & largest resistor $2^{\gamma}=128 R/2$. Thus the largest resistor is 128 times the smallest …

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