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(b) The 2-bit R-2R resistor ladder digital-analog converter shown in Figure Q4(b) is 5 Marks designed using two precision resistor values A=R Ohms and

(b) The 2-bit R-2R resistor ladder digital-analog converter shown in Figure Q4(b) is 5 Marks designed using two precision resistor values A=R Ohms and B-2R Ohms, and is used to convert digital bit patterns (where digital-1 is +5V and a digital-0 is 0 V) to an analogue voltage. VOUT DI-O LSB) bit-1 MS8) Figure Q4(b) Explain in your own words, why the output of the Digital and Analogue converter for the maximum input binary pattern of 11 is 3.75Volts, and not 5Volts.

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