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# QUESTION B What is a Programmable Logic Device (PLD)?

QUESTION D •

With the help of R-2R binary ladder, explain the principle of operation of a 4-bit DAC • A 5-bit DAC produces an output voltage of 0.2V for a digital input of 00001. Find the value of the output voltage for an input of 11111. What is the resolution of this DAC? • Determine the analog output voltage of 6-bit DAC (R-2R ladder network) with Vref as 5V when the digital input is 011100.