Questions & Answers of A/D and D/A Converters

Weightage of A/D and D/A Converters

Total 4 Questions have been asked from A/D and D/A Converters topic of Analog and Digital Electronics subject in previous GATE papers. Average marks 1.75.

A temperature in the range of −40° C to 55° C is to be measured with a resolution of 0.1° C. The minimum number of ADC bits required to get a matching dynamic range of the temperature sensor is

A 2-bit flash Analog to Digital Converter (ADC) is given below. The input is 0 ≤ VIN ≤ 3 Volts.The expression for the LSB of the output B0 as a Boolean function of X2, X1, and X0 is

 

An 8 bit unipolar Successive Approximation Register type ADC is used to convert 3.5 V to digital equivalent output. The reference voltage is +5 V. The output of ADC at end of 3rd clock pulse after the start of conversion is ________.

The Octal equivalent of HEX and number AB.CD is