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GATE 2019: Digital Circuits Quiz 7
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Question 1
An 8 bit successive approximation analog to digital converter has full scale reading of 2.55 V and its conversion time for an analog input of 1V is 20μs. The conversion for a 2V input will be
Question 2
The number of comparators in a 4 bit flash ADC is
Question 3
An 8 bit DAC an output voltage of 2.0 V for input code of 1111 0001. The voltage of Vo for input code of 11110111 would be
Question 4
Consider a 6-bit digital ramp type ADC with a clock frequency 1 MHz. The full scale output of the ADC is for an input analog voltage 10.2 V. If input voltage given to the ADC is 3.5 V then conversion time to reach the desired binary output is ____
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. Question 5
A 10-bit digital to analog converter has a full-scale output voltage of 20V. What will be the value of the output voltage (in volt) if the input code is 0101101011?
Question 6
A certain 8 bit DAC has a resolution of 2 mA and an error of ±0.5% of full scale reading. The analog output corresponding to binary input 10101010 is
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Sep 23ESE & GATE EC
