GATE ECE · 2025 · EC
Question 35: Data converters
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Question 35
ECNAT1 markNeeds review
A 4-bit weighted-resistor DAC with inputs
,
,
, and
(MSB to LSB) is designed using an ideal op amp, as shown below. The switches are closed when the corresponding input bits are logic ‘1’ and open otherwise.When the input
changes from 1110 to 1101, the magnitude of the change in the output voltage
(in mV, rounded off to the nearest integer) is ________. 
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2025EC
GATE ECE 2025 · Paper 1
Electronics and Communication Engineering · Original paper archive
- Section
- Electronics and Communication Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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