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Q#1
Data Converters
GATE EE 1992
NAT
+2 marks
-0 marks
In a dual slope integrating type digital voltmeter the first integration is carried out for 10 periods of the supply frequency of 50 Hz. If the reference voltage used is 2 V, the total conversion time for an input 1V is ___________ sec
Explanation:
In dual slope ADC
We know that total conversion line
N can be obtained as
At t=T, V0 =0
Given 
Since the first integration is carried out for 10 periods of supply frequency,
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