GATE EE 1999 Digital Electronics Q 4 - Grad Plus
GATE EE 1999 Digital Electronics Q 4

GATE EE 1999 Digital Electronics Q 4

For a dual ADC type 3\frac12 digit DVM, the reference voltage is 100 mV and the first integration time is set to 300 ms. For some input voltage; the ‘deintegration’ period is 370.2 ms. The DVM will indicate (in mV)

(a) 123.4

(b) 199.9

(c) 100.0

(d) 1.414

Ans: (a)

Explanation

V_{\mathrm{in}}=\frac{100\;\mathrm{mV}\times370.2\;\mathrm{ms}}{300\;\mathrm{ms}}=123.33mV
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