1
GATE ECE 1997
MCQ (Single Correct Answer)
+2
-0.6
The output voltage V0 of the circuit shown in the figure is GATE ECE 1997 Analog Circuits - Operational Amplifier Question 56 English
A
-4 V
B
6 V
C
5 V
D
-5.5 V
2
GATE ECE 1997
Subjective
+5
-0
Consider the circuit given in fig. using an ideal operational Amplifier. GATE ECE 1997 Analog Circuits - Operational Amplifier Question 5 English

The characteristics of the diode are given by the relation I = Is $$\left[ {{e^{{{qV} \over {KT}}}} - 1} \right],$$

Where V is the forward voltage across the diode
(a)Express V0 as a function of Vi assuming Vi> 0.
(b)If R = 100K$$\Omega $$ , Is = 1$$\mu $$A and $${{KT} \over q}\,\, = \,\,25mV$$

3
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
The line code that has zero dc component for pulse transmission of random binary data is
A
Non - return to zero (NRZ)
B
Return to zero(RZ)
C
Alternate Mark Inversion (AMI)
D
None of the above.
4
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
A deterministic signal has the power spectrum given in figure. The minimum sampling rate needed to completely represent this signal is GATE ECE 1997 Communications - Digital Communication Systems Question 57 English
A
1 KHz
B
2 KHz
C
3 KHz
D
None of the above
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