1
GATE EE 1999
Subjective
+5
-0
The input voltage $${V_i}$$ in the circuit is a $$1$$ $$kHz$$ sine wave of $$1$$ $$V$$ amplitude. Assume ideal operational amplifiers with $$ \pm 15V\,\,DC$$ supply. Sketch on a single diagram the wave-forms of $${V_i},$$ $${V_1}$$ and $${V_0}$$ show, indicating the peak value of$${V_1}$$ and the average value $${V_0}$$. GATE EE 1999 Analog Electronics - Operational Amplifier Question 12 English
2
GATE EE 1998
Subjective
+5
-0
In the circuit of figure $${R_s} = 2\,k\Omega ,$$ $${R_L} = 5\,k\Omega $$ For the op-amp $$A = {10^5},$$
$${R_i} = 100\,k\Omega ,\,\,{R_0} = 50\,k\Omega .$$ For $${V_0} = 10V.$$
Calculate $${V_S}$$ and $${{{V_0}} \over {{V_S}}}$$ and estimate the input resistance of the circuit, GATE EE 1998 Analog Electronics - Operational Amplifier Question 13 English
3
GATE EE 1994
Subjective
+5
-0
Figure below shows an op-amp amplifier. Find the output voltage in steady state condition where $$(i)$$ switch is open $$(ii)$$ $$S$$ is closed GATE EE 1994 Analog Electronics - Operational Amplifier Question 7 English
4
GATE EE 1992
Subjective
+5
-0
$$(a)$$ For the circuit shown in figure GATE EE 1992 Analog Electronics - Operational Amplifier Question 8 English

$$(i)$$ Calculate the transfer function $${{{V_0}} \over {{V_i}}}$$
$$(ii)$$ plot the amplitude and phase response as a function for $$R = {R_1}$$

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