1
GATE EE 2017 Set 1
Numerical
+2
-0
The circuit shown in the figure uses matched transistors with a thermal voltage $${V_T} = 25\,mV.$$ The base currents of the transistors are negligible. The value of the resistance $$R$$ in $$k\Omega $$ that is required to provide $$1\,\,\,\mu A$$ bias current for the differential amplifier block shown is ____________. GATE EE 2017 Set 1 Analog Electronics - Bjt and Mosfet Biasing Question 13 English
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2
GATE EE 2017 Set 1
MCQ (Single Correct Answer)
+2
-0.6
The approximate transfer characteristic for the circuit shown below with an ideal operational amplifier and diode will be GATE EE 2017 Set 1 Analog Electronics - Operational Amplifier Question 20 English
A
GATE EE 2017 Set 1 Analog Electronics - Operational Amplifier Question 20 English Option 1
B
GATE EE 2017 Set 1 Analog Electronics - Operational Amplifier Question 20 English Option 2
C
GATE EE 2017 Set 1 Analog Electronics - Operational Amplifier Question 20 English Option 3
D
GATE EE 2017 Set 1 Analog Electronics - Operational Amplifier Question 20 English Option 4
3
GATE EE 2017 Set 1
MCQ (Single Correct Answer)
+2
-0.6
The transfer function of the system $$Y\left( s \right)/U\left( s \right)$$ , whose state-space equations are given below is:
$$\eqalign{ & \left[ {\matrix{ {\mathop {{x_1}}\limits^ \bullet \left( t \right)} \cr {\mathop {{x_2}}\limits^ \bullet \left( t \right)} \cr } } \right] = \left[ {\matrix{ 1 & 2 \cr 2 & 0 \cr } } \right]\left[ {\matrix{ {{x_1}\left( t \right)} \cr {{x_2}\left( t \right)} \cr } } \right] + \left[ {\matrix{ 1 \cr 2 \cr } } \right]u\left( t \right) \cr & y\left( t \right) = \left[ {\matrix{ 1 & 0 \cr } } \right]\left[ {\matrix{ {{x_1}\left( t \right)} \cr {{x_2}\left( t \right)} \cr } } \right] \cr} $$
A
$${{\left( {s + 2} \right)} \over {\left( {{s^2} - 2s - 2} \right)}}$$
B
$${{\left( {s + 2} \right)} \over {\left( {{s^2} + s - 4} \right)}}$$
C
$${{\left( {s - 4} \right)} \over {\left( {{s^2} + s - 4} \right)}}$$
D
$${{\left( {s + 4} \right)} \over {\left( {{s^2} - s - 4} \right)}}$$
4
GATE EE 2017 Set 1
Numerical
+2
-0
For a system having transfer function $$G\left( s \right) = {{ - s + 1} \over {s + 1}},$$ a unit step input is applied at time $$t=0.$$ The value of the response of the system at $$t=1.5$$ sec (round off to three decimal places) is __________.
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