1
GATE EE 1992
+2
-0.6
In an $$RC$$- coupled common Emitter amplifier which of the following is true?
A
Coupling Capacitance affects the high frequency $$\left( {hF} \right)$$ response and bypass capacitance affects Low frequency $$\left( {lF} \right)$$ response.
B
Both coupling and by pass capacitances affects the $$lF$$ response.
C
Both coupling and by pass capacitances affects the $$hF$$ response.
D
Coupling Capacitance affects the $$lf$$ response and the bypass capacitance affects the $$hF$$ response.
2
GATE EE 1992
Subjective
+5
-0
For the $$JFET$$ amplifier shown in figure $$\mu = 100,\,{r_d} = 50k\Omega$$
$$(i)$$ Draw the $$AC$$ equivalent circuit
$$(ii)$$ Find the voltage gain of the amp
3
GATE EE 1992
+1
-0.3
The overall transfer function of the system in Figure, is
A
$${G \over {1 - GH}}$$
B
$${{2G} \over {1 - GH}}$$
C
$${{GH} \over {1 - GH}}$$
D
$${{GH} \over {1 - H}}$$
4
GATE EE 1992
+1
-0.3
For what values of $$'a'$$ does the system shown in figure have a zero steady state error $$\left[ {i.e.,\mathop {Lim}\limits_{t \to \infty } \,\,E\left( t \right)} \right]$$ for a step input?
A
$$a=0$$
B
$$a=2$$
C
$$a \ge 4$$
D
for no value of $$' a'$$
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