1
GATE ECE 1996
Subjective
+2
-0
Match the following.

Group - I

(a)Cascode amplifier
(b)Differential Amplifier
(c)Darlington pair common-collector Amplifier

Group - II

(1)does not provide current gain
(2)is a wide band Amplifier
(3)has very low input impedance Emitter Amplifier and very high current gain
(4)has very high input impedance and very high current gain
(5)Provides high common mode voltage Rejection
2
GATE ECE 1996
MCQ (Single Correct Answer)
+2
-0.6
A Darlington stage is shown in the figure, if the transconductance of q1 is gm1 and q2 is gm2, then the overall transconductance
$$g\matrix{ c \cr m \cr } \left[ { \buildrel \Delta \over = {{{i_c}^c} \over {{v_{be}}^c}}} \right]$$ is given by GATE ECE 1996 Analog Circuits - Bipolar Junction Transistor Question 43 English
A
$${g_{m1}}$$
B
0.5 $${g_{m1}}$$
C
$${g_{m2}}$$
D
0.5 $${g_{m2}}$$
3
GATE ECE 1992
Numerical
+2
-0
If the transistors in fig. has high value of β and a vBE of 0.65, the current I flowing through the 2 kilo ohms resistance will be ______. GATE ECE 1992 Analog Circuits - Bipolar Junction Transistor Question 44 English
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4
GATE ECE 1991
Numerical
+2
-0
In figure, all transistors are identical and have a high value of beta. The voltage VDC is equal to ______. GATE ECE 1991 Analog Circuits - Bipolar Junction Transistor Question 45 English
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