1
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
A BJT is said to be operating in the saturation region if
A
both the junctions are reverse biased
B
base-emitter junction is reverse biased and base-collector junction is forward biased.
C
base-emitter junction is forward biased and base-collector junction reverse biased
D
both the junctions are forward biased
2
GATE ECE 1994
Fill in the Blanks
+1
-0
In order to reduce the harmonic distortion in an amplifier, its dynamic range has to be _________
3
GATE ECE 1994
Numerical
+1
-0
A common emitter transistor amplifier has a collector current of 1.0 mA when its base current is 25 $$\mu$$A at the room temperature. It's input resistance is approximately equal to (in K$$\Omega$$) _________ .
Your input ____
4
GATE ECE 1993
MCQ (Single Correct Answer)
+1
-0.3
The bandwidth of an n-stage tuned amplifier, with each stage having a band width of B, is given by
A
B/n
B
$$\mathrm B/\sqrt{\mathrm n}$$
C
$$\mathrm B\sqrt{2^\frac1{\mathrm n}-1}$$
D
$$\mathrm B/\sqrt{2^\frac1{\mathrm n}-1}$$
GATE ECE Subjects
EXAM MAP