1
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
$$\mathrm B/\sqrt{2^\frac1{\mathrm n}-1}$$
2
GATE ECE 1993
MCQ (Single Correct Answer)
+1
-0.3
In a multi-stage RC-Coupled Amplifier the coupling capacitor.
A
limits the low frequency response.
B
limits the high frequency response.
C
does not affect the frequency response.
D
blocks the d.c. components without effecting the frequency response.
3
GATE ECE 1993
MCQ (More than One Correct Answer)
+1
-0.3
Negative feedback in Amplifiers.
A
improves the signal to noise ratio at the i/p.
B
improves the signal to noise ratio at the o/p.
C
does not effect the signal to noise ratio at the o/p.
D
Reduces distortion
4
GATE ECE 1993
MCQ (More than One Correct Answer)
+1
-0.3
In a transistor push-pull Amplifier
A
there is no d.c present in the o/p.
B
there is no distortion in the o/p.
C
there is no even harmonics in the o/p.
D
there is no odd harmonics in the o/p.
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