1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
In a shunt-shunt negative feedback Amplifier, as compared to the basic Amplifier,
A
both input and output impedance decreases .
B
input impedance decreases but output impedance increases.
C
input impedance increases but output impedance decreases
D
both input and output impedance decreases
2
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
In a differential Amplifier, CMRR can be improved by using an increased
A
Emitter resistance
B
Collector resistance
C
Power supply voltage
D
Source resistance
3
GATE ECE 1998
Subjective
+5
-0
Find the value of $${R^1}$$ in the circuit of fig. For generating sinusoidal Oscillations. Find the frequency of oscillations. GATE ECE 1998 Analog Circuits - Oscillators Question 1 English
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
One input terminal of high gain comparator circuit is connected to ground and a sinusoidal voltage is applied to the other input. The output of comparator will be
A
a sinusoid
B
a full rectified sinusoid
C
a half rectified sinusoid
D
a square wave
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