1
GATE ECE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The desirable characteristics of a transconductance amplifier are
A
high input resistance and high output resistance
B
high input resistance and low output resistance
C
low input resistance and high output resistance
D
low input resistance and low output resistance
2
GATE ECE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
The feedback topology in the amplifier circuit (the base bias circuit is not shown for simplicity) in the figure is GATE ECE 2014 Set 2 Analog Circuits - Feedback Amplifier Question 13 English
A
Voltage shunt feedback.
B
Current series feedback.
C
Current shunt feedback.
D
Voltage series feedback.
3
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
In a voltage-voltage feedback as shown below, which one of the following statements is TRUE, if the gain k is increased? GATE ECE 2013 Analog Circuits - Feedback Amplifier Question 16 English
A
The input impedance increases and output impedance decreases.
B
The input impedance increases and output impedance also increases.
C
The input impedance increases and output impedance also increases.
D
The input impedance increases and output impedance increases.
4
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
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