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Analog Circuits
Bipolar Junction Transistor
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FET and MOSFET
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Oscillators
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Operational Amplifier
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555 Timer
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Frequency Response
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Diodes
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Feedback Amplifier
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Power Amplifier
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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 1995
MCQ (Single Correct Answer)
+1
-0.3
To obtain very high input and output impedances in a feedback Amplifier, the mostly used is
A
Voltage - series
B
Current - series
C
Voltage - shunt
D
Current - shunt
3
GATE ECE 1993
MCQ (More than One Correct Answer)
+1
-0
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
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Questions Asked from Marks 1
GATE ECE 2024 (1) GATE ECE 2023 (1) GATE ECE 2014 Set 1 (2) GATE ECE 2014 Set 3 (1) GATE ECE 2014 Set 2 (1) GATE ECE 2013 (1) GATE ECE 1998 (1) GATE ECE 1995 (1) GATE ECE 1993 (1)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics