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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
-0.3
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
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State Equations For Networks Network Elements Network Theorems Two Port Networks Transient Response Sinusoidal Steady State Response Network Graphs Miscellaneous
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Signal Flow Graph and Block Diagram Time Response Analysis Compensators Basic of Control Systems Frequency Response Analysis Stability Root Locus Diagram State Space Analysis
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Semiconductor Physics PN Junction BJT and FET IC Basics and MOSFET
Analog Circuits
Diodes Bipolar Junction Transistor Frequency Response FET and MOSFET Oscillators Operational Amplifier Feedback Amplifier Power Amplifier 555 Timer
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Logic Gates Boolean Algebra Analog to Digital and Digital to Analog Converters Sequential Circuits Combinational Circuits Logic Families Number System and Code Convertions Semiconductor Memories
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Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085
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Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise
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