Communications
Analog Communication Systems
Marks 1Marks 2
Digital Communication Systems
Marks 1Marks 2Marks 8Marks 10
Random Signals and Noise
Marks 1Marks 2Marks 4
Fundamentals of Information Theory
Marks 1Marks 2
Noise In Digital Communication
Marks 1Marks 2
1
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
If the number of bits per sample in a PCM system is increased from n to n+1, the improvement in signal-to-quantization noise ratio will be
A
3 dB
B
6 dB
C
2n dB
D
n dB
2
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
The signal to quantization noise ratio in an n-bit PCM system
A
depends upon the sampling frequency employed.
B
is independent of the value of 'n'.
C
increasing with increasing value of 'n'.
D
decreases with the increasing value of n'.
3
GATE ECE 1994
Fill in the Blanks
+1
-0
The bandwidth required for the transmission of a PCM signal increases by a factor of ________ when the number of quantization levels is increased from 4 to 64.
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