Data-and-Signals
August 30, 2024
Ethernet
August 30, 2024
Data-and-Signals
August 30, 2024
Ethernet
August 30, 2024

Computer-Networks

Question 734
Ten signals, each requiring 3000 hz, are multiplexed onto a single channel using FDM. How much minimum bandwidth is required for the multiplexed channel? Assume that the guard bands are 300 Hz wide.
A
33,700
B
30,000
C
32,700
D
33,000
Computer-NetworksFDMKVS DEC-2017
Question 734 Explanation: 
Step-1: Given data, 10 signals. Each signal requires 3000. So, 10*3000=30000 Hz
Step-2: Guard band (or gaps)=(10-9)=9.
300×9 =2700 Kz
Step-3: Minimum bandwidth is required for the multiplexed channel 30000+2700= 32700Hz
Correct Answer: C
Question 734 Explanation: 
Step-1: Given data, 10 signals. Each signal requires 3000. So, 10*3000=30000 Hz
Step-2: Guard band (or gaps)=(10-9)=9.
300×9 =2700 Kz
Step-3: Minimum bandwidth is required for the multiplexed channel 30000+2700= 32700Hz
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