- Communication Systems - Section 1
- Communication Systems - Section 2
- Communication Systems - Section 3
- Communication Systems - Section 4
- Communication Systems - Section 5
- Communication Systems - Section 6
- Communication Systems - Section 7
- Communication Systems - Section 8
- Communication Systems - Section 9
- Communication Systems - Section 10
- Communication Systems - Section 11
- Communication Systems - Section 12
- Communication Systems - Section 13
- Communication Systems - Section 14
- Communication Systems - Section 15
- Communication Systems - Section 16
- Communication Systems - Section 17
- Communication Systems - Section 18
- Communication Systems - Section 19
- Communication Systems - Section 20
- Communication Systems - Section 21
- Communication Systems - Section 22
- Communication Systems - Section 23
- Communication Systems - Section 24
- Communication Systems - Section 25


Communication Systems - Engineering
Q1: Three analog signals, having bandwidths 1200 Hz, 600 Hz, 600 Hz are sampled at their Nyquist rates, encoded with 12 bit words, and time division multiplexed. The bit rate for the multiplexed signal isA
115.2 kbps
B
28.8 kbps
C
57.6 kbps
D
38.4 kbps
ANS:C - 57.6 kbps The total message bandwidth = 1200 Hz + 600 Hz + 600 Hz = 2400 Hz
Sampling frequency = 4800 samples/sec.
Hence, Bit rate = 4800 x 12
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