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Q11: A signal f.() is bond limited to 3.6 KHz, and three other signals fi(t), f2(t), f3(t) and f4(t), are band – limited to 1.2 kHz each. These signals are to be transmitted by means of time - division multiplexing. (a) Set up scheme for accomplishing this multiplexing requirement, with each signal sampled at its Nyquist rate. (b) What must be the speed of the commutator (in samples per second)? (c) If the commutator output is quantized with L= 1024 and the result is binary- coded, what is the output bit rate? (d) Determine the minimum transmission bandwidth of the channel. Ans: (b) 14400 samples/sec. (c) 144 kb/sec. (d) 7.2 kHz.

Q11: A signal f.() is bond limited to 3.6 KHz, and three other signals fi(t), f2(t), f3(t) and f4(t), are band – limited to 1.2 kHz each. These signals are to be transmitted by means of time - division multiplexing. (a) Set up scheme for accomplishing this multiplexing requirement, with each signal sampled at its Nyquist rate. (b) What must be the speed of the commutator (in samples per second)? (c) If the commutator output is quantized with L= 1024 and the result is binary- coded, what is the output bit rate? (d) Determine the minimum transmission bandwidth of the channel. Ans: (b) 14400 samples/sec. (c) 144 kb/sec. (d) 7.2 kHz.

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A signal f.(t) is bond limited to 3.6 KHz, and three other signals f1(t), f2(t), f3 (t) and f4(t), are band – limited to 1.2 kHz each. These signals are to be transmitted by means of time - division multiplexing. (a) Set up scheme for accomplishing this multiplexing requirement, with each signal sampled at its Nyquist rate.

(b) What must be the speed of the commutator (in samples per second)?

(c) If the commutator output is quantized with L coded, what is the output bit rate? 1024 and the result is binary-

(d) Determine the minimum transmission bandwidth of the channel.

Ans: (b) 14400 samples/sec. (c) 144 kb/sec. (d) 7.2 kHz.

Q11: A signal f.() is bond limited to 3.6 KHz, and three other signals fi(t), f2(t), f3 (t) and f4(t), are band – limited to 1.2 kHz each. These signals are to be transmitted by means of time - division multiplexing. (a) Set up scheme for accomplishing this multiplexing requirement, with each signal sampled at its Nyquist rate. (b) What must be the speed of the commutator (in samples per second)? (c) If the commutator output is quantized with L coded, what is the output bit rate? 1024 and the result is binary- (d) Determine the minimum transmission bandwidth of the channel. Ans: (b) 14400 samples/sec. (c) 144 kb/sec. (d) 7.2 kHz.
Transcribed Image Text:Q11: A signal f.() is bond limited to 3.6 KHz, and three other signals fi(t), f2(t), f3 (t) and f4(t), are band – limited to 1.2 kHz each. These signals are to be transmitted by means of time - division multiplexing. (a) Set up scheme for accomplishing this multiplexing requirement, with each signal sampled at its Nyquist rate. (b) What must be the speed of the commutator (in samples per second)? (c) If the commutator output is quantized with L coded, what is the output bit rate? 1024 and the result is binary- (d) Determine the minimum transmission bandwidth of the channel. Ans: (b) 14400 samples/sec. (c) 144 kb/sec. (d) 7.2 kHz.
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