MCQ- The signal m(t)=4.Cos4000πt will now be transmitted as sideband (VSB) with the carrier c(t)=2.Cos20000πt. The pass spectrum Y(f) of the VSB filter is given as in the figure. Find the mathematical expression for the modulated signal. a - 8.Cos16000πt.Cos20000πt - 4.Sin4000πt.Sin20000πt b-  8.Cos16000πt + 8.Cos24000πt c - 8.Cos16000πt d- 8.Cos24000πt

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A: THIS Question is from Communication System.

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Q: 23: The modulating signal f(t) = 2 cos 100 nt + cos 400nt is applied at the input of a DSB/ SC…

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Q: 4.2-1 For each of the baseband signals: (i) m(t) = cos 1000t t; (ii) m(t) = 2 cos 1000rt + sin…

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Q: Q5. A station started broadcasting on the commercial AM system with the frequency 620 kHz, while a…

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Q: An FM radio broadcast used a modulator with a frequency deviation sensitivity of 5KHz/V, a 2Vp – 10…

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Q: Q3. A narrowband FM signal has a carrier frequency of 110 kHz and a deviation ratio of 0.05. The…

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Q: An audio signal given by 15 sin(4000ntt) + 20 sin(8000mt) amplitude modulated(DSB-FC) a sinusoidal…

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Q: 1- Explain the principle of direct method generation of FM signal.

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Q: 11 0.9 0.8 0.7 与 0.6 0.5 0.4 0.3 0.2 0.1 10 /11 12 0.1 0.2 0.3 0.4 0.5 A carrier (fc = 100MHZ, A̟ =…

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Q: 2. The modulating signal that is the input into an FM modulator is m(t) = 2cos (10tt). a) Express…

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A: From the given spectrum, we can observe that maximum frequency of message signal was 10KHz .

Q: An FM radio broadcast used a modulator with a frequency deviation sensitivity of 5KHz/V, a 2Vp – 10…

A: The solution is given below

Q: Q3: The modulating signal f (t) = 2 cos 100 nt + cos 400nt is applied at the input of a DSB/ SC…

A: