Q3. Identify the type of modulation shown below and binary data. [2 marks] 1v Ov. Input binary sequence time 1v Ov wwwww

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Q3 Identify The Type Of Modulation Shown Below And Binary Data 2 Marks 1v Ov Input Binary Sequence Time 1v Ov Wwwww 1 (35.09 KiB) Viewed 26 times

Q3. Identify the type of modulation shown below and binary data. [2 marks] 1v Ov. Input binary sequence time 1v Ov wwwwwwwwwwwwww -1v time 11 fr Fig. 1 Modulation Q4. In fig. 2 (a) Estimate the frequency of signals shown in (a) and (b). [2 marks] (a), (b) OSS ha mo 2 sec Fig. 2 (a) & (6)Sinusoidal signal with frequencies Q5. A receiver operating at an effective noise temperature of 300K and a 15-MHz bandwidth. Find the thermal noise level at the receiver output? (3 Marks] Q6. (3 + 2 = 5 Marks) (a) Why modulation is needed for communication? (b) Find the modulation index of the AM wave shown in fig. 3 below. IX 16 mV 0 4 mv Fig. 3 AM wave