Question: i. A signal with 200 mill watts power passes through 10 devices, each with an average noise of 2 microwatts. What is the SNRdB? If

i. A signal with 200 mill watts power passes through 10 devices, each with an average noise of 2 microwatts. What is the SNRdB? If the signal has a spectrum between 11f and 7f and the signal period is 0.5 ms, what will be the maximum channel capacity?

ii. If you want to achieve the same channel capacity in a noiseless channel, what measures would you take?

What are the problems caused by delay distortion? Explain with an example.

What is the phase shift for the following?

a. A sine wave with the maximum amplitude at time zero

b. A sine wave with zero amplitude after 3/4 cycle and increasing

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