Exercise (4): A signal has passed through three cascaded amplifiers, each with 4dB gain: (a) what is the total gain? How much is the signal amplified? (b) If the medium transmission loss is 15DB, what is the received power (in dB and dBm) if transmitted power is 10dB?

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Q: d)draw the even and odd components of the following signal 11 0. 4 5

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Q: 3) Determine the fundamental period of the signal x[n] = 1 + ej4mn1 – ej2mnl5. %3D

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