Question: (a) A PCM signal g[n] = [101011] is modulated by Amplitude Shift Keying (ASK). xc(t) = {2sin (47t) for a 1 bit for a

(a) A PCM signal g[n] = [101011] is modulated by Amplitude Shift Keying (ASK). xc(t) = {2sin(4nt) for a

(a) A PCM signal g[n] = [101011] is modulated by Amplitude Shift Keying (ASK). xc(t) = {2sin (47t) for a "1" bit for a "0" bit The bit rate of the signal is 1 bit/s. i. ii. iii. What are the disadvantages of ASK? (b) Draw the constellation diagrams of 8-PSK when the starting phase is 0. Draw the modulated waveform with the correct timing. How can the ASK signal be demodulated?

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a i The modulated ASK waveform is t0 to 1s xt 2sin4t bit 1 t1 to 2s xt 0 bit 0 t2 to 3s xt 2sin4t bi... View full answer

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