Q.3 a) The frequency spectrum of Amplitude Modulation with Full Carrier (AM-FC) signal is shown in Fig 2. Find frequency and time domain expressions of AM-FC signal. Also calculate the net modulation...


Q.3 a) The frequency spectrum of Amplitude Modulation with Full Carrier (AM-FC)<br>signal is shown in Fig 2. Find frequency and time domain expressions of AM-FC signal.<br>Also calculate the net modulation index, total power of AM-FC signal and modulation<br>efficiency.<br>VAM-Fe ($)<br>5<br>2<br>2<br>-205 -202 - 20o0 -193 -195<br>202 205 > f(K Hz)<br>195 198 200 202 205<br>Fig2<br>b) A message signal m(t) = 28(t) + 38(t-2) + 8(t-5) is applied as an input to a SSB-SC<br>modulator. Find the time domain expressions of SSB-SC signal with Lower Side Band and<br>SSB-SC signal with Upper Side Band. Assume cos(200000xt) is the applied carrier signal.<br>

Extracted text: Q.3 a) The frequency spectrum of Amplitude Modulation with Full Carrier (AM-FC) signal is shown in Fig 2. Find frequency and time domain expressions of AM-FC signal. Also calculate the net modulation index, total power of AM-FC signal and modulation efficiency. VAM-Fe ($) 5 2 2 -205 -202 - 20o0 -193 -195 202 205 > f(K Hz) 195 198 200 202 205 Fig2 b) A message signal m(t) = 28(t) + 38(t-2) + 8(t-5) is applied as an input to a SSB-SC modulator. Find the time domain expressions of SSB-SC signal with Lower Side Band and SSB-SC signal with Upper Side Band. Assume cos(200000xt) is the applied carrier signal.

Jun 11, 2022
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