In Section 8.4 we discussed the implementation of single-sideband modulation using 90
Chapter 8, Problem 8.28(choose chapter or problem)
In Section 8.4 we discussed the implementation of single-sideband modulation using 90 phase-shift networks, and in Figures 8.21 and 8.22 we specifically illustrated the system and associated spectra required to retain the lower sidebands. x(t) Figure P8.28(a) shows the corresponding system required to retain the upper sidebands. (a) With the same X(jw) illustrated in Figure 8.22, sketch Y1 (jw ), Y2(jw ), and Y(jw) for the system in Figure P8.28(a), and demonstrate that only the upper sidebands are retained. (b) For X(jw) imaginary, as illustrated in Figure P8.28(b), sketch Y 1(jw), Y2(jw), and Y(jw) for the system in Figure P8.28(a), and demonstrate that, for this case also, only the upper sidebands are retained.
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