5.1-2 A baseband signal mui) is the periodic sawtooth signal shown in Fig P5.1-2.
(a) Sketch 4px) and run for this signal m(1) if w. = 27 x 106. ks
= 27 x 106 ks = 2000.7. and kp = x/2.
(b) Show that this PM signal is equivalent to another PM signal modulated by a periodic rect-
angular message signal. Explain why it is necessary to use kp < r in this case. [Note that
the PM signal has a constant frequency but has phase discontinuities corresponding to the
discontinuities of min).]
Figure P.5.1-2
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