1d bewollt 101 Figure P4.3-3 SAM (t)=2[b+0.5m(t)]cos wcl (a) Determine the average power in SAM (t) as a function of b and A. (b) If b = A, determine the modulation index and the modulation power efficiency. (c) Find the minimum value of b such that the AM signal can still be demodulated via envelope detection. Determine maximum modulation index and maximum modulation power efficiency based on the resulting b. 4.3-3 Repeat Prob. 4.3-1 for the message signal m(t) shown in Fig. P4.3-3. m(1) A- MMM. AA -0.05 0.05 -A++
1d bewollt 101 Figure P4.3-3 SAM (t)=2[b+0.5m(t)]cos wcl (a) Determine the average power in SAM (t) as a function of b and A. (b) If b = A, determine the modulation index and the modulation power efficiency. (c) Find the minimum value of b such that the AM signal can still be demodulated via envelope detection. Determine maximum modulation index and maximum modulation power efficiency based on the resulting b. 4.3-3 Repeat Prob. 4.3-1 for the message signal m(t) shown in Fig. P4.3-3. m(1) A- MMM. AA -0.05 0.05 -A++
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Repeat prob. 4.3-2 for the message signal m(t) given in Fig. P4.3-3.
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