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venkyelectrical
Asked: 2022-08-03T17:51:34+00:00 In:

3.2.1. Consider the DSB-LC AM signal s(t) = (A+ ˜m(t)) cos(2πfct) with periodic message signal m˜ (t) with fundamental period 4 and fundamental cycle m(t) = (a) Determine the message power Pm. (b) Suppose the modulation index is 6 7 . Determine A, the DSB-LC signal power, and the power efficiency. (c) Repeat part (b) if instead the value of A is the minimum required for DSB-LC.

3.2.1. Consider the DSB-LC AM signal s(t) = (A+ ˜m(t)) cos(2πfct) with periodic message signal
m˜ (t) with fundamental period 4 and fundamental cycle m(t) =

(a) Determine the message power Pm.
(b) Suppose the modulation index is 6
7
. Determine A, the DSB-LC signal power, and the
power efficiency.
(c) Repeat part (b) if instead the value of A is the minimum required for DSB-LC.

3.2.1. Consider the DSB-LC AM signal s(t) = (A+ ˜m(t)) cos(2πfct) with periodic message signal m˜ (t) with fundamental period 4 and fundamental cycle m(t) = (a) Determine the message power Pm. (b) Suppose the modulation index is 6 7 . Determine A, the DSB-LC signal power, and the power efficiency. (c) Repeat part (b) if instead the value of A is the minimum required for DSB-LC.

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