3.8 A message signal m(t) = sin 3000nt + 2 sin 5000nt modulates the carrier c(t) 50 cos 2n fet, where f. = 1 MHz to produce the DSB signal m(t)c(t). 1. Determine the expression for the upper-sideband (USB) signal. 2. Determine and sketch the spectrum of the USB signal.

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= sin 3000rt + 2 sin 5000nt modulates the carrier c(t) =
3.8 A message signal m(t)
50 cos 2n fet, where fe = 1 MHz to produce the DSB signal m(t)c(t).
1. Determine the expression for the upper-sideband (USB) signal.
2. Determine and sketch the spectrum of the USB signal.
Transcribed Image Text:= sin 3000rt + 2 sin 5000nt modulates the carrier c(t) = 3.8 A message signal m(t) 50 cos 2n fet, where fe = 1 MHz to produce the DSB signal m(t)c(t). 1. Determine the expression for the upper-sideband (USB) signal. 2. Determine and sketch the spectrum of the USB signal.
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