Question

Q5: For each of the following branchs [6 Marks] A- Determine whether the following signals are energy signals, power signals, or neither: (a) (x(t) = e^{-at}u(t), quad a > 0) (b) (x(t) = Acos(omega_0t + heta)) (c) (x(t) = tu(t)) B- A 75 MHz carrier having an amplitude of 50V is modulated by a 3-kHz audio signal having an amplitude of 20 V. a) sketch the audio signal, b) sketch the carrier, c) construct the modulated wave, d) determine the modulation index and percent modulation, e) what frequency would show up in a spectrum analysis of the modulation wave?, f) write trigonometric equation for the carrier and the modulating wave? C- Drive from the first principles the effects of the synchronization in phase in the synchronous detectors in AM receivers?

          Q5: For each of the following branchs
[6 Marks]
A- Determine whether the following signals are energy signals, power signals, or neither:
(a) (x(t) = e^{-at}u(t), quad a > 0) (b) (x(t) = Acos(omega_0t + 	heta))
(c) (x(t) = tu(t))
B- A 75 MHz carrier having an amplitude of 50V is modulated by a 3-kHz audio signal
having an amplitude of 20 V. a) sketch the audio signal, b) sketch the carrier, c) construct
the modulated wave, d) determine the modulation index and percent modulation, e) what
frequency would show up in a spectrum analysis of the modulation wave?, f) write
trigonometric equation for the carrier and the modulating wave?
C- Drive from the first principles the effects of the synchronization in phase in the
synchronous detectors in AM receivers?

Q5: For each of the following branchs
[6 Marks]
A- Determine whether the following signals are energy signals, power signals, or neither:
(a) (x(t) = e^-atu(t), quad a > 0) (b) (x(t) = Acos(omega0t + heta))
(c) (x(t) = tu(t))
B- A 75 MHz carrier having an amplitude of 50V is modulated by a 3-kHz audio signal
having an amplitude of 20 V. a) sketch the audio signal, b) sketch the carrier, c) construct
the modulated wave, d) determine the modulation index and percent modulation, e) what
frequency would show up in a spectrum analysis of the modulation wave?, f) write
trigonometric equation for the carrier and the modulating wave?
C- Drive from the first principles the effects of the synchronization in phase in the
synchronous detectors in AM receivers?

Added by Marcia L.

Question

Please give Ace some feedback