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Assuming thatan oscilloscopedisplaysaV max of5.22VandV min of1.33V.Calculate the percentage of modulation.(5 points) Three (3) AM broadcast stations are spaced at18 kHz, beginning at73 kHz. Each

  1. Assuming thatan oscilloscopedisplaysaVmaxof5.22VandVminof1.33V.Calculate the percentage of modulation.(5 points)
  2. Three (3) AM broadcast stations are spaced at18 kHz, beginning at73 kHz. Each stationis allowed totransmit modulating up to6 kHz.Compute for the upper and lower sidebands of each station and plot it in the frequency domain.(15 points)
  3. GivenaVmaxof7.45Vand a modulation index of0.691, calculateforVmin.(5 points)
  4. A station is given a carrier frequency of88 kHz. Having a modulating frequency of12 kHz, compute for the upper and lower sidebands of the station.(5 points)

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