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For a Double SideBand – Large Carrier (DSB-LC) Modulated Amplitude Modulator (AM) with a carrier frequency...

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Electrical Engineering

For a Double SideBand – Large Carrier (DSB-LC) ModulatedAmplitude Modulator (AM) with a carrier frequency Fc = 1100kHz zand a maximum modulating signal frequency Fm (max) = 22kHz,determine:

a. Frequency limits for the lower side bands (LSB) and upper(USB).

b. Bandwidth

c. The equation for the AM signal if the carrier has a Vrmavoltage of 6V and the modulating signal has a Vrma voltage of 1V.Consider the fm(max) transmission.

d. Lower (LSB) and upper (USB) side frequencies when themodulating signal is a 10kHz tone.

e. Draw the frequency spectrum when the modulating signal has afrequency of 20kHz and when it has a frequency of 10kHz.

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