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An AM broadcast transmitter has a carrier power output of 100 kw. Find the total power and sideband power with 75% modulation.
written 7.8 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 7.8 years ago

Mumbai University > Electronics Engineering > Sem4 > Fundamentals of Communication Engineering

Marks: 6M

Year: May 15
wireless communication
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written 7.8 years ago by gravatar for teamques10 teamques10 ★ 65k

PC =100 kw

M = 0.75

The total power transmitted by an AM wave is given by

$Pt = P_C + P_{USB} + P_{LSB} \\ P_{USB} = P_{LSB} = \frac{m^2}4 \times PC$

Sideband Powers =$P_{LSB}$ and $P_{USB}$

Sideband Powers $= 100KW \times \frac{0.75^2}4 = 14.0625 K$

Total Side Band Powers …

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