Calculate the power in one of the side band in SSBSC modulation when the carrier power is 124W and there is 80% modulation depth in the amplitude modulated signal. (CO1)(B5)

What is the effect on the transmitted power of AM signal when the modulation index changes from 0.8 to 1? (CO1)(B5)

Calculate the power in a DSB SC signal when the modulation is 60% with a carrier power of 600W. (CO1)(B5)

Calculate the modulation index when the un modulated carrier power is 15KW, and after modulation, carrier power is 17KW. (CO1)(B5)

Calculate the side band power in an SSBSC signal when there is 50% modulation and the carrier power is 50W. (CO1)(B5)

What is the change in the value of transmitted power when the modulation index changes from 0 to 1? (CO1)(B5)

Calculate the power saved in an Amplitude Modulated wave when it is transmitted with 45% modulation

- Without carrier

- Without carrier and a sideband

(CO1)(B5)

If an AM signal is represented by

v = ( 15 + 3 Sin( 2Π * 5 * 10³ t) ) * Sin( 2Π * 0.5 * 10⁶ t) volts

i) Calculate the values of the frequencies of carrier and modulating signals. (CO1)(B5)

If an AM signal is represented by

v = ( 15 + 3 Sin( 2Π * 5 * 10³ t) ) * Sin( 2Π * 0.5 * 10⁶ t) volts

i)Calculate the value of modulation index. (CO1)(B5)

A 100MHz carrier is frequency modulated by 10 KHz wave. For a frequency deviation of 50 KHz, calculate the modulation index of the FM signal. (C02)(B5)

For a FM signal v(t) = 25 cos (15 * 10⁸t + 10 sin 1550t), calculate Maximum frequency deviation. (CO2)(B5)

Determine the Bandwidth of a FM wave when the maximum deviation allowed is 75KHz and the modulating signal has a frequency of 10KHz. (CO2)(B5)

A 100MHz carrier is frequency modulated by 5 KHz wave. For a frequency deviation of 100 KHz, calculate the carrier swing of the FM signal. (CO2)(B5)

For a FM signal v(t) = 15 cos ( 10 * 10⁸t + 10 sin 1220t), calculate Carrier frequency. (CO2)(B5)