Bissoy.com
Doctors Medicines MCQs Q&A

A 2 MHz carrier is amplitude modulated by a 500 Hz modulating signal to a depth of 70%. If the unmodulated carrier power is 2 kW, the power of the modulated signal is

A 2 MHz carrier is amplitude modulated by a 500 Hz modulating signal to a depth of 70%. If the unmodulated carrier power is 2 kW, the power of the modulated signal is Correct Answer 2.23 kW

n:Pt = Pc (1 + 0.49/2).

Related Questions

A GSM cellular telephone standard requires a minimum of 9 dB rejection of interfering signal levels of -23 dBm at 3 MHz from the carrier, -33 dBm at 1.6 MHz from the carrier, and -43 dBm at 0.6 MHz from the carrier, for a carrier level of -99 dBm. Determine the required local oscillator phase noise at 3 MHz carrier frequency offset.
The Department of Telecommunications has issued a notice inviting applications for auction of Spectrum in 700 megahertz, 800 MHz, 900 MHz, 1800 MHz, 2100 MHz, 2300 MHz and 2500 MHz bands. The validity of auctioned Spectrum shall be how many years?
The following table shows the income (in rupees) for a particular month, together with their source, in respect of 5 employees (A, B, C, D and E).   A B C D E Salary 52,000 48,500 42,000 31,000 25,000 Overtime 0 0 1,500 2,500 3,200 Arrears 5.500 4,500 4,000 3,000 1,500 Bonus 3,500 3,000 2,500 2,000 2,000 Miscellaneous income 5,000 3,000 1,500 1,500 0 Total 66,000 59,000 40,000 40,000 31,700   For employee D, the income from overtime is what percentage of his total income?
The following table shows the income (In Rs.) for a particular month, together with their source, with respect to 5 employees (A, B, C, D, and E)   A B C D E Salary 52,000 48,500 42,000 31,000 25,000 Overtime 0 0 1,500 2,500 3,200 Arrears 5,500 4,500 4,000 3,000 1,500 Bonus 3,500 3,000 2,500 2,000 2,000 Miscellaneous income 5,000 3,000 2,000 1,500 0 Total 66,000 59,000 52,000 40,000 31,700   How many employees got more than a total of Rs. 10,000 as income other than salary?
The following table shows the income (in rupees) for a particular month, together with their source, in respect of 5 employees (A, B, C, D and E)   A B C D E Salary 52,000 48,500 42,000 31,000 25,000 Overtime 0 0 1,500 2,500 3,200 Arrears 5,500 4,500 4,000 3,000 1,500 Bonus 3,500 3,000 2,500 2,000 2,000 Miscellaneous income 5,000 3,000 2,000 1,500 0 Total 66,000 59,000 52,000 40,000 31,700 How many employees got more arrears than the average arrears received by all the employees?
The table below shows income (in rupees) for a particular month, together with their sources in respect of 5 employees A, B, C, D and E Employee A B C D E Salary 52,000 48,500 42,000 31,000 25,000 Overtime 0 0 1,500 2,500 3,200 Arrears 5,500 4,500 4,000 3,000 1,500 Bonus 3,500 3,000 2,500 2,000 2,000 Miscellaneous income 5,000 3,000 2,000 1,500 0 Total 66,000 59,000 52,000 40,000 31,700 How many employees have their salary more than four times their other incomes?
In Amplitude Modulation, the instantaneous values of the carrier amplitude changes in accordance with the amplitude and frequency variations of the modulating signal.
In frequency modulation, the amplitude of modulated carrier signal is ______and its frequency is ______ by the modulating message signal.
If the peak message signal amplitude is half the peak amplitude of the carrier signal, the signal is _____ modulated.
The IF spectrum consists of a vision carrier, a first IF carrier at 5.5 MHz and a second at 5.7421 MHz from the vision carrier in stereo sound in television.