Hamad Modulation and Demodulation 23/12/2022 A. RF B. IF C. audio D. Before RF Related Mcqs: At 100% modulation, the power in each sideband is _____________ of that of carrier?A. 50% B. 40% C. 60% D. 25%... In a radio receiver, noise is generally developed at _______________?A. IF stage B. Receiving antenna C. Audio stage D. RF stage... The function of ferrite antenna is to_________________?A. Reduce stray capacitance B. Stabilise d.c. bias C. Increase the Q of tuned circuit D. Reduce noise... The IF is 455 kHz. If the radio receiver is tuned to 855 kHz, the local oscillator frequency is _______________?A. 455 kHz B. 1310 kHz C. 1500 kHz D. 1520 kHz... As the modulation level is increased, the carrier power__________________?A. Is increased B. Remains the same C. Is decreased D. None of the above...
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