Communication Systems Commercial Frequency deviation of FM is 65 kHz 75 kHz 70 kHz 80 kHz 65 kHz 75 kHz 70 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Pulse Analogue Modulation Phase Analogue Modulation Pulse Amplitude Modulation Phase Amplitude Modulation Pulse Analogue Modulation Phase Analogue Modulation Pulse Amplitude Modulation Phase Amplitude Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Neither A nor B Either A or B Duplex arrangement Half duplex arrangement Neither A nor B Either A or B Duplex arrangement Half duplex arrangement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Impurities Microbending Attenuation in glass Stepped index operation Impurities Microbending Attenuation in glass Stepped index operation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. 3 -3 2 1 3 -3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter Eliminates any change in amplitude of received FM signals None of these Amplifiers low frequency signals Reduces the amplitude of signals Eliminates any change in amplitude of received FM signals None of these Amplifiers low frequency signals Reduces the amplitude of signals ANSWER DOWNLOAD EXAMIANS APP
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