Communication Systems A modem is classified as low speed if data rate handled is Upto 250 bps Upto 400 bps Upto 100 bps Upto 600 bps Upto 250 bps Upto 400 bps Upto 100 bps Upto 600 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of frequency modulation, modulating voltage remains constant if the modulating frequency is lowered, then Amplitude of distant sidebands decreases Amplitude of distant sidebands first increases, then decreases Amplitude of distant sidebands remains constant Amplitude of distant sidebands increases Amplitude of distant sidebands decreases Amplitude of distant sidebands first increases, then decreases Amplitude of distant sidebands remains constant Amplitude of distant sidebands increases ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Phase Analogue Modulation Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Phase Analogue Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Serrations Vertical blanking Horizontal retrace Horizontal blanking Serrations Vertical blanking Horizontal retrace Horizontal blanking ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 113 102.3 80.9 70.2 113 102.3 80.9 70.2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required Quantising noise can be overcome by companding Quantising noise can be reduced by decreasing the number of standard levels Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required Quantising noise can be overcome by companding Quantising noise can be reduced by decreasing the number of standard levels ANSWER DOWNLOAD EXAMIANS APP
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