Communication Systems A modem is classified as low speed if data rate handled is Upto 600 bps Upto 250 bps Upto 100 bps Upto 400 bps Upto 600 bps Upto 250 bps Upto 100 bps Upto 400 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 455 kHz 106 kHz 1.07 MHz 10.7 MHz 455 kHz 106 kHz 1.07 MHz 10.7 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 1280 kHz 10 kHz 70 kHz 35 kHz 1280 kHz 10 kHz 70 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is Better linearity The lower modulating power requirement High power output per transistor Improved efficiency Better linearity The lower modulating power requirement High power output per transistor Improved efficiency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Monostable multi-vibrator Free running multi-vibrator Schmitt trigger JK flip-flop Monostable multi-vibrator Free running multi-vibrator Schmitt trigger JK flip-flop ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 70 kHz 65 kHz 75 kHz 80 kHz 70 kHz 65 kHz 75 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP