Communication Systems For telegraphy the most commonly used modulation system is Single tone modulation Two tone modulation PCM FSK Single tone modulation Two tone modulation PCM FSK ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 10.7 MHz 1.07 MHz 106 kHz 455 kHz 10.7 MHz 1.07 MHz 106 kHz 455 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Phase Analogue Modulation Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Phase Analogue Modulation Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Series capacitance Resistance Inductance Shunt capacitance Series capacitance Resistance Inductance Shunt capacitance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Clockwise or anticlockwise depending on frequency of data stored Clockwise Mostly anticlockwise but some times clockwise Anticlockwise Clockwise or anticlockwise depending on frequency of data stored Clockwise Mostly anticlockwise but some times clockwise Anticlockwise ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Harmonic devices Non-linear devices Class C amplifiers Linear devices Harmonic devices Non-linear devices Class C amplifiers Linear devices ANSWER DOWNLOAD EXAMIANS APP
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