Communication Systems A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is 1 16 8 15 1 16 8 15 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Inductance Shunt capacitance Series capacitance Resistance Inductance Shunt capacitance Series capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Fourier analysis indicate that a square wave can be represented as A fundamental sine wave and odd harmonics Fundamental and subharmonic sine waves A fundamental sine wave and harmonics A fundamental sine wave and even harmonics A fundamental sine wave and odd harmonics Fundamental and subharmonic sine waves A fundamental sine wave and harmonics A fundamental sine wave and even harmonics ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 455 kHz 1.07 MHz 106 kHz 10.7 MHz 455 kHz 1.07 MHz 106 kHz 10.7 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For telegraphy the most commonly used modulation system is PCM Two tone modulation FSK Single tone modulation PCM Two tone modulation FSK Single tone modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Non-linear devices Class C amplifiers Linear devices Harmonic devices Non-linear devices Class C amplifiers Linear devices Harmonic devices ANSWER DOWNLOAD EXAMIANS APP
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