Communication Systems A buffer amplifier is A high gain D.C. amplifier A double-tuned amplifier A cathode follower stage None of these A high gain D.C. amplifier A double-tuned amplifier A cathode follower stage None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Fourier analysis indicate that a square wave can be represented as 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 A fundamental sine wave and odd harmonics ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 108 MHz 100 kHz 88 MHz 150 kHz 108 MHz 100 kHz 88 MHz 150 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Phase Analogue Modulation Pulse Analogue Modulation Pulse Amplitude Modulation Phase Amplitude Modulation Phase Analogue Modulation Pulse Analogue Modulation Pulse Amplitude Modulation Phase Amplitude Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For telegraphy the most commonly used modulation system is Single tone modulation PCM FSK Two tone modulation Single tone modulation PCM FSK Two tone modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system Quantising noise can be overcome by companding Large bandwidth is required Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be reduced by decreasing the number of standard levels Quantising noise can be overcome by companding Large bandwidth is required Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be reduced by decreasing the number of standard levels ANSWER DOWNLOAD EXAMIANS APP
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