Communication Systems A modem is classified as low speed if data rate handled is Upto 250 bps Upto 600 bps Upto 400 bps Upto 100 bps Upto 250 bps Upto 600 bps Upto 400 bps Upto 100 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Full duplex operation permits transmission in both directions at the same time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers 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
Communication Systems PAM stands for Pulse Amplitude Modulation Phase Amplitude Modulation Phase Analogue Modulation Pulse Analogue Modulation Pulse Amplitude Modulation Phase Amplitude Modulation Phase Analogue Modulation Pulse Analogue Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is A cathode follower stage A double-tuned amplifier None of these A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier None of these A high gain D.C. amplifier ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is High power output per transistor Improved efficiency Better linearity The lower modulating power requirement High power output per transistor Improved efficiency Better linearity The lower modulating power requirement ANSWER DOWNLOAD EXAMIANS APP
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