Communication Systems Which of the following is a digital modulation technique? PCM PSK All DM PCM PSK All DM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Pulse Analogue Modulation Pulse Amplitude Modulation Phase Analogue Modulation Phase Amplitude Modulation Pulse Analogue Modulation Pulse Amplitude Modulation Phase Analogue Modulation Phase Amplitude Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band stop filter Band pass filter High pass filter Low pass filter Band stop filter Band pass filter High pass filter Low pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The modulation index of an FM is changed from 0 to 1. How does the transmitted power change? Remains unchanged Gets doubled Gets halved Gets increased by 50 percent Remains unchanged Gets doubled Gets halved Gets increased by 50 percent ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Resistance Inductance Series capacitance Shunt capacitance Resistance Inductance Series capacitance Shunt capacitance ANSWER DOWNLOAD EXAMIANS APP
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