Communication Systems In a FM receiver, amplitude limiter Amplifiers low frequency signals Reduces the amplitude of signals None of these Eliminates any change in amplitude of received FM signals Amplifiers low frequency signals Reduces the amplitude of signals None of these Eliminates any change in amplitude of received FM signals ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier None of these A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The main function of a balanced modulator is to Produce 100% modulation Produce balanced modulation of a carrier wave Limit noise picked by a receiver Suppress carrier signal in order to create a single-sideband or double sideband Produce 100% modulation Produce balanced modulation of a carrier wave Limit noise picked by a receiver Suppress carrier signal in order to create a single-sideband or double sideband ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 70 kHz 10 kHz 35 kHz 1280 kHz 70 kHz 10 kHz 35 kHz 1280 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 600 bps Upto 100 bps Upto 400 bps Upto 250 bps Upto 600 bps Upto 100 bps Upto 400 bps Upto 250 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Leak type bias is used in plate modulated class C amplifier to Prevent tuned circuit damping Prevent over modulation Increase the bandwidth Prevent excessive grid current Prevent tuned circuit damping Prevent over modulation Increase the bandwidth Prevent excessive grid current ANSWER DOWNLOAD EXAMIANS APP
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