Communication Systems In practical commercial FM system, channel bandwidth is 100 kHz 88 MHz 108 MHz 150 kHz 100 kHz 88 MHz 108 MHz 150 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 100 ohm 300 ohm 1000 ohm 500 ohm 100 ohm 300 ohm 1000 ohm 500 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Delta modulation PCM PWM Differential PCM Delta modulation PCM PWM Differential PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Varactor diode modulator Reactance bipolar transistor Reactance FET modulator Armstrong modulator Varactor diode modulator Reactance bipolar transistor Reactance FET modulator Armstrong modulator ANSWER DOWNLOAD EXAMIANS APP
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 16 8 1 15 16 8 1 15 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 0.5 1 0.8 0.5 1 0.8 ANSWER DOWNLOAD EXAMIANS APP
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