Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Directional antenna Space diversity Frequency diversity Broad band antenna Directional antenna Space diversity Frequency diversity Broad band antenna 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 1 8 15 16 1 8 15 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Free running multi-vibrator JK flip-flop Monostable multi-vibrator Schmitt trigger Free running multi-vibrator JK flip-flop Monostable multi-vibrator Schmitt trigger ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Very high frequency Medium frequency High frequency Low frequency Very high frequency Medium frequency High frequency Low frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Costly None of these Cheaper Almost equally costly Costly None of these Cheaper Almost equally costly ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Reactance FET modulator Varactor diode modulator Armstrong modulator Reactance bipolar transistor Reactance FET modulator Varactor diode modulator Armstrong modulator Reactance bipolar transistor ANSWER DOWNLOAD EXAMIANS APP
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