Microwave Communication A high-power microwave pulse of the order of megawatts can be generated by a Gunn diode Reflex klystron Magnetron Traveling-wave tube Gunn diode Reflex klystron Magnetron Traveling-wave tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the The frequency will decrease Output power would increase Oscillation will cease Bunching would occur earlier in time The frequency will decrease Output power would increase Oscillation will cease Bunching would occur earlier in time ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a radar-set receiver, the usual mixer stage is A Rochelle salts crystal And FET A tunnel diode A silicon crystal A Rochelle salts crystal And FET A tunnel diode A silicon crystal ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers Must be increased Must be doubled May be decreased Must remain as before Must be increased Must be doubled May be decreased Must remain as before ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Microwave frequencies are normally regarded as those in the range of 1000 to 10,000 GHz 1 to 100 GHz 1 to 500 MHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 100 GHz 1 to 500 MHz 10 to 1000 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m) S = λR/RL S = 3λR/L S = 2λR/L S = λR/L S = λR/RL S = 3λR/L S = 2λR/L S = λR/L ANSWER DOWNLOAD EXAMIANS APP
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