Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The dimension of each cavity resonator The flux density of the external magnet The ratio of the dc cathode voltage to the magnetic flux density The number of the cavity resonators The dimension of each cavity resonator The flux density of the external magnet The ratio of the dc cathode voltage to the magnetic flux density The number of the cavity resonators ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The interval between transmitted pulses The bandwidth of the receiver IF stages The duty cycle The width of the transmitted pulses The interval between transmitted pulses The bandwidth of the receiver IF stages The duty cycle The width of the transmitted pulses 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 remain as before May be decreased Must be doubled Must be increased Must remain as before May be decreased Must be doubled ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a radar-set receiver, the usual mixer stage is A tunnel diode And FET A silicon crystal A Rochelle salts crystal A tunnel diode And FET A silicon crystal A Rochelle salts crystal ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Indicates both the range and azimuth of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target Indicates both the range and azimuth of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Reflex-klystron Klystron Magnetron Thyratron Reflex-klystron Klystron Magnetron Thyratron ANSWER DOWNLOAD EXAMIANS APP