Microwave Communication In a radar-set receiver, the usual mixer stage is And FET A Rochelle salts crystal A tunnel diode A silicon crystal And FET A Rochelle salts crystal A tunnel diode A silicon crystal ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Klystron tube Tunnel diode Thyratron tube Both B and C Klystron tube Tunnel diode Thyratron tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 100 GHz 1 GHz 100 MHz 10 GHz 100 GHz 1 GHz 100 MHz 10 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density 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 Bunching would occur earlier in time Oscillation will cease Output power would increase The frequency will decrease Bunching would occur earlier in time Oscillation will cease Output power would increase The frequency will decrease ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Degree of emission from the cathode Electron transit time Inter-electrode capacitance Distributed lead inductance Degree of emission from the cathode Electron transit time Inter-electrode capacitance Distributed lead inductance ANSWER DOWNLOAD EXAMIANS APP
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