Microwave Communication Which of the following is used as a high power microwave oscillator? Reflex-klystron Thyratron Klystron Magnetron Reflex-klystron Thyratron Klystron Magnetron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The main frequency determining element of a klystron is Its mode of operation The accelerating voltage Its resonant cavity The repeller voltage Its mode of operation The accelerating voltage Its resonant cavity The repeller voltage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the function of the duplexer is to Allow the transmitter and the receiver to operate from a common antenna All of these Aid in calibrating the display unit Prevent frequency drift in the klystron Allow the transmitter and the receiver to operate from a common antenna All of these Aid in calibrating the display unit Prevent frequency drift in the klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To keep the electrons from spreading out To velocity modulate the electron beam To accelerate the electron To slow down the signal on the helix To keep the electrons from spreading out To velocity modulate the electron beam To accelerate the electron To slow down the signal on the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Random Doppler shift Rayleigh fading Slow fading Delayed spreading Random Doppler shift Rayleigh fading Slow fading Delayed spreading ANSWER DOWNLOAD EXAMIANS APP
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