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 Aid in calibrating the display unit All of these Prevent frequency drift in the klystron Allow the transmitter and the receiver to operate from a common antenna Aid in calibrating the display unit All of these Prevent frequency drift in the klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Random Doppler shift Slow fading Delayed spreading Rayleigh fading Random Doppler shift Slow fading Delayed spreading Rayleigh fading 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 accelerate the electron To slow down the signal on the helix To velocity modulate the electron beam To keep the electrons from spreading out To accelerate the electron To slow down the signal on the helix To velocity modulate the electron beam ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Thyratron tube Klystron tube Tunnel diode Both B and C Thyratron tube Klystron tube Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the control grid of the electron gun At the collector At the cathode end of the helix At the collector end of the helix At the control grid of the electron gun At the collector At the cathode end of the helix At the collector end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz ANSWER DOWNLOAD EXAMIANS APP
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