Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Local oscillator Transmitter oscillator Single mixer stage Duplexer stage Local oscillator Transmitter oscillator Single mixer stage Duplexer stage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? 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 To keep the electrons from spreading out To velocity modulate the electron beam ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The main frequency determining element of a klystron is The repeller voltage The accelerating voltage Its mode of operation Its resonant cavity The repeller voltage The accelerating voltage Its mode of operation Its resonant cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Raising the peak power of the transmitter Lowering the pulse frequency Narrowing the beam width and increasing the pulse duration All of these Raising the peak power of the transmitter Lowering the pulse frequency Narrowing the beam width and increasing the pulse duration All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Direct coax-helix match Cavity match All of these Waveguide match Direct coax-helix match Cavity match All of these Waveguide match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Tunnel diode Isolator Circulator Wave trap Tunnel diode Isolator Circulator Wave trap ANSWER DOWNLOAD EXAMIANS APP
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