Microwave Communication A PPI cathode-ray tube as used on a radar set Is used for receiver alignment Is used to check the percentage of modulation Indicates both the range and azimuth of a target Indicates only the range of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates both the range and azimuth of a target Indicates only the range of a target 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? Circulator Tunnel diode Isolator Wave trap Circulator Tunnel diode Isolator Wave trap ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the function of the duplexer is to Prevent frequency drift in the klystron Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna All of these Prevent frequency drift in the klystron Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Propagation Attenuation Radiation Modulation Propagation Attenuation Radiation Modulation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 3000 to 30000 MHz 300 to 3000 MHz 10 to 10000 MHz 30 to 30000 MHz 3000 to 30000 MHz 300 to 3000 MHz 10 to 10000 MHz 30 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator 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. Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS