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 Wave trap Isolator Tunnel diode Circulator Wave trap Isolator Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target. Tune the magnetron to the correct frequency To the tone of the pulse repetition Which may be used to tune the radar synchronizer Which may be used to tune the radar receiver Tune the magnetron to the correct frequency To the tone of the pulse repetition Which may be used to tune the radar synchronizer Which may be used to tune the radar receiver ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Thyratron Klystron Magnetron Reflex-klystron Thyratron Klystron Magnetron Reflex-klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m) S = λR/RL S = 3λR/L S = λR/L S = 2λR/L S = λR/RL S = 3λR/L S = λR/L S = 2λR/L ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. Echosounder SONAR Fathometer LORAN Echosounder SONAR Fathometer LORAN ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna? Simplex Magnetron Isolator Circulator Simplex Magnetron Isolator Circulator ANSWER DOWNLOAD EXAMIANS APP
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