Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) May be tested during the first five minutes of any hour Must have its battery replaced after emergency use Must be capable of floating or being secured to a survival All of these May be tested during the first five minutes of any hour Must have its battery replaced after emergency use Must be capable of floating or being secured to a survival All of these 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? Wave trap Circulator Isolator Tunnel diode Wave trap Circulator Isolator Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Thyratron Magnetron Reflex-klystron Klystron Thyratron Magnetron Reflex-klystron Klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Wavelength fading Slow fading Rayleigh fading Rician fading Wavelength fading Slow fading Rayleigh fading Rician fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 10 to 10000 MHz 3000 to 30000 MHz 30 to 30000 MHz 300 to 3000 MHz 10 to 10000 MHz 3000 to 30000 MHz 30 to 30000 MHz 300 to 3000 MHz 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 velocity modulate the electron beam To slow down the signal on the helix To keep the electrons from spreading out To accelerate the electron To velocity modulate the electron beam To slow down the signal on the helix ANSWER DOWNLOAD EXAMIANS APP
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