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Microwave Communication

Microwave Communication
What allow microwave to pass in only one direction?

RF emitter
Ferrite emitter
Capacitor
Varactor-triac

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Microwave Communication
A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor.

LORAN
Echosounder
Fathometer
SONAR

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Microwave Communication
What do you call an attenuation that occurs over many different wavelengths of the carrier?

Rician fading
Rayleigh fading
Wavelength fading
Slow fading

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Microwave Communication
What is the purpose of the electromagnetic field which surrounds a traveling-wave tube?

To accelerate the electron
To velocity modulate the electron beam
To keep the electrons from spreading out
To slow down the signal on the helix

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Microwave Communication
If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the

π/4 mode
2π mode
π mode
π/2 mode

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Microwave Communication
Which of the following is used as a high power microwave oscillator?

Klystron
Magnetron
Thyratron
Reflex-klystron

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MORE MCQ ON Microwave Communication

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