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Microwave Communication

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

Capacitor
RF emitter
Ferrite emitter
Varactor-triac

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Microwave Communication
The coarse frequency adjustment of a reflex klystron is accomplished by

The AFC system
Adjusting the flexible wall of the resonant cavity
Varying the repeller voltage
An adjustment in the synchronizer

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Microwave Communication
The maximum usable range of the usual radar set (on any particular range setting) is determined by

The interval between transmitted pulses
The width of the transmitted pulses
The bandwidth of the receiver IF stages
The duty cycle

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Microwave Communication
In a radar-set receiver, the usual mixer stage is

A silicon crystal
A tunnel diode
A Rochelle salts crystal
And FET

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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
π/2 mode
2π mode
π mode

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Microwave Communication
Which of the reception problems below that is not due to multipath?

Delayed spreading
Rayleigh fading
Random Doppler shift
Slow fading

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MORE MCQ ON Microwave Communication

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