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Microwave Communication

Microwave Communication
Coupling into and out of a traveling-wave tube can be accompanied by a

Waveguide match
Direct coax-helix match
Cavity match
All of these

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

Rayleigh fading
Slow fading
Wavelength fading
Rician fading

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

Varactor-triac
Capacitor
RF emitter
Ferrite emitter

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Microwave Communication
The main frequency determining element of a klystron is

Its resonant cavity
Its mode of operation
The repeller voltage
The accelerating voltage

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Microwave Communication
A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is

10,000 watts
100 watts
1,000,000 watts
1,000 watts

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

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

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MORE MCQ ON Microwave Communication

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