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Microwave Communication

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

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

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Microwave Communication
Which of the following operating frequencies is used for the modern loran navigational system?

Loran B: 900 kHz
Loran D: 10.2 kHz
Loran A: 1950 kHz
Loran C: 100 kHz

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Microwave Communication
A high-power microwave pulse of the order of megawatts can be generated by a

Magnetron
Traveling-wave tube
Gunn diode
Reflex klystron

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

Rician fading
Slow fading
Wavelength fading
Rayleigh fading

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Microwave Communication
Klystron oscillators are most often used in the frequency range of

30 to 30000 MHz
300 to 3000 MHz
10 to 10000 MHz
3000 to 30000 MHz

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Microwave Communication
Microwave frequencies are normally regarded as those in the range of

1 to 500 MHz
10 to 1000 GHz
1000 to 10,000 GHz
1 to 100 GHz

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MORE MCQ ON Microwave Communication

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