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Microwave Communication

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

Slow fading
Wavelength fading
Rician fading
Rayleigh fading

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Microwave Communication
In an SHF pulsed radar set, a reflex klystron can be used as a

Duplexer stage
Single mixer stage
Local oscillator
Transmitter oscillator

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Microwave Communication
To achieve good bearing resolution when using a pulsed-radar set, an important requirement is

A narrow, antenna-beam width in the vertical plane
A high duty cycle
A narrow, antenna-beam width in the horizontal plane
A low repetition rate

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Microwave Communication
A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the

Oscillation will cease
The frequency will decrease
Bunching would occur earlier in time
Output power would increase

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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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Microwave Communication
At what position is the input signal inserted into a traveling-wave tube?

At the control grid of the electron gun
At the collector end of the helix
At the cathode end of the helix
At the collector

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MORE MCQ ON Microwave Communication

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