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Microwave Communication

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

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

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Microwave Communication
The resonant frequency of a cavity resonator depends upon

Its physical dimensions
Its electrical dimensions
The mode of operation
The capacitor which tunes it

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Microwave Communication
The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the

Inter-electrode capacitance
Distributed lead inductance
Electron transit time
Degree of emission from the cathode

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

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

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

Duplexer stage
Local oscillator
Transmitter oscillator
Single mixer stage

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

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

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MORE MCQ ON Microwave Communication

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