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Microwave Communication

Microwave Communication
Which causes multipath or frequency selective fading?

Further reflector
Nearer reflector
Small reflector
Large reflector

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Microwave Communication
What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna?

Magnetron
Simplex
Isolator
Circulator

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Microwave Communication
Which of the following is used as an oscillator device in the SHF band?

Klystron tube
Tunnel diode
Thyratron tube
Both B and C

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Microwave Communication
It is possible to increase the maximum range of a radar equipment by

Raising the peak power of the transmitter
Narrowing the beam width and increasing the pulse duration
All of these
Lowering the pulse frequency

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Microwave Communication
Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction?

Tunnel diode
Circulator
Wave trap
Isolator

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Microwave Communication
The aquadag coating on the inside of PPI tube is used

As a second anode and to prevent the build-up of secondary field
To focus the beam of primary electrons
All of these
To shield the electron beam from unidirectional magnetic

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MORE MCQ ON Microwave Communication

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