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Microwave Communication

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

Capacitor
RF emitter
Varactor-triac
Ferrite emitter

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Microwave Communication
In a pulsed radar set, the function of the duplexer is to

Prevent frequency drift in the klystron
Allow the transmitter and the receiver to operate from a common antenna
All of these
Aid in calibrating the display unit

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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
Circulator
Isolator

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

Gunn diode
Traveling-wave tube
Reflex klystron
Magnetron

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

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

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

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

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MORE MCQ ON Microwave Communication

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