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Microwave Communication
Which of the following is used as an oscillator device in the SHF band?
Thyratron tube
Both B and C
Tunnel diode
Klystron tube
Thyratron tube
Both B and C
Tunnel diode
Klystron tube
Answer
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Related Question
Microwave Communication
__________ is the progressive decrease of signal strength with increasing distance.
Propagation
Modulation
Radiation
Attenuation
Propagation
Modulation
Radiation
Attenuation
Answer
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Microwave Communication
The maximum usable range of the usual radar set (on any particular range setting) is determined by
The interval between transmitted pulses
The duty cycle
The width of the transmitted pulses
The bandwidth of the receiver IF stages
The interval between transmitted pulses
The duty cycle
The width of the transmitted pulses
The bandwidth of the receiver IF stages
Answer
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Microwave Communication
What allow microwave to pass in only one direction?
Ferrite emitter
Varactor-triac
RF emitter
Capacitor
Ferrite emitter
Varactor-triac
RF emitter
Capacitor
Answer
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Microwave Communication
The Gunn diode oscillator
Operates over a positive resistance characteristic
Is capable of generating continuous microwave power of the order of kilowatt
Depends on the formation of charge domain
Generates frequencies which are below 100 MHz
Operates over a positive resistance characteristic
Is capable of generating continuous microwave power of the order of kilowatt
Depends on the formation of charge domain
Generates frequencies which are below 100 MHz
Answer
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Microwave Communication
Rainfall is an important factor for fading of radio waves at frequencies above
1 GHz
100 MHz
100 GHz
10 GHz
1 GHz
100 MHz
100 GHz
10 GHz
Answer
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