Microwave Communication Which of the following is used as an oscillator device in the SHF band? Klystron tube Both B and C Thyratron tube Tunnel diode Klystron tube Both B and C Thyratron tube Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication As the electron beam moves through a klystron’s intercavity drift space Frequency modulation at the input cavity creates velocity modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. Velocity modulation at the input cavity creates density modulation at the output cavity Density modulation at the input cavity creates velocity modulation at the output cavity Frequency modulation at the input cavity creates velocity modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. Velocity modulation at the input cavity creates density modulation at the output cavity Density modulation at the input cavity creates velocity modulation at the output cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 km 6370 km 8493 mmi 6370 mi 8493 km 6370 km 8493 mmi 6370 mi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the outer space Towards the ionosphere, Towards the earth Away from the earth Towards the outer space Towards the ionosphere, Towards the earth Away from the earth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Indicates both the range and azimuth of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target Indicates both the range and azimuth of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 100 MHz 10 GHz 100 GHz 1 GHz 100 MHz 10 GHz 100 GHz 1 GHz ANSWER DOWNLOAD EXAMIANS APP
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