Microwave Communication The Gunn diode oscillator Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Rayleigh fading Delayed spreading Random Doppler shift Slow fading Rayleigh fading Delayed spreading Random Doppler shift Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Microwave frequencies are normally regarded as those in the range of 1 to 100 GHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 500 MHz 1 to 100 GHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 500 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 10 GHz 100 MHz 1 GHz 100 GHz 10 GHz 100 MHz 1 GHz 100 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Oscillators of a klystron tube are maintained By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By plate-to-cathode feedback By bunches of electrons passing the cavity grids By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By plate-to-cathode feedback By bunches of electrons passing the cavity grids ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following operating frequencies is used for the modern loran navigational system? Loran D: 10.2 kHz Loran A: 1950 kHz Loran B: 900 kHz Loran C: 100 kHz Loran D: 10.2 kHz Loran A: 1950 kHz Loran B: 900 kHz Loran C: 100 kHz ANSWER DOWNLOAD EXAMIANS APP
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