Microwave Communication Which of the following is used as an oscillator device in the SHF band? Thyratron tube Both B and C Klystron tube Tunnel diode Thyratron tube Both B and C Klystron tube Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the π mode 2π mode π/4 mode π/2 mode π mode 2π mode π/4 mode π/2 mode ANSWER DOWNLOAD EXAMIANS APP
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? Wave trap Tunnel diode Circulator Isolator Wave trap Tunnel diode Circulator Isolator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? Ferrite emitter Varactor-triac Capacitor RF emitter Ferrite emitter Varactor-triac Capacitor RF emitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Oscillators of a klystron tube are maintained By plate-to-cathode feedback By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By bunches of electrons passing the cavity grids By plate-to-cathode feedback By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By bunches of electrons passing the cavity grids 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
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