Microwave Communication What allow microwave to pass in only one direction? Ferrite emitter Capacitor RF emitter Varactor-triac Ferrite emitter Capacitor RF emitter Varactor-triac ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its electrical dimensions Its physical dimensions The capacitor which tunes it The mode of operation Its electrical dimensions Its physical dimensions The capacitor which tunes it The mode of operation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Vary the pulse frequency in order to control the maximum target Improve the target bearing resolution Reduce interference from the effects of sea return Increases receiver sensitivity for echoes from targets Vary the pulse frequency in order to control the maximum target Improve the target bearing resolution Reduce interference from the effects of sea return Increases receiver sensitivity for echoes from targets ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) May be tested during the first five minutes of any hour All of these Must be capable of floating or being secured to a survival Must have its battery replaced after emergency use May be tested during the first five minutes of any hour All of these Must be capable of floating or being secured to a survival Must have its battery replaced after emergency use ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication As the electron beam moves through a klystron’s intercavity drift space Density 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 Phase 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 Density 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 Phase 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 ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Oscillators of a klystron tube are maintained By bunches of electrons passing the cavity grids By feedback between the accelerating grid and the repeller By plate-to-cathode feedback By circulating bunches of electrons within the cavities. By bunches of electrons passing the cavity grids By feedback between the accelerating grid and the repeller By plate-to-cathode feedback By circulating bunches of electrons within the cavities. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS