Microwave Communication The cavity resonator In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) Must have its battery replaced after emergency use May be tested during the first five minutes of any hour Must be capable of floating or being secured to a survival All of these Must have its battery replaced after emergency use May be tested during the first five minutes of any hour Must be capable of floating or being secured to a survival All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication As the electron beam moves through a klystron’s intercavity drift space 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. 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 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. 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 ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Transmitter oscillator Duplexer stage Single mixer stage Local oscillator Transmitter oscillator Duplexer stage Single mixer stage Local oscillator 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m) S = 2λR/L S = λR/RL S = 3λR/L S = λR/L S = 2λR/L S = λR/RL S = 3λR/L S = λR/L ANSWER DOWNLOAD EXAMIANS APP
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