Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Waveguide match Cavity match Direct coax-helix match All of these Waveguide match Cavity match Direct coax-helix match All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have Low-pass filters The shortest possible time The restricted high-frequency response A long time constant Low-pass filters The shortest possible time The restricted high-frequency response A long time constant 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 = λR/L S = 3λR/L S = 2λR/L S = λR/RL S = λR/L S = 3λR/L S = 2λR/L S = λR/RL ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic All of these To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? Varactor-triac RF emitter Capacitor Ferrite emitter Varactor-triac RF emitter Capacitor Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP
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