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