Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Cavity match Waveguide match All of these Direct coax-helix match Cavity match Waveguide match All of these Direct coax-helix match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Degree of emission from the cathode Inter-electrode capacitance Distributed lead inductance Electron transit time Degree of emission from the cathode Inter-electrode capacitance Distributed lead inductance Electron transit time ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Large reflector Nearer reflector Further reflector Small reflector Large reflector Nearer reflector Further reflector Small reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the Bunching would occur earlier in time The frequency will decrease Oscillation will cease Output power would increase Bunching would occur earlier in time The frequency will decrease Oscillation will cease Output power would increase 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 restricted high-frequency response Low-pass filters The shortest possible time A long time constant The restricted high-frequency response Low-pass filters The shortest possible time A long time constant 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/4 mode π mode π/2 mode 2π mode π/4 mode π mode π/2 mode 2π mode ANSWER DOWNLOAD EXAMIANS APP
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