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/2 mode π mode π/4 mode 2π mode π/2 mode π mode π/4 mode 2π mode 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 A long time constant The shortest possible time Low-pass filters The restricted high-frequency response A long time constant The shortest possible time Low-pass filters ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 8493 km 6370 km 8493 mmi 6370 mi 8493 km 6370 km 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The width of the transmitted pulses The bandwidth of the receiver IF stages The duty cycle The interval between transmitted pulses The width of the transmitted pulses The bandwidth of the receiver IF stages The duty cycle The interval between transmitted pulses ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Thyratron Klystron Reflex-klystron Magnetron Thyratron Klystron Reflex-klystron Magnetron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the collector At the cathode end of the helix At the control grid of the electron gun At the collector end of the helix At the collector At the cathode end of the helix At the control grid of the electron gun At the collector end of the helix ANSWER DOWNLOAD EXAMIANS APP
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