Microwave Communication In a radar-set receiver, the usual mixer stage is A silicon crystal And FET A tunnel diode A Rochelle salts crystal A silicon crystal And FET A tunnel diode A Rochelle salts crystal ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the cathode end of the helix At the control grid of the electron gun At the collector At the collector end of the helix At the cathode end of the helix At the control grid of the electron gun At the collector At the collector end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Tunnel diode Wave trap Circulator Isolator Tunnel diode Wave trap Circulator Isolator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Away from the earth Towards the ionosphere, Towards the outer space Towards the earth Away from the earth Towards the ionosphere, Towards the outer space Towards the earth 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 The restricted high-frequency response Low-pass filters A long time constant The shortest possible time The restricted high-frequency response Low-pass filters A long time constant ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? RF emitter Varactor-triac Ferrite emitter Capacitor RF emitter Varactor-triac Ferrite emitter Capacitor ANSWER DOWNLOAD EXAMIANS APP
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