Microwave Communication In a radar-set receiver, the usual mixer stage is A tunnel diode A silicon crystal And FET A Rochelle salts crystal A tunnel diode A silicon crystal And FET A Rochelle salts crystal ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 6370 km 8493 km 8493 mmi 6370 mi 6370 km 8493 km 8493 mmi 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 Which of the following is used as an oscillator device in the SHF band? Thyratron tube Tunnel diode Klystron tube Both B and C Thyratron tube Tunnel diode Klystron tube Both B and C ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Random Doppler shift Rayleigh fading Slow fading Delayed spreading Random Doppler shift Rayleigh fading Slow fading Delayed spreading ANSWER DOWNLOAD EXAMIANS APP
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