Microwave Communication In a radar-set receiver, the usual mixer stage is A Rochelle salts crystal And FET A silicon crystal A tunnel diode A Rochelle salts crystal And FET A silicon crystal A tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? RF emitter Ferrite emitter Varactor-triac Capacitor RF emitter Ferrite emitter Varactor-triac Capacitor 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 Oscillation will cease Bunching would occur earlier in time Output power would increase The frequency will decrease Oscillation will cease Bunching would occur earlier in time Output power would increase The frequency will decrease ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Third Fifth Fourth Sixth Third Fifth Fourth Sixth 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 duty cycle The bandwidth of the receiver IF stages The interval between transmitted pulses The width of the transmitted pulses The duty cycle The bandwidth of the receiver IF stages The interval between transmitted pulses ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Wavelength fading Rayleigh fading Rician fading Slow fading Wavelength fading Rayleigh fading Rician fading Slow fading ANSWER DOWNLOAD EXAMIANS APP