Microwave Communication In a radar-set receiver, the usual mixer stage is And FET A Rochelle salts crystal A silicon crystal A tunnel diode And FET A Rochelle salts crystal A silicon crystal A tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Large reflector Small reflector Further reflector Nearer reflector Large reflector Small reflector Further reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Rayleigh fading Slow fading Wavelength fading Rician fading Rayleigh fading Slow fading Wavelength fading Rician fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency All of these Raising the peak power of the transmitter Narrowing the beam width and increasing the pulse duration Lowering the pulse frequency All of these Raising the peak power of the transmitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the earth Towards the outer space Towards the ionosphere, Away from the earth Towards the earth Towards the outer space Towards the ionosphere, Away from the earth ANSWER DOWNLOAD EXAMIANS APP
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