Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Direct coax-helix match Cavity match All of these Waveguide match Direct coax-helix match Cavity match All of these Waveguide match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication To achieve good bearing resolution when using a pulsed-radar set, an important requirement is A high duty cycle A low repetition rate A narrow, antenna-beam width in the vertical plane A narrow, antenna-beam width in the horizontal plane A high duty cycle A low repetition rate A narrow, antenna-beam width in the vertical plane A narrow, antenna-beam width in the horizontal plane 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 Away from the earth Towards the ionosphere, Towards the earth Towards the outer space Away from the earth Towards the ionosphere, ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a radar-set receiver, the usual mixer stage is And FET A silicon crystal A Rochelle salts crystal A tunnel diode And FET A silicon crystal A Rochelle salts crystal A tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its electrical dimensions The capacitor which tunes it The mode of operation Its physical dimensions Its electrical dimensions The capacitor which tunes it The mode of operation Its physical dimensions ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers Must be increased Must remain as before May be decreased Must be doubled Must be increased Must remain as before May be decreased Must be doubled ANSWER DOWNLOAD EXAMIANS APP