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 Klystron oscillators are most often used in the frequency range of 3000 to 30000 MHz 300 to 3000 MHz 30 to 30000 MHz 10 to 10000 MHz 3000 to 30000 MHz 300 to 3000 MHz 30 to 30000 MHz 10 to 10000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by 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 Narrowing the beam width and increasing the pulse duration 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. Fifth Fourth Sixth Third Fifth Fourth Sixth Third ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a radar-set receiver, the usual mixer stage is And FET A Rochelle salts crystal A tunnel diode A silicon crystal And FET A Rochelle salts crystal A tunnel diode A silicon crystal ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon The mode of operation Its electrical dimensions Its physical dimensions The capacitor which tunes it The mode of operation Its electrical dimensions Its physical dimensions The capacitor which tunes it ANSWER DOWNLOAD EXAMIANS APP
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