Microwave Communication In a radar-set receiver, the usual mixer stage is A Rochelle salts crystal A tunnel diode A silicon crystal And FET A Rochelle salts crystal A tunnel diode A silicon crystal And FET ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The energy liberated form the collector The absorption of energy by the signal from an electron stream The energy contained the cavity resonators The effect of an external magnetic field The energy liberated form the collector The absorption of energy by the signal from an electron stream The energy contained the cavity resonators The effect of an external magnetic field 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 As the electron beam moves through a klystron’s intercavity drift space Density modulation at the input cavity creates velocity modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. Velocity modulation at the input cavity creates density modulation at the output cavity Frequency modulation at the input cavity creates velocity modulation at the output cavity Density modulation at the input cavity creates velocity modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. Velocity modulation at the input cavity creates density modulation at the output cavity Frequency modulation at the input cavity creates velocity modulation at the output cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Oscillators of a klystron tube are maintained By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By bunches of electrons passing the cavity grids By plate-to-cathode feedback By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By bunches of electrons passing the cavity grids By plate-to-cathode feedback ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Degree of emission from the cathode Electron transit time Distributed lead inductance Inter-electrode capacitance Degree of emission from the cathode Electron transit time Distributed lead inductance Inter-electrode capacitance ANSWER DOWNLOAD EXAMIANS APP
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