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 Calculate the effective earth’s radius if the surface refractivity is 301. 6370 km 6370 mi 8493 mmi 8493 km 6370 km 6370 mi 8493 mmi 8493 km ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Attenuation Radiation Propagation Modulation Attenuation Radiation Propagation Modulation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Oscillators of a klystron tube are maintained By bunches of electrons passing the cavity grids By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By plate-to-cathode feedback By bunches of electrons passing the cavity grids By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By plate-to-cathode feedback ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the collector end of the helix At the collector At the control grid of the electron gun At the cathode end of the helix At the collector end of the helix At the collector At the control grid of the electron gun At the cathode end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The effect of an external magnetic field The energy liberated form the collector The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The effect of an external magnetic field The energy liberated form the collector ANSWER DOWNLOAD EXAMIANS APP
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