Microwave Communication Microwave frequencies are normally regarded as those in the range of 1 to 500 MHz 10 to 1000 GHz 1 to 100 GHz 1000 to 10,000 GHz 1 to 500 MHz 10 to 1000 GHz 1 to 100 GHz 1000 to 10,000 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is 10,000 watts 1,000 watts 100 watts 1,000,000 watts 10,000 watts 1,000 watts 100 watts 1,000,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? 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 At the collector end of the helix At the collector At the control grid of the electron gun ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Thyratron tube Tunnel diode Klystron tube Both B and C Thyratron tube Tunnel diode Klystron tube Both B and C ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication To achieve good bearing resolution when using a pulsed-radar set, an important requirement is A low repetition rate A narrow, antenna-beam width in the horizontal plane A narrow, antenna-beam width in the vertical plane A high duty cycle A low repetition rate A narrow, antenna-beam width in the horizontal plane A narrow, antenna-beam width in the vertical plane A high duty cycle ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Reduce interference from the effects of sea return Increases receiver sensitivity for echoes from targets Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Reduce interference from the effects of sea return Increases receiver sensitivity for echoes from targets ANSWER DOWNLOAD EXAMIANS APP
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