Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Electron transit time Inter-electrode capacitance Degree of emission from the cathode Distributed lead inductance Electron transit time Inter-electrode capacitance Degree of emission from the cathode Distributed lead inductance ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be A decrease in gain No noticeable effect A reduction in horizontal resolution A decrease in range A decrease in gain No noticeable effect A reduction in horizontal resolution A decrease in range ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons All of these As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Tunnel diode Both B and C Thyratron tube Klystron tube Tunnel diode Both B and C Thyratron tube Klystron tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Circulator Isolator Tunnel diode Wave trap Circulator Isolator Tunnel diode Wave trap ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the ionosphere, Away from the earth Towards the earth Towards the outer space Towards the ionosphere, Away from the earth Towards the earth Towards the outer space ANSWER DOWNLOAD EXAMIANS APP
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