Microwave Communication If k-factor is greater than 1, the array beam is bent Away from the earth Towards the ionosphere, Towards the earth Towards the outer space Away from the earth Towards the ionosphere, Towards the earth Towards the outer space ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Cavity match All of these Waveguide match Direct coax-helix match Cavity match All of these Waveguide match Direct coax-helix match 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 At the control grid of the electron gun At the collector end of the helix At the cathode end of the helix At the collector At the control grid of the electron gun At the collector end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the 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 Oscillation will cease ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna? Circulator Magnetron Isolator Simplex Circulator Magnetron Isolator Simplex ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the π mode π/4 mode 2π mode π/2 mode π mode π/4 mode 2π mode π/2 mode ANSWER DOWNLOAD EXAMIANS APP