Microwave Communication Which causes multipath or frequency selective fading? Small reflector Large reflector Nearer reflector Further reflector Small reflector Large reflector Nearer reflector Further reflector 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 2π mode π mode π/4 mode π/2 mode 2π mode π mode π/4 mode π/2 mode 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 Coupling into and out of a traveling-wave tube can be accompanied by a Cavity match Direct coax-helix match Waveguide match All of these Cavity match Direct coax-helix match Waveguide match All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its electrical dimensions The capacitor which tunes it The mode of operation Its physical dimensions Its electrical dimensions The capacitor which tunes it The mode of operation Its physical dimensions 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 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 Bunching would occur earlier in time ANSWER DOWNLOAD EXAMIANS APP