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? Wave trap Circulator Isolator Tunnel diode Wave trap Circulator Isolator Tunnel diode 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/2 mode 2π mode π mode π/4 mode π/2 mode 2π mode π mode π/4 mode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Slow fading Random Doppler shift Rayleigh fading Delayed spreading Slow fading Random Doppler shift Rayleigh fading Delayed spreading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. LORAN SONAR Fathometer Echosounder LORAN SONAR Fathometer Echosounder ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Waveguide match Cavity match All of these Direct coax-helix match Waveguide match Cavity match All of these Direct coax-helix match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon 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 Its electrical dimensions ANSWER DOWNLOAD EXAMIANS APP