Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Direct coax-helix match All of these Waveguide match Cavity match Direct coax-helix match All of these Waveguide match Cavity match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Small reflector Nearer reflector Large reflector Further reflector Small reflector Nearer reflector Large reflector Further reflector 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 Klystron tube Thyratron tube Tunnel diode Both B and C Klystron tube Thyratron tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 10 to 10000 MHz 30 to 30000 MHz 300 to 3000 MHz 3000 to 30000 MHz 10 to 10000 MHz 30 to 30000 MHz 300 to 3000 MHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its physical dimensions The mode of operation Its electrical dimensions The capacitor which tunes it Its physical dimensions The mode of operation Its electrical dimensions The capacitor which tunes it ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate ANSWER DOWNLOAD EXAMIANS APP
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