Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by Varying the repeller voltage The AFC system An adjustment in the synchronizer Adjusting the flexible wall of the resonant cavity Varying the repeller voltage The AFC system An adjustment in the synchronizer Adjusting the flexible wall of the resonant cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Duplexer stage Transmitter oscillator Local oscillator Single mixer stage Duplexer stage Transmitter oscillator Local oscillator Single mixer stage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Slow fading Rayleigh fading Random Doppler shift Delayed spreading Slow fading Rayleigh fading Random Doppler shift Delayed spreading 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 collector end of the helix At the control grid of the electron gun At the cathode end of the helix At the collector At the collector end of the helix At the control grid of the electron gun ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The interval between transmitted pulses The width of the transmitted pulses The duty cycle The bandwidth of the receiver IF stages The interval between transmitted pulses The width of the transmitted pulses The duty cycle The bandwidth of the receiver IF stages ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Operates over a positive resistance characteristic Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Generates frequencies which are below 100 MHz ANSWER DOWNLOAD EXAMIANS APP
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