Microwave Communication At what position is the input signal inserted into a traveling-wave tube? 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 At the cathode end of the helix At the collector At the collector end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Rayleigh fading Random Doppler shift Delayed spreading Slow fading Rayleigh fading Random Doppler shift Delayed spreading Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Small reflector Large reflector Further reflector Nearer reflector Small reflector Large reflector Further reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Local oscillator Single mixer stage Transmitter oscillator Duplexer stage Local oscillator Single mixer stage Transmitter oscillator Duplexer stage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a radar-set receiver, the usual mixer stage is And FET A tunnel diode A silicon crystal A Rochelle salts crystal And FET A tunnel diode A silicon crystal A Rochelle salts crystal 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? Simplex Isolator Magnetron Circulator Simplex Isolator Magnetron Circulator ANSWER DOWNLOAD EXAMIANS APP
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