Microwave Communication Klystron oscillators are most often used in the frequency range of 30 to 30000 MHz 10 to 10000 MHz 300 to 3000 MHz 3000 to 30000 MHz 30 to 30000 MHz 10 to 10000 MHz 300 to 3000 MHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Klystron Magnetron Thyratron Reflex-klystron Klystron Magnetron Thyratron Reflex-klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Random Doppler shift Slow fading Delayed spreading Rayleigh fading Random Doppler shift Slow fading Delayed spreading Rayleigh fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To keep the electrons from spreading out To velocity modulate the electron beam To accelerate the electron To slow down the signal on the helix To keep the electrons from spreading out To velocity modulate the electron beam To accelerate the electron To slow down the signal on the helix 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? Circulator Isolator Simplex Magnetron Circulator Isolator Simplex Magnetron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Rayleigh fading Delayed spreading Slow fading Random Doppler shift Rayleigh fading Delayed spreading Slow fading Random Doppler shift ANSWER DOWNLOAD EXAMIANS APP