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 collector At the cathode end of the helix At the collector end of the helix At the control grid of the electron gun At the collector At the cathode end of the helix At the collector end of 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? Isolator Magnetron Circulator Simplex Isolator Magnetron Circulator Simplex ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 km 6370 km 6370 mi 8493 mmi 8493 km 6370 km 6370 mi 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 30 to 30000 MHz 10 to 10000 MHz 3000 to 30000 MHz 300 to 3000 MHz 30 to 30000 MHz 10 to 10000 MHz 3000 to 30000 MHz 300 to 3000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A high-power microwave pulse of the order of megawatts can be generated by a Gunn diode Traveling-wave tube Magnetron Reflex klystron Gunn diode Traveling-wave tube Magnetron Reflex klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Rician fading Rayleigh fading Wavelength fading Slow fading Rician fading Rayleigh fading Wavelength fading Slow fading ANSWER DOWNLOAD EXAMIANS APP