Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Rician fading Rayleigh fading Slow fading Wavelength fading Rician fading Rayleigh fading Slow fading Wavelength fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Klystron tube Both B and C Tunnel diode Thyratron tube Klystron tube Both B and C Tunnel diode Thyratron tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 100 GHz 100 MHz 1 GHz 10 GHz 100 GHz 100 MHz 1 GHz 10 GHz ANSWER DOWNLOAD EXAMIANS APP
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 allow microwave to pass in only one direction? Capacitor Varactor-triac RF emitter Ferrite emitter Capacitor Varactor-triac RF emitter Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP