Microwave Communication The Gunn diode oscillator Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the collector At the cathode end of the helix At the control grid of the electron gun At the collector end of the helix At the collector At the cathode end of the helix At the control grid of the electron gun At the collector end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Cavity match Direct coax-helix match Waveguide match All of these Cavity match Direct coax-helix match Waveguide match All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The effect of an external magnetic field The absorption of energy by the signal from an electron stream The energy liberated form the collector The energy contained the cavity resonators The effect of an external magnetic field The absorption of energy by the signal from an electron stream The energy liberated form the collector The energy contained the cavity resonators ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Slow fading Wavelength fading Rician fading Rayleigh fading Slow fading Wavelength fading Rician fading Rayleigh fading ANSWER DOWNLOAD EXAMIANS APP
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