The noise figure of klystron amplifier is about

More Questions from Microwave Communication

• If the peak transmitted power in a radar is increased by a factor 81, the maximum range is increased by a factor of
• Which of the following statements is not correct regarding modes of electromagnetic energy transmission?
• In 8 cavity magnetron the p mode corresponds to a total phase shift equal to
• Oscillations are obtained from a reflex klystron only for combinations of anode voltage and repeller voltage that give a favourable transit time.
• In microwave communication links the fading due to rain occurs. The methods to solve this problem include
• A microwave connector should have high SWR.
• In the given figure shows a 10dB directional coupler. If power input at port 1 is 100 mW, power output at port 3 is
• In Gunn diode electrons are transferred from
• Satellite communication systems use the frequency band
• If μr is relative permeability, ∈r is relative permittivity, c is velocity of light fc is cutoff frequency, phase velocity vp (i.e., speed with which a particular phase of the wave travels down a rectangular waveguide at frequency f) is given by

Discussion & Comments