Radar reciever has high sensitivity and low noise figure

More Questions from Microwave Communication

• Which of the following lines behaves as infinite line?
• Most electromagnetic transmission in rectangular wave-guide uses
• A line of characteristic impedance 400 Ω is terminated by a resistance of 400 Ω. The reflected quantities are
• VTM stands for voltage tunable magnetron.
• The main advantage of TWT over klystron is
• Fields are said to be circularly polarized if
• The frequency of oscillations obtained from a reflex klystron depends mainly on
• Assertion (A): Two equal and opposite travelling waves result in a standing wave. Reason (R): The ratio of maximum to minimum value of a standing wave is called SWR.
• In TE and TM modes of rectangular waveguides having propagation in z direction
• Assertion (A): In circular waveguide the attenuation of TE01 mode decreases as the operating frequency increases. Reason (R): The wall currents in a circular waveguide in TEQ1 mode are completely circumferential.

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