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2) One (axb) sized air filled (? = ?0, ? = ?0) and WG-16 wave guide, as in Figure 1, will be supplied for use for radar applications in the X frequency band, and this wave guide of the supplier company The catalog data published for is given in the table. If the width of this waveguide is greater than its height (a> b), answer the following questions in the light of the information given and catalog data and fill in the blanks in the table.

a) Which wave mode is the dominant mode (dominant mode)?

Why?

b) The width of the waveguide is how many mm? Figure 1- Rectangular Wave Guide

c) Which wave mode can be an upper mode adjacent to the dominant mode?

d) If this waveguide is used only for dominant mode, if the operating frequency is at least 25% above the cutting frequency of the dominant mode and below 95% of the cutting frequency of the higher neighboring mode, what is the recommended frequency range that the waveguide can operate?

NAN A 4

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