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Internal Transmission Line Filter Element.
Patent, Filed 27 Jun 86, patented 10 Oct 89,
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
An improved transmission line filter element allows a higher difference between even and odd mode impedances than previously obtainable from planar structures. The filter element comprises a U-shaped gap formed in the strip conductor of a strip line transmission line, a microstrip structure or a suspended strip line structure. The internal transmission line filters can be cascaded to produce electromagnetic energy filters with deeper notches and steeper skirts than previously obtainable from other planar structures with the same number of elements. Patents. edc
APPROVED FOR PUBLIC RELEASE