Planar filter having an overcoupling stripline an integral multi

Details Planar filter having an overcoupling stripline an integral multi Planar filter having an overcoupling stripline an integral multi

1996-02-06

1997-07-15

Lee, Benny

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333219, H01P 1203

Patent

active

056487479

ABSTRACT:
A planar filter is proposed in which a plurality of striplines arranged next to one another on a substrate are supplemented by an overcoupling stripline which couples to one another two striplines which are not immediately neighboring. The length of the overcoupling stripline is an integral multiple of a half wavelength of the center frequency of the filter.

REFERENCES:
patent: 4418324 (1983-11-01), Higgins
patent: 5373271 (1994-12-01), Hirai et al.
IRE transmission on Microwave Theory and Techniques, Apr. 1958, pp. 223-231, S.B. Cohn, "Parallel-Coupled Transmission-Line-Resonator Filters".
IEEE Transactions on Microwave theory and Techniques, vol. MTT-24, No. 4, Apr. 1976, pp. 172-181, Ralph Levy, "Filters with Single . . . ".

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