Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1993-05-06
1995-04-18
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333219, H01P 1203, H01P 708
Patent
active
054082064
ABSTRACT:
The present invention relates to a resonator structure composed of two dielectric pieces. On the upper surface of a first piece (1) is provided a groove (7) extending across the entire surface and coated with an electrically conductive agent, said coating being at least in one end connected with an electrically conductive coating serving as a ground plane, so that the groove (7) forms a transmission line resonator. On the upper surface of the second piece (2) is provided a conductive strip (9) running in the middle of the surface, said strip forming a transmission line resonator. The pieces (1,2) are placed with the upper surfaces thereof against each other and attached to each other so that the groove (7) and the strip (9) are against one another in parallel, whereby the groove and the strip together form a resonator.
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T. Hasegawa et al., "Characteristics of Valley Microstrip Lines for Use in Multilayer MMIC's", IEEE Microwave And Guided Wave Letters, vol. 1, No. 10, Oct. 1991, New York U.S., pp. 275-277.
T. Nishikawa et al., "800 MHz band face-bonding filter using dielectric B.D.L.S.", 1986 IEEE-MTT-S International Microwave Symposium-Digest, Jun. 2-4, 1986, Baltimore, U.S., IEEE, New York, U.S., 1986, pp. 403-406.
Jantunen Heli
Turunen Aimo
Ham Seungsook
LK-Products OY
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