RF circuit component

Details RF circuit component RF circuit component

2006-08-01

2006-08-01

Jones, Stephen E. (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S219000

Reexamination Certificate

active

07084721

ABSTRACT:
An RF circuit component according to the present invention includes a substrate with a principal surface and a plurality of resonators, including a first resonator, a second resonator and a third resonator, which are arranged on the principal surface of the substrate so as to be coupled in series together. Each of the first, second and third resonators is made of a conductor supported on the substrate. The resonant modes of each of the first, second and third resonators include two fundamental resonant modes that oscillate perpendicularly to each other within a plane that is defined parallel to the principal surface of the substrate. The second resonator is arranged between the first and third resonators, and the oscillation direction of one of the fundamental resonant modes of the second resonator defines an angle greater than 0 degrees but smaller than 90 degrees with respect to that of its associated fundamental resonant mode of the first resonator and/or the third resonator.

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patent: 06-204702 (1994-07-01), None
Watkins, J., “Circular Resonant Structures In Microstrip”,Electronic Letters, vol. 5, No. 21, pp. 524-525, (1969).
Enokihara et al., “High-TcSuperconducting Planar Filter For Power Handling Capability”,JEICE Trans. Electron., vol. E79-C, No. 9, pp. 1228-1232, (1996).

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