Integrated non-reciprocal component comprising a ferrite...

Details Integrated non-reciprocal component comprising a ferrite... Integrated non-reciprocal component comprising a ferrite...

2005-07-11

2009-08-04

Jones, Stephen E (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

C333S024200

Reexamination Certificate

active

07570128

ABSTRACT:
The invention relates to a non-reciprocal component (10) comprising: a ferrite substrate (11) having a first side (1-″) and an opposing second side (16) located on a ground layer (18), a first metal line (12) and a second metal line (13) are located on the ferrite substrate (11) in parallel to each other. To provide a non-reciprocal component having small dimensions and which could be integrated. The ferrite substrate (11) is magnetized parallel to the metal lines (12, 13) and each of the metal lines (12, 13) is running at least from one side (15) of the ferrite substrate (11) to the other side (16) and back (15) forming thereby at least one meander loop, wherein the loops are interlaced to each other and the metal lines (12, 13) are isolated in an area (14) of the loop.

REFERENCES:
patent: 4313095 (1982-01-01), Jean-Frederic et al.
Queck et al., Novel Folding Technique for Planar ferrite-Coupled-Line Circulators, IEEE Transactions on Microwave Theory and Techniques, May 2004.
Queck et al., Butterfly-shape Folding of a Ferrite Coupled Line, Microwave Conference, 36th European, Sep. 10, 2006.
Cao M et al: “Perturbation Theory Approach to the Ferrite . . . ” Microwave Symposium Diget 2004 IEE MTT-S International For Worth TX, USA; Jun. 6-11, 2004; pp. 1903-1906.

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