Integrated non-reciprocal component

Details Integrated non-reciprocal component Integrated non-reciprocal component

2005-07-13

2010-06-29

Jones, Stephen E (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

Reexamination Certificate

active

07746188

ABSTRACT:
The invention relates to a non-reciprocal component comprising a first dielectric part (11) and a ferrite substrate (12) located on the same level, a ground layer (18) is located below the ferrite substrate (12), a metal line arrangement (14) is located on the level having the first dielectric part (11) and the ferrite substrate (12), wherein the metal line arrangement (14) comprises a first and a second metal line (15, 16) arranged in parallel to each on the ferrite substrate (12), the first metal line (15) provides a first port (P1) and the second metal line (16) provides a second port (P2), wherein the first and second metal lines (15, 16) are connected in a portion between the first dielectric part (11) and the ferrite substrate (12) forming a single third metal line (17), which ends with third port (P3), wherein the ferrite substrate (11) is magnetized in parallel to the metal lines (15, 16) and at least one matching network (19, 20) is assigned to at least one of the ports (P1, P2). By coupling the matching networks (19, 20) to the first and second port (P1) and (P2) a substantially reduction of length of the metal line arrangement is achieved. This reduction allows an integration of the non-reciprocal component (10).

REFERENCES:
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Michalski J et al: “Scattering in a Section of Ferrite-Coupled Microstrip . . . ” IEEE Proceedings: Microwaves, Antennas and Propagation Stevenage, Herts, GB vol. 149 No. 56; Mar. 20, 2001; pp. 286-290.
Mazur et al., “Coupled-Mode Design of Ferrite-Loaded Coupled-Microstrip-Lines Section,” IEEE Transactions on Microwave Theory and Techniques 50(6):1487-1494, Jun. 2002.

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