Broad-band lumped-element circulator
USRE28998E · kind E · reissue
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7Claims
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Assignee
Inventor
Key dates
| Filing date | Oct 17, 1975 |
| Grant date | Oct 5, 1976 |
| Priority date | — |
| Expiry date | Oct 17, 1995 |
Classification
- Technology area (CPC —)General
Abstract
A circulator preferably fabricated using thin film techniques. Broad-band isolation and insertion loss characteristics are obtained in the gigahertz frequency range by replacing the conventional series resonant circuit typically employed in circulation, with three symmetrically arranged lumped parameter LC circuits fabricated by thin-film techniques and having the junctions of the LC elements interconnected through conductive paths, such as inductors, for example.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.