Lumped element circulator having a plurality of separated operation bands
US6236285A · kind A · utility
3Cited by
1References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 4, 1998 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Sep 4, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/387
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A lumped element circulator having a plurality of operation bands, has a circulator element with a plurality of signal ports and a grounded terminal, and resonance circuits connected between the signal ports and the grounded terminal, respectively, each of the resonance circuits having a plurality of resonance points. The number of the operation bands is equal to the number of the resonance points of each of the resonance circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.