Non-monotonic re-entrant band stop filter equalizer
US11437697B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2020 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Oct 13, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2007/013
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A non-monotonic re-entrant band stop filter equalizer includes terminations and couplers. A first port of a first coupler is coupled as a first external port, and a second port of the first coupler is coupled to a band stop filter. A third port of the first coupler is coupled to a fourth port of a second coupler, and a fourth port of the first coupler is coupled to a first termination. A first port of the second coupler is coupled to the band stop filter, and a second port of the second coupler is coupled as a second external port. A third port of the second coupler is coupled to a second termination. At least one of the first directional coupler and/or second directional coupler may include at least one of a backward coupler and/or forward coupler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.