Resonator filter with multiple cross-couplings
US8902020B2 · kind B2 · utility
5Cited by
15References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2010 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Apr 29, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/725
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A filter device is provided for filtering signals. The filter device includes multiple series resonators, multiple shunt resonators and multiple cross-coupling circuits. The series resonators are connected in series between an antenna and one of a transmitter or a receiver. The shunt resonators are respectively connected between at least one of the series resonators and a ground voltage. The cross-coupling circuits are configured to bypass at least two series resonators of the multiple series resonators and at least one shunt resonator of the multiple shunt resonators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.