Communications filter package for narrowband and wideband signal waveforms
US8611843B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 19, 2012 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | May 9, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2240/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A filter package for communications equipment includes two or more filters in die form, each having a different frequency response. A first switch and a second switch are operatively connected to the filters and are configured to select a desired filter for operation in a signal stage of the equipment. The filters are aligned and stacked one over the other in the form of a package having an input terminal that is tied to a common terminal of the first switch, and an output terminal tied to a common terminal of the second switch. When the input and the output terminals of the filter package are connected to corresponding terminals of an intermediate frequency (IF) stage in a communications transceiver, the package can support both narrowband and wideband waveforms defined by the Joint Tactical Radio System (JTRS).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.