Programmable filter
US8422977B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 27, 2011 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Jul 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2250/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The invention relates to a programmable filter for a radiofrequency receiver, embodiments disclosed including a filter (600) comprising an input (601) for receiving a radiofrequency signal, an output (602) for providing a filtered version of the input radiofrequency signal and a plurality of filter paths (603a-c) connected in parallel between the input (601) and output (602), each filter path comprising a buffer (604a-c) connected between the input (601) and one or more polyphase filters (605a-f), wherein each of the plurality of filter paths (603a-c) is configured to be individually selectable by providing an enable signal to a corresponding one of the buffers (604a-c).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.