Signal source with multiphase filter
US7245889B2 · kind B2 · utility
4Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2001 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Sep 30, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03B21/02
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The invention relates to a signal source (S) which comprises a local oscillator (5) for generating a reference frequency signal fo. The signal source comprises: The invention finds its application in direct frequency conversion circuits and transmission circuits used in the field of telecommunication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.