Integrated filter circuit having switchable selected parallel filter paths
US4724407A · kind A · utility
16Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1986 |
| Grant date | Feb 9, 1988 |
| Priority date | — |
| Expiry date | May 14, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H11/1295
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An integrated filter circuit including at least integrated resistances and integrated capacitances, said integrated filter circuit comprising a plurality of filter circuits connected in parallel and in which at least either resistance values or capacitance values are different, a switch for switching said parallel filter circuits, and means for controlling said switch to select one of said parallel filter circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.