Second order active RC filter with imaginary zero
US6677815B1 · kind B1 · utility
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2References
9Claims
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Key dates
| Filing date | Sep 17, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Sep 17, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H11/126
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A stop band second order active RC filter architecture that does not use a non-inverting input to receive an input signal, and that employs both positive and negative feedback to provide an RC transfer function having an imaginary zero.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.