Filter and filtering method
US11146216B2 · kind B2 · utility
1Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2020 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Apr 3, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H11/04
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A filter includes M filter circuits. The M filter circuits are sequentially cascaded from an input terminal to an output terminal, in order to generate an output signal according to an input signal, in which M is a positive integer greater than or equal to 2. The M filter circuits include at least one first filter circuit and at least one second filter circuit. Each of the at least one first filter circuit is set to be an active filter circuit, and each of the at least one second filter circuit is set to be a passive filter circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.