# active filter

> a type of analog circuit implementing an electronic filter using active components, typically an amplifier

**Wikidata**: [Q557211](https://www.wikidata.org/wiki/Q557211)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Active_filter)  
**Source**: https://4ort.xyz/entity/active-filter


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)