# circulator

> passive non-reciprocal three- or four-port device, in which a microwave or radio frequency signal entering any port is transmitted to the next port in rotation (only)

**Wikidata**: [Q162869](https://www.wikidata.org/wiki/Q162869)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Circulator)  
**Source**: https://4ort.xyz/entity/circulator


## References

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