# New CFOA-based first-order all-pass filters and their applications

> Research article (AEU - International Journal of Electronics and Communications, 2019) · cited 49× · AI/ML

**Wikidata**: [openalex:W2920840512](https://www.wikidata.org/wiki/openalex:W2920840512)  
**Source**: https://4ort.xyz/entity/new-cfoa-based-first-order-all-pass-filters-and-their-applications