# An ECG chopper amplifier achieving 0.92 NEF and 0.85 PEF with AC-coupled inverter-stacking for noise efficiency enhancement

> Research article (2017 IEEE International Symposium on Circuits and Systems (ISCAS), 2017) · cited 17× · AI/ML

**Wikidata**: [openalex:W2758988061](https://www.wikidata.org/wiki/openalex:W2758988061)  
**Source**: https://4ort.xyz/entity/an-ecg-chopper-amplifier-achieving-0-92-nef-and-0-85-pef-with-ac-coupled-inverter-stacking-for-noise-efficiency-enhancem
