# A 4.7μW switched-bias MEMS microphone preamplifier for ultra-low-power voice interfaces

> Research article (2017 Symposium on VLSI Circuits, 2017) · cited 16× · AI/ML

**Wikidata**: [openalex:W2743912893](https://www.wikidata.org/wiki/openalex:W2743912893)  
**Source**: https://4ort.xyz/entity/a-4-7w-switched-bias-mems-microphone-preamplifier-for-ultra-low-power-voice-interfaces