# Stacked Transistor Bias Circuit of Class-B Amplifier for Portable Ultrasound Systems

> Research article (Sensors, 2019) · cited 14× · AI/ML

**Wikidata**: [openalex:W2989616840](https://www.wikidata.org/wiki/openalex:W2989616840)  
**Source**: https://4ort.xyz/entity/stacked-transistor-bias-circuit-of-class-b-amplifier-for-portable-ultrasound-systems