# Tunnel Magnetoresistance Sensor with AC Modulation and Impedance Compensation for Ultra-Weak Magnetic Field Measurement

> Research article (Sensors, 2022) · cited 18× · AI/ML

**Wikidata**: [openalex:W4213248256](https://www.wikidata.org/wiki/openalex:W4213248256)  
**Source**: https://4ort.xyz/entity/tunnel-magnetoresistance-sensor-with-ac-modulation-and-impedance-compensation-for-ultra-weak-magnetic-field-measurement