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커뮤니티
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.6
- 수록면
- 253 - 257 (5page)
- DOI
- 10.4283/JMAG.2024.29.2.253
이용수
초록· 키워드
오류제보하기
Giant magnetoimpedance (GMI) sensors are typically used for the detection of weak biomagnetic fields. Existing methods for increasing the linear operating range of giant magnetoimpedance (GMI) sensors require additional feedback coils, increase the size of the GMI sensors. In this study, we extended the dynamic range of a pulse excitation-driven GMI sensor by implementing single-coil feedback to an off-diagonal GMI sensor. We employed a h igh- pass f ilter to effectively separate the sensor"s output waveform from the feedback current. Investigating the optimum feedback gain for high sensitivity and dynamic range allowed us to achieve a dynamic range of 130 dB without increasing the noise floor.
목차
1. Introduction
2. Single-coil Feedback Method
3. Experiment
4. Results
5. Conclusion
References
참고문헌 (0)
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