동기식 검출 방식을 적용한 체성분 분석 시스템 주파수 성분 검출 방법
조민형, 전영득, 백영석, 박문양, 구본태
- 11517216 (2022.12.06)
17PB2400, 부위별 다중 주파수 임피던스 측정을 위한 고성능(1MHz급) 체성분 분석기용 SoC 개발,
- The inventive concept relates to a body composition analysis system. A body composition analysis system according to an embodiment of the inventive concept includes a sinusoidal signal generator, a synchronous detector, and a bioimpedance analyzer. The sinusoidal signal generator converts a digital sinusoidal signal having a target frequency into an analog sinusoidal signal. The synchronous detector extracts a target frequency component of a bioelectrical signal generated in response to an analog sinusoidal signal based on the digital sinusoidal signal. The bioimpedance analyzer calculates the bioimpedance based on the target frequency component of the bioelectrical signal. According to the inventive concept, it is possible to improve the selectivity for extracting the target frequency component of the bioelectrical signal and to reduce the area and variations of characteristics for the implementation of the integrated circuit.
- KSP 제안 키워드
- Body composition, Frequency components, Integrated circuit, Signal Generator, Sinusoidal signal, Target frequency, analysis system, bioelectrical signal, composition analysis, inventive concept, signal based, synchronous detector