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- Son, Hungsun
- Electromechanical System and control Lab.
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A Portable Phase-Domain Magnetic Induction Tomography Transceiver with Phase-Band Auto-Tracking and Frequency-Sweep Capabilities
- Author(s)
- Park, Chan Sam, Jeon, Jiyun, Oh, Byungjoo, Chae, Hee Young, Park, Kyeonghwan, Son, Hungsun, Kim, Jae Joon
- Issued Date
- 2018-11
- Citation
- SENSORS, v.18, no.11, pp.3816
- Abstract
- This paper presents a portable magnetic induction tomography (MIT) transceiver integrated circuit to miniaturize conventional equipment-based MIT systems. The miniaturized MIT function is enabled through single-chip transceiver implementation. The proposed MIT transceiver utilizes a phase-locked loop (PLL) for frequency sweeping and a phase-domain sigma-delta modulator with phase-band auto-tracking for a full-range fine-phase resolution. The designed transceiver is fabricated and verified to achieve the measured signal to noise and distortion ratio (SNDR) of 101.7 dB. Its system-level prototype including in-house magnetic sensor coils is manufactured and functionally verified for four different material types.
- Publisher
- MDPI AG
- ISSN
- 1424-8220
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