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- 저자 : Heedon Jang(장희돈) (검색결과 1 건)
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A Stent based In-vivo Bio-Sensing Microsystem through MICS and Wireless Power Transfer Platform
Heedon Jang(장희돈),Franklin Bien(변영재) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.11
In this paper, a stent-based in-vivo bio-sensing microsystem, with a medical implant communication service (MICS) and a wireless power transfer (WPT) platform, is proposed. Conventional bio-marker monitoring methods -- such as blood pressure detecting or glucose level monitoring -- suffer from low accuracy, limited number of sampling, and user pain. The proposed method involves once procedural insertion of the microsystem, offering accurate and constant monitoring without pain. In this paper, an in-vivo bio-sensing microsystem is introduced with focus on the MICS and WPT platform implementation. For minimal size, a delay locked loop (DLL) with output frequency of 400 MHz is designed with a 1.8-V supply voltage. MICS IC consumes less than 2 mW, and in order to supply power to MICS and in-vivo sensors, a WPT receiver chip – which include rectifier and regulator – is implemented. The WPT receiver can provide 2.4 V output, with load regulation range up to 100 mA. Both MICS and WPT IC are fabricated in a 180 nm CMOS technology.
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