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dc.title100-Channel wireless neural recording system with 54-Mb/s data link and 40%-efficiency power link
dc.contributor.authorCheng, K.-W.
dc.contributor.authorZou, X.
dc.contributor.authorCheong, J.H.
dc.contributor.authorXue, R.-F.
dc.contributor.authorChen, Z.
dc.contributor.authorYao, L.
dc.contributor.authorCha, H.-K.
dc.contributor.authorCheng, S.J.
dc.contributor.authorLi, P.
dc.contributor.authorLiu, L.
dc.contributor.authorAndia, L.
dc.contributor.authorHo, C.K.
dc.contributor.authorCheng, M.-Y.
dc.contributor.authorDuan, Z.
dc.contributor.authorRajkumar, R.
dc.contributor.authorZheng, Y.
dc.contributor.authorGoh, W.L.
dc.contributor.authorGuo, Y.
dc.contributor.authorDawe, G.
dc.contributor.authorPark, W.-T.
dc.contributor.authorJe, M.
dc.identifier.citationCheng, K.-W.,Zou, X.,Cheong, J.H.,Xue, R.-F.,Chen, Z.,Yao, L.,Cha, H.-K.,Cheng, S.J.,Li, P.,Liu, L.,Andia, L.,Ho, C.K.,Cheng, M.-Y.,Duan, Z.,Rajkumar, R.,Zheng, Y.,Goh, W.L.,Guo, Y.,Dawe, G.,Park, W.-T.,Je, M. (2012). 100-Channel wireless neural recording system with 54-Mb/s data link and 40%-efficiency power link. Proceedings - 2012 IEEE Asian Solid-State Circuits Conference, A-SSCC : 185-188. ScholarBank@NUS Repository. <a href="" target="_blank"></a>
dc.description.abstractFor real-time monitoring of brain activities, a highdata-rate, low-power, and highly mobile neural recording system is desirable. This paper presents a complete chipset for a 100-channel wireless neural recording system, which consists of 3 ICs - a neural interface (NI) IC and a wireless power RX and data TX IC for an implant unit (IU), and a wireless data RX IC for an external head unit (EHU). With a dual S/H NI architecture and a burst-mode (BM) wideband (WB) FSK TX, the IU achieves a 100-channel recording and wireless transmission at 54.24Mb/s while consuming only 6.6mW. Using power coupling with optimal resonant load transformation and high-efficiency rectifier and LDO circuits, the whole wireless power link achieves 40% efficiency over 1cm distance with 0.5cm tissue in between. The EHU needs to transmit the RF power lower than 30mW to operate the IU. The EHU is implemented using a crystal-less BM WB FSK RX consuming only 14.4mW at 27.12Mb/s. © 2012 IEEE.
dc.typeConference Paper
dc.description.sourcetitleProceedings - 2012 IEEE Asian Solid-State Circuits Conference, A-SSCC
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