NDLI: Active nuclear magnetic resonance probe: A new multidiciplinary approach toward highly sensitive biomolecoular spectroscopy

Content Provider	IEEE Xplore Digital Library
Author	Pourmodheji, H. Ghafar-Zadeh, E. Magierowski, S.
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. Eng. & Comput. Sci., York Univ., Toronto, ON, Canada (Pourmodheji, H.; Ghafar-Zadeh, E.; Magierowski, S.)
Abstract	We present a fully integrated CMOS stacked detection inductor and front-end receiver for NMR applications. Instead of a planar CMOS NMR detection coil, we propose a multi-turn differential stacked inductor with hollowed core. Such a structure makes available the possibility of introducing minute analyte samples directly within the sensing coil with ensuing boost in NMR measurement sensitivity. Physical simulations of the hollowed inductor stack are used to verify the superiority of a differential coil topology. The front-end receiver contains LC pre-amplification, low-noise amplifier (LNA) and voltage buffer. Both the differential stacked detection inductor and front-end receiver are designed for 300 MHz NMR settings. The front-end receiver achieves an input referred noise of 780 pV/√Hz and voltage gain of 43 dB. The core of the LNA draws a DC current of 3.4-mA from a 1.6 V supply voltage. The chip is designed in a 0.13-μm CMOS technology and occupies an area of 1 mm × 2 mm.
Starting Page	473
Ending Page	476
File Size	760295
Page Count	4
File Format	PDF
ISBN	9781479983919
DOI	10.1109/ISCAS.2015.7168673
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-24
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductors Nuclear magnetic resonance Noise CMOS integrated circuits Receivers System-on-chip Magnetic fields Front-End Receiver CMOS Differential Stacked inductor NMR LNA
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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