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  An array of fully-integrated quadrature TX/RX NMR field probes for MRI trajectory mapping

Handwerker, J., Eder, M., Tibiletti, M., Kasche, V., Scheffler, K., Becker, J., et al. (2016). An array of fully-integrated quadrature TX/RX NMR field probes for MRI trajectory mapping. In 42nd European Solid-State Circuits Conference (ESSCIRC 2016) (pp. 217-220). Piscataway, NJ, USA: IEEE.

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Handwerker, J, Author
Eder, M, Author
Tibiletti, M, Author
Kasche, V, Author
Scheffler, K1, 2, Author           
Becker, J, Author
Ortmanns, M, Author
Anders, J, Author
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: In this paper we present fully-integrated field probes for real-time trajectory mapping during magnetic resonance imaging (MRI) experiments. The field probes co-integrate an NMR microcoil and the required transceiver electronics on a single ASIC manufactured in a 0.13µm CMOS technology. Thanks to an on-chip PLL, power amplifier and low-IF quadrature receiver, all connections to and from the chip carry only low frequency signals allowing for an effective reduction of the magnetic coupling between the field probes and the MRI scanner during imaging. The small form factor and low power consumption of 16.5mW allows for the realization of arrays of field probes, which in contrast to single probes enable the correction of higher order field imperfections. Measured trajectory maps acquired with a prototype array consisting of four probes demonstrate the excellent sensor performance achievable using the proposed approach.

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 Dates: 2016-09
 Publication Status: Published in print
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.1109/ESSCIRC.2016.7598281
BibTex Citekey: HandwerkerETKSBOA2016
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Title: 42nd European Solid-State Circuits Conference (ESSCIRC 2016)
Place of Event: Lausanne, Switzerland
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Title: 42nd European Solid-State Circuits Conference (ESSCIRC 2016)
Source Genre: Proceedings
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Publ. Info: Piscataway, NJ, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 217 - 220 Identifier: ISBN: 978-1-5090-2972-3