Magnetic Resonance
Magnetic Resonance
MR
Articles | Volume 3, issue 1
Articles | Volume 3, issue 1
https://doi.org/10.5194/mr-3-77-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-3-77-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 1
Research article
 | 
16 May 2022
Research article |  | 16 May 2022

A portable NMR platform with arbitrary phase control and temperature compensation

Qing Yang, Jianyu Zhao, Frederik Dreyer, Daniel Krüger, and Jens Anders

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Cited articles

AD9835: https://www.analog.com/en/products/ad9835.html#product-overview, last access: 11 February 2022. 
Alnajjar, B. M. K., Buchau, A., Baumgartner, L., and Anders, J.: NMR magnets for portable applications using 3D printed materials, J. Magn. Reson., 326, 106934, https://doi.org/10.1016/j.jmr.2021.106934, 2021. 
Anders, J. and Boero, G.: A Low-Noise CMOS Receiver Frontend for MRI, 2008 IEEE Biomedical Circuits and Systems Conference, Baltimore, MD, USA, 20–22 November 2008, https://doi.org/10.1109/BIOCAS.2008.4696900, 2008. 
Anders, J. and Lips, K.: MR to go, J. Magn. Reson., 306, 118–123, https://doi.org/10.1016/j.jmr.2019.07.007, 2019. 
Anders, J., Chiaramonte, G., SanGiorgio, P., and Boero, G.: A single-chip array of NMR receivers, J. Magn. Reson., 201, 239–249, https://doi.org/10.1016/j.jmr.2009.09.019, 2009. 
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Short summary
We have presented a CMOS-based NMR platform featuring arbitrary phase control and coherent detection in a non-zero intermediate frequency (IF) receiver architecture as well as active automatic temperature compensation. The proposed platform is centered around a custom-designed NMR-on-a-chip transceiver. The entire system achieves a phase stability well below 1° in consecutive pulse acquire experiments and keeps a normalized standard deviation in the measured T2 values of 0.45 % over 100 min.
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