We present the design and performance of a broad-band single-chip integrated transceiver specifically conceived for nuclear magnetic resonance magnetometry. The single-chip transceiver is realized using a standard silicon complementary metal-oxide-semiconductor integrated circuit technology. A radio-frequency (RF) transmit amplifier, a transmit/receive switch, a low noise RF receive amplifier, a quadrature (IQ)-mixer, and two intermediate frequency amplifiers are integrated on a single silicon chip of 1.8 mm2. The advantages and problematic aspects with respect to conventional discrete electronic approaches are discussed. We show the results of magnetic field measurements performed at 1.4 and 7.05 T, using solid and liquid samples having volumes from 40 μl down to 100 pl. Particular attention is devoted to the comparison of the experimentally measured magnetic field standard deviation with respect to the Cramer-Rao lower bound value. With a sample of distilled water (T1 ≅ T2 ≅ 3 s, 20 ms) having a volume of 40 μl, a standard deviation of 2.5 nT at 7.05 T (i.e., 0.5 ppb) in 1 s of averaging time is achieved, with a projected Cramer-Rao lower bond of 8 pT (i.e., 1.1 ppt).
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A single-chip integrated transceiver for high field NMR magnetometry
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January 2019
Research Article|
January 02 2019
A single-chip integrated transceiver for high field NMR magnetometry
Marco Grisi
;
Marco Grisi
1
École Polytechnique Fédérale de Lausanne
, CH-1015 Lausanne, Switzerland
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Gaurasundar Marc Conley;
Gaurasundar Marc Conley
1
École Polytechnique Fédérale de Lausanne
, CH-1015 Lausanne, Switzerland
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Pascal Sommer;
Pascal Sommer
2
Metrolab Technology SA
, CH-1228 Plan-les-Ouates, Switzerland
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Jacques Tinembart
;
Jacques Tinembart
2
Metrolab Technology SA
, CH-1228 Plan-les-Ouates, Switzerland
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Giovanni Boero
Giovanni Boero
a)
1
École Polytechnique Fédérale de Lausanne
, CH-1015 Lausanne, Switzerland
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a)
Electronic mail: giovanni.boero@epfl.ch.
Rev. Sci. Instrum. 90, 015001 (2019)
Article history
Received:
October 15 2018
Accepted:
December 13 2018
Citation
Marco Grisi, Gaurasundar Marc Conley, Pascal Sommer, Jacques Tinembart, Giovanni Boero; A single-chip integrated transceiver for high field NMR magnetometry. Rev. Sci. Instrum. 1 January 2019; 90 (1): 015001. https://doi.org/10.1063/1.5066436
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