Broadband matching of nuclear quadrupole resonance detector using non-Foster circuits
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© 2016 IEEE. A new class of nuclear quadrupole resonance (NQR) detector based on non-Foster circuits (NFCs) is introduced. NQR is a solid-state radio frequency spectroscopic technique, allowing the detection of different substances based on their spectral profiles. Recently, non-Foster circuits have received significant interest for broadband impedance matching of small antennas; this principle will be used to develop highly matched, broadband antennas, which will allow very quick NQR detection from 1 MHz to 6 MHz.
AuthorsLi, W; Rajab, KZ; Alhoefer, K; Zupancic, B; Barras, J
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