Compact LTCC Balun using L-C Embraced Structure for 128 MHz 3T MRI Applications
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Date
2022-12
Authors
Ma, Q.
Tie, H.
Zhou, B.
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Referee
Mark
Journal Title
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Volume Title
Publisher
Společnost pro radioelektronické inženýrství
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Abstract
A compact lumped-element balun is proposed for 128 MHz frequency 3 Tesla (T) magnetic resonance imaging (MRI) applications. The miniaturization is achieved by the inductor-capacitor (L-C) embraced structure, which places vertically-interdigital-capacitor (VIC) inside spiral inductor for higher integration. The L-C surrounded structure only takes up one element’s area without increasing the number of substrate layers. The balun is built on a 10-layer thickness low temperature co-fired ceramic (LTCC) substrate and has the smallest reported size of only 0.007×0.008 × 0.0009 λg. Moreover, the proposed balun also has a 2nd-order harmonic suppression of 32 dB. Furthermore, comparisons and discussions are also implemented.
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Citation
Radioengineering. 2022 vol. 31, č. 4, s. 455-459. ISSN 1210-2512
https://www.radioeng.cz/fulltexts/2022/22_04_0455_0459.pdf
https://www.radioeng.cz/fulltexts/2022/22_04_0455_0459.pdf
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Peer-reviewed
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Published version
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en