Symmetrically biased T/R switches for NMR and MRI with microsecond dead time
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- 作者：David O. Brunnera ; brunner@biomed.ee.ethz.ch" class="auth_mail" title="E-mail the corresponding author ; Lukas Furrerb ; Markus Weigera ; Werner Baumbergerb ; Thomas Schmida ; Jonas Rebera ; Benjamin E. Dietricha ; Bertram J. Wilma ; c ; Romain Froidevauxa ; Klaas P. Pruessmanna
- 关键词：TR switching ; Short T2T2 ; Zero echo time imaging ; Dead time reduction
- 刊名：Journal of Magnetic Resonance
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：263
- 期：Complete
- 页码：147-155
- 全文大小：1203 K
文摘
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A novel PIN diode based T/R switch topology is introduced.
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Switching below 1 μs is demonstrated by bench and MRI measurements.
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Very low spurious transient signals are achieved.
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Enhanced switching performance is achieved with state-of-the art signal efficiencies and linearity.