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This work describes the development, implementation, and tests of a modular preamplifier interface box for MRI in a 9.4T preclinical scanner. The interface preamplifier box was characterized on the workbench and tested in the scanner with a 8-channel receive-only array. The results showed that good preamplifier decoupling, and active detuning isolation were achieved, allowing high spatial resolution T2* images of marmoset’s brain sample. In addition, this preamplifier box allows future applications using different multichannel coil geometries.

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Advancing Modular MRI Coil Technology: Design and Implementation of an 8-channel Low-Noise Preamplifier Box for High-Resolution Imaging at 9.4 T

  • 会议论文

  • 发表日期：

    2025年

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  • D. Papoti,
  • D. Szczupak,
  • B. Zhang,
  • A. Silva

摘要

This work describes the development, implementation, and tests of a modular preamplifier interface box for MRI in a 9.4T preclinical scanner. The interface preamplifier box was characterized on the workbench and tested in the scanner with a 8-channel receive-only array. The results showed that good preamplifier decoupling, and active detuning isolation were achieved, allowing high spatial resolution T2* images of marmoset’s brain sample. In addition, this preamplifier box allows future applications using different multichannel coil geometries.