Imaging of low-abundance nuclei could benefit from close proximity detecting coils. Close proximity is conveniently achieved using flexible arrays, which conform to the shape of the subject. In this work, a design of an 8-element ultra-flexible array for 13C imaging is presented. Each array element includes a low-noise preamplifier with 13C/1H active and passive decoupling, as well as high-power pulse protection circuits. The array is lightweight and easy to handle. The design approach is directly scalable to larger size arrays.
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