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Abstract #4298

A Simple Setup to Measure the Noise Figure of MRI Preamplifiers

Roland Müller1 and Harald E. Möller1

1Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany

Noise figure measurements have the reputation of being intricate and needing special equipment. Here, we will demonstrate that a simple setup involving an RTL-SDR dongle achieves convenient results. It requires, besides the inexpensive dongle, only common equipment, which should be available in all MRI coil labs.

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