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Abstract #3918

High Input Impedance LNA with Passive Negative Feedback for High Field Imaging

Cecilia Possanzini1, Marco Boutelje1, Rudolf Kunnen1

1MR Development, Philips Healthcare, Best, Netherlands

In this paper, we show the design of a high impedance amplifier using a passive negative feedback in order to improve manufacturability and reproducibility. The noise figure, gain, and stability of the preamplifier has been simulated with a non linear model and measured on different samples at 3T.