A Concept of LNA with Low Input Impedance Using Common Base BJT for Low-Field MRI

Aleksei A. Nasonov, Mikhail V. Murzin, Nikolay V. Anisimov +4

Purpose: In magnetic resonance imaging (MRI), preamplifier decoupling is used to improve the signal-to-noise ratio of a multichannel receive coil array. In low-field and ultra-low-…