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.