Low-noise data acquisition system for medical imaging

Details Low-noise data acquisition system for medical imaging Low-noise data acquisition system for medical imaging

2009-02-26

2011-10-18

Jeanglaude, Jean (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S155000, C341S156000

Reexamination Certificate

active

08040270

ABSTRACT:
According to embodiments of the present technique, a system and a method for obtaining low-noise measurements for a wide range of analog signal strengths is provided. According to aspects of the present technique, a low-gain measurement of an input pixel charge is performed, wherein the input pixel charge is distributed to two feedback capacitors, which together provide a relatively low integrator gain. After the low-gain measurement, a high-gain measurement is performed, wherein one of the capacitors is remove from the feedback loop and the charge is redistributed to the remaining capacitor.

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