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IMIC is a Monolithic Active Pixel Sensor prototype for the MAPSSIC project dedicated to direct detection of low energy β+ rays in the brain of awake and freely-moving rats using CMOS technology. Former experiments using a β+ Si probe developed within the PIXSIC project validated a methodological proof of concept. However, conducting routinely such measurements would require improvements with respect...
We present the architecture and preliminary measurements of an ASIC for neural signal recording. The chip consists of 64 analogue channels followed by the analogue multiplexer and it is fabricated in the 180 nm CMOS technology. It consumes 220 µW per channel from ±0.9 V power supply and occupies 13 mm2 area. User is capable to modify frequency bandwidth in the 1 Hz – 60 Hz range for low cut-off frequency...
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