A novel chopping-spinning MAGFET device

A novel MAGFET device is presented. Its specific architecture allows important noise reduction and thus resolution improvement by using a chopping-spinning technique performed by appropriate conditioning and read-out electronics. Experimental results have been carried out on a first non-optimized device and a sensitivity of 4 mA/T with 52 μT resolution over a bandwidth ranging from 5 Hz to 1.6 kHz have been measured.