Abstract
Due to rapid developments of space devices the feasibility of space missions has been improved. New devices are small, light, cheap and benefit from low power consumption. Magnetic sensors for space applications need to follow these improvements. Hence, new sensors are needed to substitute the currently used fluxgate magnetometers, which introduce problems due to their high weight.[1] Anisotropic magnetoresistance (AMR), giant magnetoresistance (GMR) and tunnel magnetoresistance (TMR) based magneto sensors could be used to substitute fluxgate magnetometers.[1] Especially, AMR sensors can outperform conventional magnetometers in airspace applications, thanks to their extremely small weight, their low power consumption(,) and their low noise. These properties make them ideal for small satellites applications. Further, AMR benefits from low noise in the frequency range between 1 to 100 KHz. This gives them the detectivity in the same range as the fluxgate.[2]
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