Es kennt immer nur realtive Veränderungen. Wie exakt das funktioniert weiß ich nicht. Habe damit keine eigenen Erfahrungen.
Mounted on a small BGA package just 7 by 7 by 3 mm (147 mm3), the ADXRS is much smaller than available gyros, which range in overall size from 15,138 to 159,975 mm3. The Coriolis effect is a phenomenon in which a moving object, subject to a rotation, experiences linear acceleration that's proportional to the rate of rotation.To make the gyro, an 8-µg polysilicon proof mass is suspended 2 µm over the silicon substrate containing the signal-conditioning electronics. Some 5000 interdigitated fingers, spaced 1.6 µm apart, move in response to the rate of angular rotation, allowing capacitance changes on the order of an incredible 12 zF (1 zeptofarad = 10[ch8722]21 F) to be measured. The device senses acceleration with 30 µg of resolution and can detect deflection distances of a mere 0.00016 Å. It has a shuttle motion of 3000 g at 15 kHz.
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