抖动从哪里来
常见来源有三类：磁路间隙波动、齿盘偏心与线束共模干扰。
五条排查经验
- 先测气隙一致性，再怀疑芯片
- 确认齿盘材质与节距是否符合规格书
- 线束绞距与屏蔽层接地方式
- 电源去耦电容靠近芯片引脚
- 必要时启用芯片内置滤波
Solution
Author：应用技术部
Jitter Suppression and Mounting Guidelines for Speed Sensors
Speed-signal jitter is often not caused by the chip but by magnetic air gap, target-wheel eccentricity and harness shielding. This article summarizes five field troubleshooting practices.
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