4 ms·
More like 7200 RPM, but that would be 120Hz. The motor would be driven by PWM though, that's more likely to cause sound issues
by da768 3y ago
More like 7200 RPM, but that would be 120Hz. The motor would be driven by PWM though, that's more likely to cause sound issues
- tyingq 3y agoA deep dive into that topic...PWM drivers for hard drives, torque ripple, and reducing noise. https://www.ti.com/sc/docs/msp/papers/1998/bwhite.pdf https://www.ti.com/sc/docs/msp/papers/1998/bwhite.pdf