Originally Posted by noisillator  The detector is the slowest component in the onboard path, and the Fairchild datasheet states rise/fall times of 8uS. That should be more than sufficient to read 25K rpm.
http://www.datasheetcatalog.org/data...ld/QRB1114.pdf
The question is whether the PC interface and Mach3 can keep up. |
True, guess I could route the signal through a counter and divide by 10 to scale it down a bit. That should work fine, as the resolution isn't that important.