Andy Pugh wrote: > > However, I think just applying a 250Hz square wave and an oscilloscope > should at least tell you what comes out of the terminals and then you > can figure it out from there. A $15 Arduino with a power OP amp can > produce the excitation, sample the output, time it to 62nS resolution > and convert it to encoder-style pulses. > > The drive excitation has to be VERY carefully balanced, as the output signal is MUCH smaller than the drive. Other than that, yes, you could probably build a modern circuit with good micro or FPGA to do all the counting, etc. Not completely sure it is worth it.
Jon ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
