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Unread 21-05-2012, 09:54
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Alan Anderson Alan Anderson is offline
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Re: High speed encoder with slotted / flat end... can't find one.

Quote:
Originally Posted by Mark McLeod View Post
Are you using 4x sampling to get the max from your Bourns?
Counting each and every one of them gives you 512 ticks per revolution with a "128cpr" encoder.
Depending on how much processing/filtering is performed on the encoder results, using anything except the 1x mode could introduce jitter. Picking one transition and sticking with it gives the "cleanest" measurement.