[Home]History of Diagnosing Hardware

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Revision 2 . . April 9, 2012 4:46 pm by Jthornton
Revision 1 . . April 9, 2012 6:28 am by Jthornton
  

Difference (from prior major revision) (no other diffs)

Changed: 11c11,16
If rawcount counts up and down, but the DRO is wrong, then you likely have a scaling problem
If rawcount counts up and down, but the DRO is wrong, then you likely have a scaling problem.

1.1. Voltage Checks



The A pair and the B pair should behave identically , that is
all pins should have roughly TTL level swings
(with a 0-.4V low and a 2.4 to 5V high)depending on shaft position
if the A and B pairs behave differently I would check your wiring.

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