On 3/17/2014 3:34 PM, Blitzen wrote:
Thanks guys, I guess...I was hoping there might be a solution or something
in particular to check.
What I don't get is that this is the third of these that I've made, and the
other two had no problems at all. In fact, I took this one and plugged it
in next to one that's been running (with perfect accuracy) for years, and
this new build displayed the same fast-running and erratic behavior. I
bought parts for all these at the same time, too- no difference there
although maybe there are manufacturing variations?
Thanks,
-Brian
Brian,
If you socketed the ICs, you could try swapping them between the clocks.
If you have access to an oscilloscope, you can look at the signals into and out
of the mains digitizer circuit (the one getting all the scrutiny in this
discussion) so look for differences.
--David
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