I did note that it was the temp sensor, but the behavior was clearly different. I guess my earlier search terms weren't good enough to reveal this info about the sensor differences in the T'bolts. I've done some further digging and now have the scoop on these DS1620 changes, etc. Other than pretty graphs, it looks like the difference between units using one vs. the other is a (relatively) minor difference in pps jitter. Also that for those interested enough, there have been plenty of folks that have swapped the sensor. Thanks!

Ziggy

On 10/23/2010 3:31 PM, Bob Camp wrote:
Hi

If you look at the fine print on the yellow graph, it's running right at the limit of the 
"bad" temp sensor. What you are seeing is normal stepping / averaging on the 
low resolution sensor.

Bob


On Oct 23, 2010, at 3:28 PM, Magnus Danielson wrote:

Hi Ziggy,

On 10/23/2010 09:05 PM, Ziggy wrote:
I don't know if embedded images will make it through to the list, but
can someone explain the behavior indicated in this graph? This is from
an auction and it doesn't look at all like other graphs that I've seen.
It's only for a 12 min span, but others with a short span aren't similar.

If the included graph doesn't make it to the list, please take a look at
the auction (150508234942). I'd like to understand more of what I am am
seeing there.
I assume you refer to the yellow curve...

Isn't that the average from the temp-sensor, being the modern coarse-stepped 
variant as things heats up it looks like the step-response of a one pole 
low-pass filter.

Cheers,
Magnus

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