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ndancer01
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re: Debugging a reactor
ndancer01   3/22/2013 4:31:11 PM
NO RATINGS
Doesn't seem fair...software has bugs and hardware has rats. Not fair at all.

BrianBailey
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re: Debugging a reactor
BrianBailey   3/22/2013 6:07:34 PM
NO RATINGS
Well, both were actually in hardware. Maybe a bug is a small error and a rat is much closer to being disastrous!

przemek0
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re: Debugging a reactor
przemek0   3/22/2013 6:31:33 PM
NO RATINGS
Perhaps while the programmers practice 'debugging', electrical engineers practice 'derating'.

ndancer01
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re: Debugging a reactor
ndancer01   3/22/2013 7:47:23 PM
NO RATINGS
Oh, of course. If you don't de-rat, you get too many errors from no margin. And all the rats get marginalized. Kind of like politics, huh?

BrianBailey
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re: Debugging a reactor
BrianBailey   3/22/2013 11:04:03 PM
NO RATINGS
And All this time I thought they meant they had to derate the design when in fact they were deRATing it!

panzerboy
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re: Debugging a reactor
panzerboy   5/17/2013 3:01:16 AM
NO RATINGS
'Japanese officials stated that the reactors are in a "cold shutdown" state and no longer releasing high levels of radiation. That statement does not reassure me at all.' Strange that the officials mention the condition of the reactor when the power cut was to cooling tanks (pools?). What power do they need? Power for the lighting so you can check the external condition of the fuel rods? Power for the crane that emplaces and re-arranges the rods? None of this seems at all dangerous if there is a power cut. The rods will continue to decay, heat will continue to convect away. I've suddenly realised this article was meant to be humorous.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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