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embeddedbarr
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Re: 14 March 2014 Live Chat -- Lethal Software Defects
embeddedbarr   3/14/2014 1:08:26 PM
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@mr_widget It's interesting to look at what the FDA is doing re: software that could kill device users.  At a high-level, I understand that (1) They publish a set of software development guidelines. (2) They require device manufacturers to have similar processes in place and to provide paper trails. (3) They reserve the right to audit source code after an event and to pull the device off the market if their static analysis tools, e.g., can catch the flaw that caused the problem.

 

Unforunately, automotive industry is the wild west by comparison.



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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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