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Re: 14 March 2014 Live Chat -- Lethal Software Defects
mr_widget   3/14/2014 12:38:51 PM
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Since an ever-increasing proportion of vehicles on the road today are using MCU-regulated control systems (ABS brakes, traction control, throttle, fuel mixture, to name a few), do you think it time to have some clearinghouse of experts to examine the software operating in these things?  The Top Gear fan in me wants very much to assure myself that the next purchaser of a McLaren or Bugatti can be certain to be under safe operating conditions as much as possible, since these cars, especially, are running closer to the ragged edge than any other vehicles, other than professional racing cars.  I can assume the racing teams are closely scrutinising the code as a natural production process :-)



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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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