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CMathas
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re: Surge protection—Stop fried electronics
CMathas   8/9/2012 4:48:47 PM
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Sorry, I didn't catch the change in the translation. It is fixed now. Thanks for letting us know.

Mike Fahrion
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re: Surge protection—Stop fried electronics
Mike Fahrion   8/9/2012 4:05:52 PM
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Great catch Jonny - the mu symbol in the text got lost in the web translation. We'll get that corrected.

jonnydoin
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re: Surge protection—Stop fried electronics
jonnydoin   8/9/2012 9:23:48 AM
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The article mentions 8/20 surge pulses as 8ms/20ms. That's wrong. The time scale is in microseconds. A pulse of 8kV with 20ms decay is a *very* large energy. TVSes are capable of absorbing power up to 400~5000W, depending on the model, but a 20ms pulse would require a much larger device. - Jonny

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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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