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zeeglen
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re: April Fool’s Day pranks
zeeglen   3/31/2012 8:36:17 PM
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I remember a long-ago 1st April prank by the great Bob Pease where he purported that digital calculations to 16 significant figures were doomed to failure because of the noise limits at such small levels. Many readers actually took this seriously.

sharps_eng
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re: April Fool’s Day pranks
sharps_eng   3/31/2012 6:26:05 PM
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My eight-year-old called me to deal with a snake under the step outside, and naturally I sprang to the rescue, asking him what it looked like, he said, "an adder" . Being a onetime puff-adder victim myself I was most excited and respectful at the prospect of getting close-up to our only poisonous snake, so my sense of humour was indeed tested when the 'adder' turned out to be a Casio!

David Ashton
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re: April Fool’s Day pranks
David Ashton   3/30/2012 11:37:06 PM
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That reminds me of the old days when you would put your friend's cellphone into spanish or arabic.... Did a good one on my workmate a few years ago. I put a "hotline" feature on his desk phone so whenever he picked it up it called his mobile... He is similarly inclined - if we leave our PCs unlocked when we leave our desk, we come back and find all our icons gone...or the screen image sideways...or worse...



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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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