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tom984
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re: DesignCon: Avago, TI hit signal milestones
tom984   1/31/2012 6:56:09 PM
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25G is a incredible speed, and with the right protocol, the Data throughput could be impressive, for applications that can justify the cost/ performance trade off, keeping in-mind silicon foot print costs, Phy Power requirements, latency and deterministic end to end latency which is critical and often over looked. Also how much CPU power and cycles are needed to feed this rate, maintain Stacks for some protocols. I think we will see a quick transition from the today common 10G to 40G then to 100g chip to chip interfaces in the coming 18 months.

GREATTerry
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re: DesignCon: Avago, TI hit signal milestones
GREATTerry   1/30/2012 5:42:35 AM
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Wow, 25Gbps is a incredible speed! With such technology, we can have better wireless network and thus much improved mobile life.



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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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