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sranje
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re: Researchers integrate silicon, III-V
sranje   3/25/2011 1:53:08 PM
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There is another event - related to above. Why is Power Integrations not announcing the Velox acquisition? PI now has a GaN-on-silicon fab facility. Velox revenues were about $2.4M with 18 employees (most probably out of $$$). It means that PI is very aggressive in investments for wide bandgap semiconductors (both SiC and GaN). STM has apparently made a pass on the fab and most probably acquired technology know-how for its internal developments. GaN on silicon technology will likely change the landscape of Power Mngmt ICs - togheter with Digital power control it will allow major breakthroughs in power reduction and miniaturization.

Kinnar
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re: Researchers integrate silicon, III-V
Kinnar   3/25/2011 12:15:01 PM
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Great achievement by the Toyohashi University of Technology researchers, this has got the benefits as listed in the article but simultaneously one more advantage will be that the embedded circuits will be easily tested due to the on chip LEDs as an indicating elements.



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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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