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Robotics Developer
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re: Freescale pushes wireless recharge
Robotics Developer   5/31/2012 8:47:49 PM
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I can see a possible future for all desks and workstation areas having this wireless power recharger built in. I would love to have the freedom to run any application, anywhere, on my laptop/handheld without needing to watch the battery life. If it would be retrofitted onto plane drop down trays - that would be just wonderful. Imagine, flying coast to coast using your power hungry laptop on full brightness and not running out of power!

R_Colin_Johnson
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re: Freescale pushes wireless recharge
R_Colin_Johnson   5/31/2012 6:33:29 PM
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Efficiency is up to 80 percent, and with multiple coils that automatically switch on and off, you don't have to line up the device perfectly to get good wireless power transfers.

R_Colin_Johnson
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re: Freescale pushes wireless recharge
R_Colin_Johnson   5/31/2012 6:32:24 PM
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Instead of having to carry a different wall wart for each device you want to plug in and recharge, wireless rechargers all use a standard dock that you just lay the device atop.

chanj0
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re: Freescale pushes wireless recharge
chanj0   5/31/2012 4:50:35 PM
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Inductive charging has been a very hot topic these days. There is no doubt technology has improved substantially. The charging efficient wasn't very good in the old days. What's the charging efficient now?

palangga
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re: Freescale pushes wireless recharge
palangga   5/31/2012 4:19:33 PM
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What is the advantage of this? If you still have to make contact or proximity to the docking station which is plugged in, what does wireless charging bring to the table?

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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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