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Garcia-Lasheras
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Face to Face
Garcia-Lasheras   7/5/2013 6:52:31 AM
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Hi Duane. I think you are covering a very interesting topic, as these little rascals are   likely the most widely used SBCs for running OS -- both by hobbyist and professional projects.

I've worked with the BeagleBone, while I've only studied the RaspBerry technical specs. In my oppinion, while they are very similar in so many aspects, there are critical differences too -- multimedia capabilities, industrial control peripherals... and openness of the hardware design!!

It's worthy enough to take a deeper look, so I'm eager to know more about your oppinion & experience with these platforms!

Max The Magnificent
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Re: Face to Face
Max The Magnificent   7/5/2013 12:14:36 PM
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@Garcia: When I look at the capabilities of the BeagleBone and the Raspberry Pi, I can;t help but shake my head in wonder... I remember when the first SBCs were advertized in hobbyist electronics magazines in the UK -- 8-bit micro, 1KB ROM, 1KB RAM, a couple of 7-segment LED displays, and a hex keypad... and there was no way I could afford one.

 

Compare this to what you can get these days for such a small cost... we certainly do live in exciting times...

Duane Benson
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Re: Face to Face
Duane Benson   7/6/2013 1:08:37 PM
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Garcia - I'd be interested to hear about some of your experiences with the Beaglebone. I used the original Beagleboard several years ago and, while it was pretty revolutionary for its time, the Beaglebone is much more refined.

I still can't believe the performance you get for the price with these newest SBCs.

Duane Benson
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Re: Face to Face
Duane Benson   7/6/2013 1:14:03 PM
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Max - 1k RAM and ROM?! That was big-time. My SBC back then only had 256 bytes of RAM and 32 bytes of ROM. At least it had both ones and zeros.



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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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