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Max The Magnificent
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Re: Thanx for posting the video
Max The Magnificent   6/19/2014 6:00:09 PM
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@DrFPGA: Short of resources? You? Say it ain't so...

It's true ... it's true ... sometimes I don't know whether to take a 3-hour lunch or spend the afternoon at the executive spa-&-bar. There's only so much of me to go around you know LOL

DrFPGA
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Re: Thanx for posting the video
DrFPGA   6/19/2014 5:55:56 PM
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Short of resources? You? Say it ain't so....

Max The Magnificent
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Re: Thanx for posting the video
Max The Magnificent   6/19/2014 5:43:17 PM
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@DrFPGA: These short videos are perfect introductions. Hope you can post more like them in future news items.

I agree -- a picture says 1,000 words, and a video says 1,000,000+ -- the trick is to persuade folks to make them ... I always ask, but oftentimes they are short of resources (like the rest of us LOL)

DrFPGA
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Thanx for posting the video
DrFPGA   6/19/2014 5:27:42 PM
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These short videos are perfect introductions. Hope you can post more like them in future news items.

Max The Magnificent
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Re: Don't you mean inputs?
Max The Magnificent   6/19/2014 1:56:58 PM
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@Blevy0: ...don't you mean ports configured as analog inputs, not outputs?

Arrgghhhh -- you are correct -- good catch -- I just made the change -- thansk for bringing thsi to my attention

BLevy0
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Don't you mean inputs?
BLevy0   6/19/2014 1:28:21 PM
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In the paragraph:

In the case of ports configured as analog outputs, any adjacent pair of ports can be used to form a differential ADC. Furthermore, any port of such a differential ADC can be internally biased to form a pseudo-differential ADC. (Multiple ADCs can share a common bias point.)

don't you mean ports configured as analog inputs, not outputs?



(Kind of hard to make an ADC with an analog output.)

 

mtmason
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Re: Anti-aliasing filter?
mtmason   6/18/2014 7:57:50 PM
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Simple RC anti-aliasing on the ADC channels may be all that is needed in many cases.  It's true if the system is reconfigurd 'on-the-fly' then the user would eed to know where the ADC input channels are if they are deploying anti aliasing filters.  You could get creative with the internal switch to enable 'R-C' filtering on an as needed basis...ut this may not be the best use of Pixi pins.  product details and datasheet can be found here....http://www.maximintegrated.com/en/products/analog/data-converters/analog-to-digital-converters/MAX11300.html

 

mtmason
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Re: Price
mtmason   6/18/2014 7:51:10 PM
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1K pricing is $5.88.  details here  http://www.maximintegrated.com/en/products/analog/data-converters/analog-to-digital-converters/MAX11300.html

 

betajet
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Re: Price
betajet   6/18/2014 1:12:11 PM
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Max The Magnificent
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Re: Price
Max The Magnificent   6/18/2014 11:59:13 AM
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@Dave1010101: ...its adoption in the market will depend on price which I haven't seen yet.

My bad -- they did tell me -- and I forgot -- that's another question I will ask them to respond to here in the comments (watch this space)

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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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