Verilog and FPGA Development

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  • Rod W.

    One more related comment (1000 char post limit) ...

    I mentioned to Dave that the article in the latest Xcell issue 84 titled "XRadio" on page 28 is a Spartan-6 all-digital FM radio that uses an input-pin as a cheap 1-bit ADC.
    Note this is NOT the same as what Dave did since it does not use feedback like a Sigma-Delta converter does.
    But I do feel that Dave could use an LVDS input-pin config (instead of single-ended CMOS) and get much better performance (and perhaps the integrated feedback output could drive the inverting input of the LVDS, though it would then be limited by the common-mode input range).
    Conversely, I also wonder if that XRadio could change to a Sigma-Delta ADC scheme (with a much-higher oversample-rate) and get better fidelity.

    August 7, 2013

  • Rod W.

    Not to focus on only Xilinx FPGAs, but I just wanted to point-out there is a Xilinx quarterly "Xcell Journal" at: http://www.xilinx.com/publicati...­
    You can also subscribe to get new issue notifications via email.

    You'll find articles on things that were briefly mentioned last nite such as Xilinx' new 3D-stack technology and their Zynq SoC (FPGA with embedded ARM Cortex-A9).
    Xcell sometimes tends to be a glossy-production magazine with a lot of "look what we did" marketing articles and ads, but it still might be worth checking out every three months.

    August 7, 2013

  • Vilvakumar S.

    It has been long time since coded any HDL. Dave's session is refreshing me instantly on all those that I have been missing. nostalgic :) . learned a lot of new stuff as well, especially the free tools that are out for us. As usual the meetup was very interactive, that's our strength indeed.

    August 7, 2013

  • Bill B.

    David did a great job presenting FPGA hardware & software tools in a way that really encouraged experimentation. He didn't pull any punches about there being steep learning curves "ahead". He hinted that people who didn't have a good grasp of digital electronics needed to time-travel back and take some course-work, then time-jump return to the present. I'm sure I saw a couple of folks blip out, and back.

    August 6, 2013

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