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csboyer

HN member
Joined
Sat, Apr 27, 2019, 11:33 AM UTC
HN karma
31
Public activity
16 items

About csboyer

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Recent public activity

  1. comment
    Comment #25815095

    For DSSS demod, my guess is a 20 tap match filter designed from a resampled RRC filtered barker sequence. Haven’t looked at the VHDL, but that’s how I’d do it.

  2. comment
    Comment #24512142

    No one who really knows can say due to NDAs. We just know rough order of magnitude price. I can see $30 million for 5nm. With material costs approaching $20 to $30 a chip for mobil…

  3. comment
    Comment #24511776

    Paying for the masks is the big upfront cost - into the $5 to $10s of millions depending on the process node.

  4. comment
    Comment #24437924

    Due to the frequency division/time division duplexing nature of 3GPP protocols, a mesh network is very challenging and non-trival. The 5G standardization has some study items on mu…

  5. comment
    Comment #24407980

    Knowing people in both the legal and software world, law is a tough profession with old world business expectations. Almost everything is “last minute” due to either court deadline…

  6. comment
    Comment #24383515

    The pointer variable does not contain the type - it only stores the address. Sizeof will return whatever the machine address width is. The type is implicitly stored as the pointers…

  7. comment
    Comment #24335594

    As far as I know, pregnancy suppresses the immune response in order to keep the body from attacking the baby itself. That’s why doctors recommend pregnant women not to eat under co…

  8. comment
    Comment #24324630

    Not at a FAANG company but I will ask stuff that might show up as “easy” on leet code. Examples: run length encoding problem or a bit extracting/setting question. I want to see if …

  9. comment
    Comment #24213905

    I’m sure Apple’s government relations attorney was involved in some way and helped keep the project siloed. There was likely some contract, but is buried now.

  10. comment
    Comment #24139802

    Aloha and slotted aloha are still fundamental to most wireless communication networks. Most prevalent is today’s cellular networks. An aloha like algorithm is used by your phone to…

  11. comment
    Comment #22713117

    It seems that they outsourced almost everything to different companies rather than taking expertise in house. SpaceX seems to be doing everything themselves. Amazon seems to be doi…

  12. comment
    Comment #21906904

    The last 10 years of life gets incredible expensive unless you children who want to be full time caregivers... $30K per year + social security likely will not cut it. $30K today wi…

  13. comment
    Comment #21614324

    Even without ARM, I can see them using AMBA or AXI for the bus because there is so much existing IP out there built to that interface.

  14. comment
    Comment #21612081

    Copper mountain has some decent VNAs given the price point.

  15. comment
    Comment #21131271

    Too lazy to break out the stats, but a fair comparison would be international undergrad and grad as opposed to the aggregate. Harvard is actually a large graduate school that happe…

  16. comment
    Comment #20629924

    In the cited statistics, they may be conflating energy production/refining with consumption. In Europe, the Benelux region has much higher consumption then their neighbors. A bit s…