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Recent content by mack369

  1. M

    need help with RF 2.4GHz layout of SMA connector

    Hello, I'm working on a layout of device that uses IEEE802.15.4 2.4GHz radio communication. There is a radio chip with the 50Ohm antenna output and edge PCB mounted SMA connector. I already used "Wcalc" application to calculate the antenna trace parameters (such width and spacing) but I'm...
  2. M

    Altium Designer setting design rule for distance between lines on mechanical layer

    Hello, I want to specify the minimum distance between lines on a mechanical layer. There is no problem to do that between signal layers but I couldn't find any rule for mechanical layers. I need it because some components from my library have the outline on mechanical 15 layer and it would be...
  3. M

    Purpose of different layers in PCB design

    I see. So, there is no global standard for those layers. This explains why I couldn't find anything on the web :)
  4. M

    Purpose of different layers in PCB design

    Pretty obvious, the question is what is exact meaning of each mechanical layer. For example mechanical 1 specifies the dimensions of the board etc.
  5. M

    Purpose of different layers in PCB design

    Can someone give me an explanation what is the purpose of different mechanical layers in PCB design software? I've found this thread: https://www.edaboard.com/threads/114899/ but the inner link doesn't work.
  6. M

    Altium designer: How to mark that component shouldn't be mounted.

    @adrom: Thanks a lot, this is exactly what I need.
  7. M

    Altium designer: How to mark that component shouldn't be mounted.

    So far I usually add an NC parameter but it is problematic in BOM generation. Is there any better way?
  8. M

    apdu communication with sim card

    sim apdu Hi, I'm programming smart card as in the attachment. I need to write a 1F00 file, but it is read and write protected (chv1 and chv2 keys). Cart is new and I don't have any information about values of chv1 and chv2. When I'm trying to verify chv1 key (with for example 0000 or 1111...
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