X4 X4M03 Custom Antennas/multichannel X4-based device

Discussion in 'X2 & X4 SoC' started by Belskikh, Apr 7, 2017.

  1. Belskikh

    Belskikh New Member


    I'm interested to buy the X4M03.

    But I have two questions:
    1) How can I connect custom antennas to X4M03 device?
    2) How can I create multichannel X4-based device (multiple transmitters + multiple receivers)

  2. Horst Huettmann

    Horst Huettmann New Member


    to 1) You can't!
    X4A02 Antenna Board to which the X4SIP02 X4 System-in-Package is soldered has two patch antenna's, as you know. I don't see a chance to connect cables or connectors there (and remove the antenna's). Meaning, you have to design your own board, starting from available Altium X4SIP02 design.
    to 2)
    Have a look to the X4 - Prelimanary Datasheet, 10.2. Multi Radar Applications, page 23, that might answer your question in detail.

  3. Belskikh

    Belskikh New Member

    Thank you for the ansert!
    How can I get the X4 - Prelimanary Datasheet ? I can't find it on this site.
  4. Horst Huettmann

    Horst Huettmann New Member

    Go to https://www.xethru.com/, select SYSTEM-ON-CHIP ==> X4 Xethru
    Then, you have to contact Novelda for getting the data sheet.
  5. Horst Huettmann

    Horst Huettmann New Member

    Hi Belskihk,
    Did you get the data sheet in mean time?
    If not, send me a mail to Horst.Huettmann@skydar.de.
  6. Belskikh

    Belskikh New Member

    Hello, Horst!
    I already received the data sheet, thank you
  7. William Wallace

    William Wallace New Member

    This severely limits the ability of creating custom applications using the X4 chip from this development kit. Doe XeThru / Novelda have any plans to sell an a different or conversion card to add ports for an antenna? Or can they provide recommendations to alter the kit to add such ports?
  8. Sooraj

    Sooraj New Member

    Hi all,
    Can anyone please tell me whether the X4 chip is using Quad SPI or normal SPI ??
  9. Horst Huettmann

    Horst Huettmann New Member

    X4-PreliminaryData Sheet:
    *Master/Slave Serial Peripheral Interface (SPI)
    *Quad SPI mode for higher data rates
  10. Olav Liseth

    Olav Liseth Administrator Staff Member

    Hi William,

    This is currently your option: https://store.flatearthinc.com/coll...onza-radar-development-kit-ltsa-mini-5-11-ghz

  11. Olav Liseth

    Olav Liseth Administrator Staff Member

    Sooraj, way off topic; You can choose, QSPI/SPI is programmable.
  12. brokenbad

    brokenbad New Member