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LMX2433EVAL: LMX2433 EVM Adapter test

Part Number: LMX2433EVAL
Other Parts Discussed in Thread: LMX2433, USB2ANY, LMX2485, LMX2571


        My customer is evaluting LMX2433EVM. A problem is that Adapter config has not found LMX2433 P/N, would you have some suggestions?

If you have adapter LMX2433 config or USB2ANY  output pin cofig ?

  • Dear Frank, thank you for your patience, your question will be answered shortly, regards, Simon.
  • Frank,

    Thank you for your interest in the LMX2433. Unfortunately, there reason that the LMX2433 is not on the list is that it does not work with the converter board. I tried to get this working with no sucess.

    Here's what I would suggest:
    1. Make sure that the LMX2433 is really the right choice for this customer. We have devices with and without integrated VCO that have better performance and also a charge pump that works to higher voltage. Consider LMX2571 (also exports external VCO), LMX2485 (dual PLL with higher charge pump voltage), or many other possibilities based on key specifications.

    2. If the LMX2433 is the right choice, I would do the following:
    a. On the board, tie all the enable pins high
    b. Connect the Cable without the USB 2 any
    c. Manually swap the CLK, DATA, and LE outputs with jumper wires. Choose a newer board that does not require the converter board to see where CLK, DATA, and LE come out (Like the LMX2571).