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LMX2594: ramping function does not work

user3722001
Prodigy 20 points
Part Number: LMX2594

I bought a LMX2594EVM demo board and try to config it to ramping mode ad described in Fig 13 in page 19 in lmx2594 datasheet. It does not work since there is not detailed register configuration explanation. I can't find how to config it to ramping without need to calibrate. Any one can help? Is there any example to config it step by step? Thanks.

  • 0
    TI__Expert 5370 points
    Dear user,

    thank you for your interest in lmx2594. This is a really nice PLL.

    I have assigned an engineer to help out.

    thank you for your patience.

    Regards, Simon.
  • 0
    TI__Expert 8495 points

    Hi,

    Ramping is mostly introduced in datasheet sections:

    7.3.13.2 Automatic Ramping

     

    An example of a triangle wave from 8 - 10GHz is shown in this section too. You can try to follow this one and see if you can replicate the waveform in Figure 28, and then see if can change the settings to fit your use case. You can also let us know what waveform you are trying to generate and we can create a ".tcs" file that you can load directly into TICS and try on the EVM.

    Regards,

    Brian Wang