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LM97593: LM97593 - DRCS Control panel software to calculate the programable parameters

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Replies: 12

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Part Number: LM97593

I want to use this part LM97593, but I do not find the DRCS Control Panel software to calculate the programable parameters.

Mainly to calculate the AGC table.

Please, could you indicate me where I can find this software or adittional information about the AGC of this part?

Thanks in advance.

Best Regards,

Pedro

  • Hi Pedro
    The DRCS Control Panel software is no longer available for this fairly old IC.
    The only information I could find regarding the AGC table values is what is given in the AGC Theory of Operation section of the datasheet.
    Best regards,
    Jim B
  • In reply to Jim Brinkhurst84999:

    Thank you for your feedback.

    But checking the AGC Theory of Operation of data sheet , i have some questions:

    - As the gain of error amplifier is applied to the values of table, i.e., if S_Ram is not 1 . With Sram, I can calculate the loop gain (Gl) and with Gl, i can calculate the time delay. My question is how I can calculate the values of the table in function of S_RAM??

    For example, if AGC_LOOP_GAIN=3 and the RAM table is configured as shown below:

    -2 - 2 -2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 2 2 2

    Which is the value for S_RAM??

    Thanks in advance.

    Best Regards,

    Pedro

  • In reply to user277644:

    Please, could you help me with the point commented above?

    How are the values of 32x8 look-up table calculated in function of loop gain or Sram ?

    Thanks in advance.

    We are looking forward to reading about you soon

  • In reply to Jim Brinkhurst84999:

    See next comments.
    Thanks in advance
  • In reply to user277644:

    Hi user
    Sorry for the delay. I'm not very familiar with this older device or the AGC calculations myself, but will try to find the answer to your question.
    Best regards,
    Jim B
  • In reply to Jim Brinkhurst84999:

    Thank you very much.

    I will wait your feedback.

    Best Regards,

    Pedro

  • In reply to user277644:

    Hello,

    Please, could you indicate me if there is some advances about this issue?

    Thanks in advance.

    BEst Regards,

    Pedro

  • Hi Pedro
    I was able to locate some of the older software related to this product family. I'm trying to determine if that will help calculate the AGC table information you are looking for.
    Best regards,
    Jim B
  • In reply to Jim Brinkhurst84999:

    Hi Jim,

    Thank you very much for your support.

    I will wait your feedback about this issue.

    Best Regards,

    Pedro

  • In reply to user277644:

    Hi Pedro

    I haven't worked through all of the details of the software but it looks compatible with the LM97593. 

    Copy the file below to the desired location on your computer and unzip the contents. There is no installation process, you just need to launch the " DRCSCP.EXE" program file. Then select the 5903 tab to get the proper GUI and register map.

    DRCS Software.zip

    Hopefully this is enough to get you going. 

    Best regards,

    Jim B

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