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I tried following the steps on the analog devices website but it seems that with these components the results are not close to the datasheet while when I try this method with others it works.

Do you know any other way to simulate the PSRR of these two components? I really appreciate your help

Link analog devices I followed: https://www.analog.com/en/resources/technical-articles/how-to-get-the-best-results-using-ltspice-for-emc-simulation-part-2.html

Here my result: LT-1761-2.5: enter image description here

LT3060-2.5: enter image description here

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    \$\begingroup\$ What was the relevance of the link? \$\endgroup\$
    – MrGerber
    Commented Jun 25 at 7:37
  • \$\begingroup\$ I followed the steps and commands according to Analog Devices, which is provided in that link \$\endgroup\$
    – Phạm Sáng
    Commented Jun 25 at 13:49
  • \$\begingroup\$ I think your link is wrong. You posted a link to Part 2 instead of Part 1. Anyway, I think you have a divide by zero error for the LT3060-2.5 for the lower frequencies. Something in the device model is zeroing out those frequencies in the output. \$\endgroup\$
    – Ste Kulov
    Commented Jun 26 at 5:38

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