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TPD4E02B04-Q1: Usage of S-Parameter in Circuit simulation

Yuji Matsumoto
Prodigy 120 points
Part Number: TPD4E02B04-Q1

Hi TI team.

We would like to perform waveform verification in a circuit simulator using the S-parameter of TPD4E02B04-Q1.

(The S-parameter can be obtained from https://www.ti.com/jp/lit/zip/slvmbk1)

1. It appears that the S-parameter of TPD4E02B04-Q1 are based on actual measurement data.

Are the wiring and pads de-embedded?

2. We plan to obtain the S-parameters of the PCB through electromagnetic simulation.

The correspondence between the wiring and the ports is as shown in the diagram.

In this case, we believe the connection between the S-parameters of TPD4E02B04-Q1 and the PCB is as follows:

PCB Port2 -> TPD4E02B04-Q1 Port1

PCB Port3 -> TPD4E02B04-Q1 Port3

PCB Port6 -> TPD4E02B04-Q1 Port2

PCB Port7 -> TPD4E02B04-Q1 Port4

Is this correct?

Regards,

Matsumoto

  • 0
    TI__Expert 5290 points

    Hi Matsumoto-san,

    I have reached out to our s-parameter team to receive clarification on your first question. You are correct, our s-parameter files are based on measurement data from these devices.

    As for your second question, I believe your setup is correct. 

    I will let you know as soon as I hear back from our s-parameter team!

    Please let me know if you have any additional questions.

    Best Regards,

    Josh Prushing

  • 0 in reply to Josh Prushing
    TI__Expert 5290 points

    Hi Matsumoto-san,

    I just received confirmation that the wiring and PCB traces are de-embedded for our s-parameter measurements!

    Please let me know if you have any additional questions!

    Best Regards,

    Josh Prushing

  • 0 in reply to Josh Prushing
    Prodigy 120 points

    Thank you for your reply.

    Could you please provide more information about PCB trace and pad de-embedding?
    I believe it would be one of the four patterns shown in the diagram, but which pattern would it be?

    Regards,

    Matsumoto

  • 0 in reply to Yuji Matsumoto
    TI__Expert 5290 points

    Hi Matsumoto,

    I have reached out to our s-parameter team and they said they would get back with me by tomorrow, I will let you know as soon as I hear back from them!

    Best Regards,

    Josh Prushing

  • 0 in reply to Josh Prushing
    TI__Expert 5290 points

    Hi Matsumoto,

    Apologies for the delay in response here, but I just received confirmation that our s-parameter de-embedded setup is similar to option D above.

    Please let me know if you have any questions!

    Best Regards,

    Josh Prushing