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Monte Carlo

NJC
Intellectual 970 points
Other Parts Discussed in Thread: TINA-TI

I have a circuit which I would like to do a Monte Carlo Simulation on. I'm having trouble finding out how to do this. I know how to change the tolerances on the components but am unsure of how to do the actual simulation. The goal is to find the worst case frequency response of the circuit.

Also, if anyone knows how to change the tolerance percent on multiple parts at once, that would be a great help.

Thanks in advance.

  • 0
    TI__Expert 5515 points

    Setting up the Monte Carlo analysis may be different depending upon which simulator you are using. If you are inquiring about doing this with TINA-TI, the answer is: TINA-TI doesn't support Monte Carlo analysis (but the commercial version of TINA does). If you are using another simulator, let us know and someone here can probably give some general advice.

  • 0 in reply to Rick Downs - WEBENCH Design Center
    TI__Expert 3875 points

    Hi NJC,

    It is also worth noting that TI, like most suppliers, does not provide any statistical macro models. So, you would need to parametrize devices in your design to reflect variation allowed by your parts suppliers. This can be a very challenging and time consuming task.

    Regards,
    Michael
     

    -- 
    Michael Krasnicki
    Analog eLab
    Texas Instruments
  • 0 in reply to Michael Krasnicki
    Intellectual 970 points

    Thank you both for the responses. I am using TINA-TI so you answered my question. I might be able to get away with not doing a Monte Carlo simulation, but if I need to I can just do it in PSPICE. I just was hoping TINA-TI was able to do it since it is a much nicer and simplified user interface with all the TI parts already easily available.

    Thanks again.