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Floating Point Overflow Error

David Ingalls
Prodigy 50 points
Other Parts Discussed in Thread: TINA-TI

When I start my transient simulation, I receive an inane Floating Point Overflow Error (with absolutely no other information).  I don't think that I have any "floating" nodes (not referenced to ground at DC).  The circuit includes lossy transmission lines and a couple of ideal transformers for coupling.

Any ideas?

  • 0
    TI__Expert 5515 points

    We're going to need a little more information...

    Since you tagged this with TINA, I'm assuming you're using TINA-TI, the latest version?

    Would it be possible for you to post the TINA schematic (.tsc) file? You'll probably have to zip it first so the forum site will accept the file attachment.

  • 0
    TI__Intellectual 2290 points

    David,

            Could you upload a copy of your circuit to get a better idea of the issues you are facing? Thanks.

    Regards,

    -Marcos

  • 0 in reply to Rick Downs - WEBENCH Design Center
    Prodigy 50 points

    I am using TINA and TINA-TI.

    I guess that I was fishing for some typical causes of such an error so that I could do some trial and error troubleshooting in my schematic.

    I have run very similar versions of the schematic without any issue and after nuking a small amount of circuitry that terminate the lossy transmision lines in a different fashon (Ethernet-like), I get this inane error.

    I am still working on sharing some of the circuit, but it uses VCCS to drive transmision lines in two directions away from coupled inductors for a coupling method -- much like a transformer (it should emulate the shield to signal conductor coupling or a STP or coax -- BCI like).  The transmission lines are of the lossy type and have both CM and DM termination.