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TINA/Spice/OPA333: Operating point not found for my circuit

JAYARAMA KAPIL SRIDHARA
Prodigy 110 points
Part Number: OPA333
Other Parts Discussed in Thread: TINA-TI,

Tool/software: TINA-TI or Spice Models

Operating point not found in this circuit while calculating AC transfer characteristics, please help me outNoname.TSC

  • 0
    TI__Expert 5830 points

    Hello Jayarama,

    The reason for the "Operating point not found" message is because the jumper "VCC" on the Sallen Key Filter (using OPA333) does not have a supply associated with it.  If you change "VCC" to "Vsupply" it will simulate AC transfer characteristics.

    Best regards,

    Errol Leon

    Texas Instruments

    Precision Op Amp Applications