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Ansoft Designer / Ansys Designer 在线帮助文档：

Schematic Editor >
   N-Ports in Designer >
       Creating an N-Port Model >
           Options Tab

Options Tab

The Options tab is used to select the behavior of the selected NPort.

The following controls are available:

• Nexxim/Designer System/HSPICE — Sets the NPort type. The selections for Interpolation, Extrapolation, DC Behavior, Method, and Passivity Enforcement depend on the NPort type selected.

• Interpolation — Specifies the interpolation method for data points within the frequency range of the Touchstone data.

• Extrapolation — Specifies the extrapolation method for data points outside the frequency range of the Touchstone data.

• DC Behavior — Specifies behavior of the N-Port at DC (zero frequency).

• Method — Specifies the method used to convert frequency domain data to the time domain. Choice of methods is available only for Nexxim Nports.

• Passivity Enforcement — Performs a passivity check on the S-parameter data and attempts to correct non-passive data. Passive devices may dissipate or temporarily store energy, but never generate energy. Use the pulldown menu to select the method for enforcing passivity. Passivity enforcement is not available only for Nexxim NPorts. For details on passivity checking and enforcement, see S-Parameter Technical Notes.

• Use reciprocal — Computes the inverse, or reciprocal, at each frequency so that the N-port can be used for de-embedding. The Use reciprocal option is not available for Designer System NPorts.

• Noise Model — Specifies noise model for DC and frequency-domain analyses:

None = No noise analysis

Internal = Use internal noise model

External = Use noise data from Touchstone file if present, else use internal noise model

• Additional Options — Allows you to add model-level options for Nexxim or HSPICE.

• Network Data Explorer — Allows you to view solution data by opening the Network Data Explorer.

When the N-port Options have been entered, click OK or select another tab.

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