how tu build a nonline model in ansoft designer?

Please elaborate more ...

What do you want to model?

i want to design a LNA with AFT-36077 in ansoft designer.

but there is only s-parameter model

i can't making DC analysis.

Here is the SPICE model:

http://we.home.agilent.com/upload/cm.../All/atf36.psp

Agilents note: 'While models in this library reflect close similarity to device performance, simulation is only a supplement to lab evaluation. Model performance in general will reflect typical specs for a device, but some aspects of performance may not be modeled...'