Re: Harmonic Balance simulators and Spice models??

In article <1120013433.528740.237040@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
"billcalley" <billcalley@xxxxxxxxx> wrote:

> In looking at MWO and ADS, it seems to me that most of the nonlinear
> transistor models in their libraries are simply Spice models (either as
> .model or .subckt files). Is this pretty much all harmonic balance
> simulators use; or are there actually some true HB transistor models
> out there?

What would you expect to be in a 'true HB transistor model' that is
not also accessible from the code comprising a full spice model?

Charles.
.