AoE x-Chapters, 4x.26, MOSFET current source, nodal analysis

On Thursday, 15 August 2019 18:51:56 UTC+1, Winfield Hill  wrote:
> tabbypurr wrote...

> > Really it's the sim that's wrong, but you can tackle
> > its shortcomings by adding in parts to the sim's input
> > so it sims more features of the real circuit.
> 
>  LTSpice lets you add parasitic aspects to basic parts,
>  like resistors, but these are hidden on the schematic,
>  so you have no idea whether the modeller made additions,
>  or whether he made the right ones.  I prefer seeing a
>  SPICE schematic, with the parasitic parts explicitly
>  showing, so you know what was taken care of, and how.
>  To my mind, these aspects are up to the engineering
>  doing the SPICE schematic drafting, and not up to the
>  SPICE program.  The LTSpice approach is bad, not good.
>  So I disagree, it's not the sim that's wrong.

I think we're just using words a little differently, but agree on the principle.


NT