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