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Re: LTspice vs ngspice 12AU7 tube amplifier transient analysis


 

On Wed, Mar 5, 2025 at 03:23 AM, <mhx@...> wrote:
NGSPICE has had a VDMOS model since release 32 (current is 44.2).
That is what I heard.? BUT -- Is it the same as LTspice's VDMOS?? ?That is, did ngspice try to copy LTspice's VDMOS?? How successfully did they copy LTspice's VDMOS?
?
Or does ngspice do a completely different VDMOS model?? Does this fall under the "VDMOS means different things to different people" which I suggested?
?
Andy
?

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