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There are many.? So many.? Here are some that have stood the test of time and are sometimes recommended, but are not cheap: Ken Kundert's "Designer's Guide to SPICE and Spectre". Paul Tuinenga's

Hello Andy, can you advice a good (advanced) SPICE book ? Thanks.

Marcel, yes, that's exactly what I needed! Thanks a lot indeed! Ryu

(I assume you mean in a browser). Search for `.FOUR` (without back-ticks) and then click the `Relevance` button. -marcel

Hello all, I wanted to look through messages concerning the .FOUR command, but there are lots of messages containing the number 'four' which also get included, way too much so I gave up. Is there a

FYI for anyone who comes next, I got it working with spicelib and passing a .net file instead of a .asc file. It might work with the normal cli passing a .net file as well but I'm too lazy to go back

I believe that is the normal SPICE behavior, to try there first. It's been ages since I checked on that.? But it might be the option ITL1 = 100. I suspect most books about SPICE will tell you. Andy

BTW,.option Noopiter in LTspice skips Direct Newton-Raphson (NR) iterations to calculate the ITS/DC operating point. Using default settings, LTspice will try Direct NR to calculate the ITS/DC

We know exactly what ngspice is doing: (reading the source of the intrinsic model implementation, it is the standard DMOS and discrete SPICE diode model but has a thermal output node). According to

Ok yes, for transient analysis it is supposed to work that way. Therefore, at the end of transient analysis, there will be a total number of iterations done (some associated with ITS calculation and

I am uncertain what you suggested.? Why would either simulator use a "small signal linear equivalent circuit" for the transient simulation of something which is or might? be nonlinear?? Shouldn't

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

Thanks Andy, that's the point indeed ! I downloaded the following IRF510 model from http://waynestegall.com/audio/spice-models/onebendamp2/ampmoscfb2.txt .MODEL IRF510 NMOS LEVEL=3 VTO=3.699 KP=20.82U

NGSPICE has had a VDMOS model since release 32 (current is 44.2). -marcel

Carlo, did you have succcess finding the ngspice user group?? (Not the brand new "AllSpice" group.) Andy

Carlo, I'm sorry that I am not currently able to give you direct help with the ngspice part of your question.? But here is another thing to consider. It looks like you used LTspice's schematic and

FYI, LTspice ignores the first parameter of the .TRAN command.? Therefore, ".tran 100n 10m" is identical to ".tran 0 10m" or ".tran 10m 10m".? In the old days of SPICE, the first parameter was the

Carlo, Remember that uploaded files should be uploaded to the "Temp" directory only.? As it says, "Do not upload your files here" where 'here' is the top-level directory -- and "Click 'Temp' first,

Why do you say that it does not allow you to sort bandwidth or slew rate columns?? It works for me.? Did you click on the up- and down-arrows at the top of the columns?? Was there something wrong

I have tested it, and it seems to work quite well. But read the data sheet with care. -- This email has been checked for viruses by AVG antivirus software. www.avg.com