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John, As has been pointed out, the non-E version of the models do leak much more than the product. That's the model. The E versions are supposed model input bias current and it still leaked too much

macro getting The the high OPA129 just confident

<helmutsennewald@y...> wrote: amp confident entered

I get similar problems with the OP27A, although in my case it is the noise that is reported about 2 orders more than the data sheet and han

wrote: uses website. in a to

<helmutsennewald@y...> wrote: a OPA129

macro getting The the high just confident Hello John, I tried to verify your results a

Are there any special considerations with using P-spice op-amp macro models with LTspice? I'm trying to simulate a circuit that uses a Burr Brown/TI electrometer op-amp (OPA128 or OPA129) and I'm

files -

Jon, No really, but the cursors are helpful. You can get a quick idea by dragging a box as if you were going to zoom that just touches the peak and valley points and looking at the dy value on the

You may have to download the complete package and re-install from scratch under Wine. I had this problem (sync release didn't work) when I had LTSpice on my machine at work behind a corporate

In my PC running Linux (SuSe 8.1) I installed wine, then I installed SwitcherCADIII. The program seems to work well, I have only a little problem, I am not able to update the program using internet.If

Hehe. Sure! I want folks at Linear to realize it's all appreciated. Works for me. Looks good. Thanks! ... Is there way to get the peak-to-peak over a specific time range? One simple calculation I'd

Jon, Thanks for that wonderful letter you wrote. I forwarded it to the Chief Technical Officer at Linear. Hope that's okay. For your question, it might help you to know that you can see what your {}

I want to start out by saying that I'm a hobbyist, not an electronics professional. When I first heard of SwitcherCAD III/LT Spice perhaps a year ago, I went to the Linear web site with the intent to

<helmutsennewald@y...>" <helmutsennewald@y...> wrote:

<helmutsennewald@y...>" <helmutsennewald@y...> wrote: And again some more information. The model in my example file is from this link: http://www.duncanamps.com/spicevalvesp.html Another source is:

Hello Bill, I forgot to mention that the symbols for the triode, tetrode and pentode are all in the "misc" directory of LTSpice. I am not shure you were aware of that. Best Regards Helmut

Thanks! I'm checking it out now. Bill --- "Helmut Sennewald <helmutsennewald@...>" <helmutsennewald@...> wrote:

<wrljet@y...> wrote: Hello Bill, I did it once for a pentode. The model is included in the schematic, but this can be changed using a library file valve.lib. Then add instead .include valve.lib in the