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Massimo, I'm glad that you're using it for educational purposes. I've actually had it as a job requirement to promote it for this for some while but held off until I had the hierarchical schematics

Massimo Gaspari wrote:

Dear Mike, I appreciated very much the LTspice program. I would like to thank you and Linear tech. too. I am using LTspice for educational pourposes, it is the best choice for that (IMHO).The are no

Jim, Yes, that was something that was sorely needed. I just put up a version, 2.01t, which supports this. Also, it's possible to turn off auto- ranging when adding/removing traces. The waveform window

> > Thanks to Helmut for the hints to making model-libs and coverting > plain Spice- > > Ascii text. > > I encounterd problems with the model of the vacuum tube 12AX7 > below. Apart from > > being

Hello Mike, sorry for my too fast judgement. I have overlooked the '^' XOR operator in the LTSPICE help page. Thanks for your reply, Helmut

Not this time! '^' The behavioral source syntax is given in the help in LTspice=>Circuit Elements=>B. Arbitrary behavioral source. '^' means Boolean exclusive OR. '**' is exponentiation. SPICE3

wrote: plain Spice- below. Apart from Hello Arnold, I tried your example also without luck. The next step you normally would do is testing the transfer function I_A(Ugk). Ok, I did it for you. The

Thanks to Helmut for the hints to making model-libs and coverting plain Spice- Ascii text. I encounterd problems with the model of the vacuum tube 12AX7 below. Apart from being rather far from

Dale Out here on the coast we are the old Hughes Aircraft Company bunch (Electro-Optical, Missile Systems, Radar, IR Focal Planes, Commercial and Defense satellites) and have been using simulations as

Bill - Are you volunteering to join me in a chorus of "Take this Job and Shove It"? (Are you old enough to remember "Up the Establishment"?) I'll bet it really WAS work related - weren't you using

Brian - Thanks for taking the time to make these points. You seem to have an excellent grasp of how simulation fits into the larger picture of creating a producible design. EDA Tool integration -

Thanks for the tip!! Do you know if that is representative of the corporation as a whole, or largely restricted to your location? Dale kinds of simulations (Pspice, Mathcad, Versions of Berkley Spice,

John Thanks for your reply & encouragement. I agree that analog simulation is one of many tools useful in the design process. I don't mean to be contradictory or argumentative, but in my experience

Thanks Helmut! Dave.

<david.pariseau@s...> wrote: Hello Davis, there are Idsoff current specs in the datasheet. They have named it Idss and Igss. BSS84 Tj=25 degree: IDSS drain-source leakage current VGS = 0; VDS = -40 V

The datasheets for the 2N7002 and BSS84 don't have a figure for Idsoff. Could this figure be included in their models? Does LTSpice use this figure? If so what is it called and what would I look for

process? and Dale, You are going to use simulation in any job that requires you to do circuit design. I think it's understood that simulation is just another tool used in the circuit design process.

I use it -at- work, but not for work related purposes. :-) __________________________________________________ Do you Yahoo!? Yahoo! Platinum - Watch CBS' NCAA March Madness, live on your desktop!

I know that a number of people here use it unofficially. Our so-called "prefered" simulator is SABER for some strange reason, although our ECAD does (thank God) support Accusim -a Spice based