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Hello to all, thanks a lot for your reply.

You recall correctly: ** was first used in Fortran, which first appeared in 1957 Sent: Friday, March 21, 2025 10:16 AM To: [email protected] Subject: EXTERNAL: Re: [LTspice] What's the meaning of "**"

"a**b" means a raised to the power (or exponent) b. "a^b" does *not* mean the same thing, but with one exception. IIRC, "**" is from the days of FORTRAN, or earlier. Andy

"**" is the exponentiation operator. See, e.g.: Help > LTspice > LTspice? > Circuit Elements >B. Arbitrary Behavioral Voltage or Current Sources > The following functions table (near the bottom). --

Hello, in some models I found some double "*": what's the meaning of this operator ? Thanks a lot in advance.

There are a number of obvious things wrong: 1. The left-hand pair of gate drive signals are complementary, but have no dead zone, so both devices will conduct at transitions. 2. The right-hand pair

Those errors suggest that you made sloppy mistakes.? I don't know what settings you changed, but they should not have caused any errors about random nodes.? Adding resistors also would not cause an

You are mistaken.? There is only one kind of switching transistor in the schematic, the G3R60MT07J.? If you meant for some of them to be G3R75MT12J, you forgot to add them to your schematic. Andy

I wonder if the 10 ohm resistor is not the load.? Maybe the converter's output load is R3, the 0.09669 ohm resistor in series with the choke, between the two sets of switching transistors. Those two

One tip for the future: put all models and symbols in the same folder as the schematic. The schematic can't be open properly without copying the symbol L3_GeneSiC_MTseries_TO-263-7.asy into the top

Your schematic shows the 350V source connected through 0.1 ohm to the 10 ohm load. That can't be right. -- This email has been checked for viruses by AVG antivirus software. www.avg.com

Hi, LT spice is showing issue with random nodes in the simulation anytime I change settings or add some resistance or make any change. I have attached the link for simulation file too. For example,

What exactly is going wrong? What is the error message? If you want informed suggestions, you will probably have to upload your schematic with all models and symbols in a zip to Files > Temp. In the

Hello everyone, I am trying to simulate Four switch non inverting buck boost converter with two different genesic switches G3R60MT07J and G3R75MT12J. The library files are encrypted, so I cannot make

Hello everybody, I would like to reopen this topic. Indeed,?I compiled all of PTC models originally publied by John Popelish into one single library. Moreover, I added one input pin compared to

It's not good to add any files to LTspice's own files. Keep them in the same folder as your .ASC file. You can also make your own library file, such as MySpiceFiles, and put your? .ASC and .SUB files

As you might know already, the schematic symbol is not part of the SPICE model, and it has no real meaning.? You can draw and modify the symbols without changing the results of the simulation.? Let

Hi Andy, hi John, thanks for your time . My ask was only for find two model with the same graphic symbol, the same electrical comportament, and the same kind of installation. I'm a newbie and sometime

John Popelish is no longer a member of this group. My guess is that he no longer walks among us, but that is just a guess. Tracking members' activity has become more difficult since this group moved

Hi, Andy. Language problem. Andrea means 'manufacturer', not 'individual'. -- This email has been checked for viruses by AVG antivirus software. www.avg.com