Re: LTSpice Model for Photo Triac - VOM160
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Hi Andy, Thank you really for so much patience from you to find explanations. Pls see my upload of the pdf screenshot what I see on my laptop. I don't use? windows explorer but I have windows 10.? I use chrome browser. Also I don't do any settings change on my laptop especially regarding downloads. I'm not good at it and afraid something wrong might happen. I just use default settings.
Anyway thank you once again!. I'm learning quite a lot browsing thru the LTSpice Help Menu.?
Now I found that the colors of the waveform plots can actually be altered to your liking especially the dark blue ones that could barely be seen on black screen background.? So I got them in pink, yellow, white, etc. , for easier visibility :).
Best regards, Eric
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Eric, I still don't see a "2 input and gate" in a drawing or a filename, so I'm not sure what you were talking about.? I don't see "NPN bjt transistor" before filenames either.? I don't know where you are looking when you see that.? Oh well.
Any symbol file (any filename ending in .ASY, if it came from LTspice) can be put into the "sym" directory.
? ? "Bordodynov's file name has "..asy" after it but no "and gate" or "npn" drawing icon before it so I'm not sure where to save that kind of file."
Wait -- now I might understand what you mean.? Are you talking about the icons that you see in Windows Explorer?? Ah-ha!? (Light turns on in head.)
When Windows sees a filename ending in ".asc", it uses the icon for an LTspice schematic file, which is a tiny transistor symbol.? When Windows sees a filename ending in ".asy", it uses the icon for an LTspice symbol file, which is the AND gate.? This must be what you're talking about, right?? These icons are put there by Microsoft Windows, based only on the filename's extension.? So when Bordodynov's file didn't have the AND gate icon in Windows on your computer, that meant its filename did not really end in ".asy".
And -- here's the thing -- that probably means that you have your computer set up to "Hide extensions for known file types".? Bordodynov's file, when it was downloaded to your computer, probably picked up a ".txt" extension (from your web browser), so it was saved as "MOC3083.asy.txt", but Windows hid the ".txt" from you so it looked like "MOC3083.asy".? But that was not the real filename.? In my opinion, this is a really bad feature of Microsoft Windows!? You can disable it by opening Windows Explorer and going to Tools > Folder Options > View, then UN-check "Hide extensions for known file types".? In my opinion, having it checked is dangerous, for all but the casual PC users who don't want to know what filenames mean.
If this is what happened, then you should rename Bordodynov's symbol file to get rid of the ".txt" extension.? LTspice wouldn't see it as a valid symbol file unless it really ends in ".asy".
Regards, Andy
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