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I wish. I'm a musician. Been through many tube guitar amps so I love them old radio engineers handbooks and the sort but alas. No. We make gas sensors to detect dangerous gases in industrial settings.

It wasn't anything like that.

I tried the group archives a couple of different ways but was unsuccessful. As far as STI, what is that an acronym for again? As far as Microchip, their site has not been helpful so far. Got the data

I searched the vendor sites but have so far come up empty. I will try again. I did also search on this site but, nothing came up for any of these parts. Finally, I tried perusing that long ass set of

I'm actually trying to simulate a device we make at work. I work at a small company and their stuff is old as hell. Lol! The company has been around for 40 or so years so, a lot of the devices were

That's good -- but it does not fully help.? Your main schematic (heng-24v.asc) wants to load the symbol named "LG_single".? That symbol is a file named "LG_single.asy", which is still on your

Old Hi-Fi?

Is there a good reason why you are performing the the .FOUR over 61 cycles? You don't get a more accurate answer using more cycles. Unless you have some time-varying perturbation going on, why not use

Sorry, I missed that it is supposed to be used with another schematic. For future reference, it is best to upload all required files packaged in a zip, not separately. that makes it easier and more

Are you sure you uploaded the right schematic? LG_single.asc doesn't even have an analysis directive. It just looks like a loop probe, which designed to be used in .AC analyses, anyway. -- Regards,

Ivan, when you said you had already looked here, there, and everywhere, I assume you searched the Internet for these parts, and found their webpages from the manufacturers that make them. Most (not

Wow! Have you seen the price of 2N3791s? They haven't been made for decades. Why are you using them? -- Regards, Tony

Beware.? There is at least one long list of library parts, which I've seen uploaded in this group a few times, but they are not the models.? It is just a list of the parts that you could get, if you

I just uploaded the file, Dual PSU simplified.zip A first level simplification of the Dual Power Supply, for Andrea Patuelli. Just one LM337 for the negative channel, as a working point. I couldn’t

The first step is to search the groups archives from the web site Files page. Then ask the manufacturer, found by a web search - STI in the case of the 1N4572, Microchip for 1N5226, etc.

Ivan, When looking for models, consider these: * Search the Internet (part vendor sites) for "equivalent" parts. * Go to the group's Files ( /g/LTspice/files ) section, and type in

That's not easy, as the LM317 model is a transistor level model. I don't know how close it is to reality. In this respect, behavioural models are easier to work with. This is a good illustration of

Been looking for some components here, there and everywhere, and I am having a hard time finding them. I'm looking for 3 zeners and a power transistor. Zeners: 1N4572A 6.4V Zener 1N5226B 3.3V Zener

Just uploaded LG_single.asc.? It did not make any difference whether I am using version 24.0.12 or 24.1.1.? Andy, I think I see where you are going.? Still trying to digest your post.....

Richard, I don't know if this makes any difference (since I can't try your simulation).? I am only suggesting it as something to try.? Your simulation saves data for 61 cycles, then it asks the