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Schematic shows different sized text

 

My file is AC_Coupling.asc and has text that has been made smaller than it was in older LTSpice versions. The weird part is some text is small but other text is normal. Using version 24.0.12.
 

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Yes, this is known about, and it's a nuisance. There is a file that fixes it, but it has to be run from the command line. Instead, you can click on each small text (use the magnifier (plus sign on the toolbar) if necessary and rest the size to 1.5, which is the default.

On 2025-03-13 20:14, charles@... wrote:
My file is AC_Coupling.asc and has text that has been made smaller than it was in older LTSpice versions. The weird part is some text is small but other text is normal. Using version 24.0.12.
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Edited

On Thu, Mar 13, 2025 at 04:14 PM, <charles@...> wrote:
My file is AC_Coupling.asc and has text that has been made smaller than it was in older LTSpice versions. The weird part is some text is small but other text is normal. Using version 24.0.12.
Is there a question in there?
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Most text on LTspice schematics can be changed to different sizes.
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There is the global setting, in the Control Panel (Settings) > Drafting Options > Font Properties > Size.? That setting would affect the difference between text, and symbols and wires.? In my opinion, it is best left alone, or else you may end up with schematics that are unreadable when viewed by other LTspice users.
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And then there is the relative text size setting, for some but not all types of text.? You can change the relative size of comment text, as well as text that is attached to symbols, but not Labels (net names).? Right-click on the text and look for "Font Size".? The choices probably are 0.625, 1.0, 1.5(default), 2.0, 2.5, 3.5, 5.0, and 7.0.? These can be used to scale individual texts up or down in size.
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If you created schematics in VERY old versions of LTspice (probably LTspice III which was MANY years ago), then the text might have been saved differently in the .asc file, causing their text to look tiny when the schematic is opened in newer versions (LTspice IV, LTspice XVII, or LTspice 24).? LTspice has two command-line switches (-FixUpSymbolFonts and -FixUpSchematicFonts) to "repair" those old schematics or symbols that had that problem.? See the Help page for Modes of Operation > Command Line Switches.
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Andy
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On Thu, Mar 13, 2025 at 04:14 PM, <charles@...> wrote:
My file is AC_Coupling.asc ...
Ah.? That was your way of telling us that you uploaded that file.? In the future, please make it a little more obvious, so that even slow people like me notice it.
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Indeed, it looks like it was?saved more than a decade ago, before Mike Engelhardt changed LTspice's "default" font size.? The result is that some of the text now looks tiny - and some doesn't.
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I ran it through LTspice with the 'FixUpSchematicFonts command-line switch, and saved it as "AC Coupling FixedFonts.asc" in the "Temp" folder.
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Andy
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