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3 votes
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Altium Singular Matrix warning & Simulation Crashing

Holey moley! That's not an amp model, that's an affront to humanity! I don't know where you got it from, but uh yeah, that's likely a problem. Downloading the model: https://www.ti.com/lit/zip/...
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3 votes

How can I remove the designID from showing on the schematic in all components in Altium?

The Design Item ID doesn't show on schematic symbols. But often the Comment field does, and is usually a duplicate of the Design Item ID initially. Turn off the visibility (the eye icon) for Comment, ...
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3 votes

How do I fix the red lines on Altium schematic?

Three possibilities: The nets have no other instances in the schematic and therefore they are floating, or The signals coming to directional pins (i.e. inputs, outputs or bidirectional GPIOs) are ...
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3 votes

How do I fix the red lines on Altium schematic?

Check that everything is on your grid properly, because it's telling you that some of your net labels are floating and not properly on your wires, which is why some of your nets only have one ...
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2 votes

Altium Designer errors updating PCB project

Before trying to create or update a PCB, you should Validate your schematic. (Project > Validate PCB Project). This is also shown when you try to update the PCB. Errors can prevent the update ...
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2 votes
Accepted

What is this object in Altium Designer?

It's a signal harness for signals
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1 vote
Accepted

Automatically changing traces in Altium from impedance layer stackup

Changing the stack-up will affect the calculated trace width for impedance-controlled traces; however it will not automatically update existing traces. To update trace width, select the traces of ...
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1 vote
Accepted

Track to track clearance in Altium

I accomplish this by creating a separate set of rules for areas of tighter tolerances. The way I accomplish this is to create a room in Altium which allows you to create another matching condition for ...
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1 vote

Removing old references from designators in schematic

The shadows are compile results. Evidently you have a hierarchical design. It is showing what physical name(s) have been assigned to those components. Select the tab at the bottom of the window (&...
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1 vote

The cross hatched patterns in Altium viewer

In this case the red cross hatched area seems to be marking the component package on the top layer.
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  • 1,653
1 vote

Altium component rotation on the PCB does not match the pick-and-place data

As far as I can make out, the rotation is based on the assumption by Altium that the way the component’s footprint was drawn is the same as the orientation in the tape (or waffle tray etc). After all,...
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