Altium is integrated schematic capture, PCB design and FPGA software.

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Altium: Access Database Library - Only “Library Ref” Appears In Lib Panel

Over the past couple of days I have been experimenting with Altium's Access database library feature and have run into an issue. I have a test database and Altium seems to be reading from it without a ...
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54 views

Polygon pour over keep-out layer

In Altium Designer, I'm using Keep-out layer lines to enforce the manufacturer's board-edge clearance restrictions. The problem is, that the top layer polygon will pour around these lines, which is ...
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27 views

Altium: remove some layer

I have several layer in my pcb design and some of those layers are unwanted as they seems to conflict with each other when i export gerber file. How to remove some mechanical layer ?
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37 views

Altium gerber files looks weird

I have recently generated gerber file via Camtastic in Altium Designer. All the layers appear well in the Altium interface appart it generate some weird line on the display depending on how I zoom on ...
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33 views

How to make multiple GND pours in Altium?

I have a PCB design that requires two ground pours on the bottom layer, one is AGND and the other is DGND. Most of the board is AGND ('L' shape) and the remaining should be DGND. I have tried to pour ...
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39 views

Interactive Diff Pair Length Tuning Altium Designer

I am using Altium Designer and sometimes (very often) when I am using the Interactive Diff Pair Length Tuning even when I click properly on the wire I have this error : As said in the response below ...
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36 views

No hotspot in a component created in Altium

I have added a component to an SCH library in Altium. I have just drawn the component (just the schematic and not the footprint!) and added to it a model that I found on the TI website. I just need ...
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30 views

Altium Library *.LIB to *.IntLib

I just downloaded a model from the TI website for the following component : REF3325. I need to put it in my schematic in order to simulate it after. But in the .rar I downloaded, there is only a *.LIB ...
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35 views

Sub-circuit in Altium

I am working on Altium Designer and I would like to create a subcircuit from existing components. To be more clear, I want to be able to create a new part from a schematic I already draw. For a very ...
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20 views

Altium bus connections with sheet hierarchy

I am using a bus to connect a repeating module to an MCU in Altium. I've tried numerous variations and can't find an example the same as this. I'm not sure which should have labels and which shouldn't ...
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36 views

Why do we need sheet entries and sheet symbol in Altium [duplicate]

I don't understand why we need to define some sheet entries and sheet symbols in Altium with multi sheet design ?! Indeed, nets are already connected to each other by their ID from sheet to sheets as ...
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31 views

Differences between Solid Region vs Polygon Pour

In altium you can define polygon pouring or solid region. It seems both are doing the same things. What are the differences ?
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51 views

Crosstalk analysis, Altium vs. the World

I am trying to understand the real-world effect of crosstalk between nets, and I find I cannot match the data from abstract calculators (like Saturn's PCB toolkit and others) and the Altium crosstalk ...
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46 views

Trace vs polygon pour

when designing PCB with altium, we have created a power plane but under the configuration of signal plane so we could divided the plane for different voltage we have. We have some vis that go to top ...
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25 views

Negative Artwork in Altium

I wanted to print the negative artwork from a PCB that I've designed. The problem is that I couldn't find that option in Altium Designer. I found that I can create a solid layer and then play with the ...
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44 views

Altium - How to Convey Pin-In-Paste Technology in Design

I am working on the first board design I've done with a connector that requires pin-in-paste (aka. "paste-in-hole") soldering. We are trying to expedite the manufacturing process so we are leaning ...
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52 views

Altium - How do I place my GND vias?

I have a 4 layer design, Top, layer2, layer3, bottom. Now I want to place GND vias on a ground polygon. Layers Top and Bottom both are a complete ground plane (Polygon) I was wondering; What is the ...
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29 views

Altium Designer PCB Editor Set Component Reference Point Snap

I am designing a PCB in the metric system however I have some imperial system components on the PCB. I'd like to snap one pad of that component to the metric grid, instead of the component reference ...
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73 views

Altium Designer - Should I place ground vias on a ground polygon?

I am migrating a design from Eagle to Altium and on the Eagle PCB there is a ground plane (polygon) and every pad has its own GND via. So I placed the ground polygon as on Eagle, and Altium ...
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29 views

TI design - LM3478 - missing file(?)

I found TI design for LM3478 http://www.ti.com/tool/PMP10077 . I had downloaded CAD design files "PMP10077 CAD Files" and opened it with Altium Designer (viewer license). But it seems that the file ...
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56 views

Altium: STEP File of Board with Multiple Layer Stacks Exports Incorrectly

I have been having this issue for some time and have not yet figured out whether it is a user error or an Altium bug. I have a PCB design with two layer stackups: In the Altium 3D view it looks ...
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56 views

How to find current limit or resistance of current path that is a polygon in PCB?

I'm trying to understand what is the relevant path of current when I use polygons for PCB design. Edit: I'm particularly interested in the current limit in that path without destroying it. Please ...
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71 views

Altium: Starved Thermal error

I'm getting the following error on all of my GND vias. Internal Plane 1 is my GND plane: Starved Thermal on Internal Plane 1: Via (11.002mm,23.798mm) Top Layer to Bottom Layer. Blocked 3 out of 4 ...
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82 views

Altium off sheet connector vs net vs ports

I have difficulties to understand what are the differences between a net, a port and a off sheet connector. I particularly don't understand when to use a port and when to use a off sheet connector ...
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36 views

Making planar transformers in Altium

Does anyone know of a decent (repeatable) way of making planar transformers/planar inductors in Altium? And if so, how was the experience? Drawing out the tracks and checking trace/space clearance ...
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28 views

Altium: how to display all DRC errors?

I've routed my PCB but had to change the minimum keepout rules which means I'll now have a lot of DRC errors - most tracks are too closely placed together and that would violate the new keepout rule. ...
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29 views

Altium: Change Net Label Size and Font at once!

I have a complete schematic project in Altium Designer. I need to change Net labels text and font. Since I have a huge number of Net Labels, I am wondering if it possible select for instance 20 ...
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44 views

Altium: how to explode an imported 3D model

I've imported a 3D model of an enclosure and I want to check if my PCB will fit inside the box but I can't "open" the box inside Altium. How can I explode or take a 3D model apart in Altium?
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51 views

Altium warning: Adding items to hidden net +3.3V

I am drawing a schematic project in PCB Designer and facing the following warnings when I compile the project: Adding items to hidden net +3.3V and Adding items to hidden net Ground When I double ...
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45 views

Altium footprint manager

I am experiencing something very weird with the footprint manager. When I allocate and validate the footprint change of some component, the footpring manager ECO , I validate and execute and ...
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48 views

Problem to Altium

I installed a version of Altium (16). But in this software, PCB screen is invisible. Please look at the picture: As cab be seen, the black screen of PCB desktop is invisible. Schematic screen is ...
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43 views

Merge polygon pours in Altium Designer

I need to know if there is a way to merge two or more polygon pours of the same type, in order to have only one. So two objects that become one. Is this possible? Because anytime I need to redefine a ...
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17 views

How to import a hatch form AutoCAD to Altium Designer?

I have a hatch in AutoCAD 2015 in a separate layer. How can I import it into Altium Designer Platform Build 26245 to have a polygon pour? I mean to turn a hatch in AutoCAD into a polygon pour in ...
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135 views

How to create a circular polygon pour cutout in Altium Designer?

It is possible to choose "polygon pour cutout" from place menu and create one by clicking multiple points. but how can I create a circular one? I am using Platform Build 26245.
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60 views

Altium Designer 16: Baked symbols in schematic templates

I have a small number of template projects, including project file, schematic file, PCB file and Array file. These were created in AD 14, updated to 15 and now 16. The schematic contains a number of ...
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152 views

Altium Schematics: what does Locked function mean?

I am drawing a schematics in Altium Designer and faced this function when I double click on the components. I need to know when there is a component with different parts, ex: 4 parts. I have to assign ...
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56 views

Altium error: Net contains multiple output sheet entries

I'm having a hard with this one and cannot figure out how to deal with it. As shown in the figure below, ADC[0..2] is going out from A2 and A3 and in to A1: In details: ADC 0 is the output of ...
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78 views

Altium Designer - Printout templates

When i've to generate PDF files with printout layers, i must always add the missing layer i need. For example i usually draw the board outline on keepout layer, so everytime i have to add the keepout ...
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36 views

Altium Designer: How to handle these type of Nets?

I have such complicated Bus [0..4], which go out from Page 2 to Page 1, and then from Page 1 to Page 3 as shown in the figure below which is a Top Sheet: I receive the following error when I ...
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20 views

How do I fix this issue where Altium wants to print multiple pages?

I am trying to print out a PCB scaled 1:1 in order to ensure that my components and mounting holes are lined up perfectly. I've followed these exact instructions to do so: How to export and print the ...
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38 views

Altium | How to clear component clearance violation between two layers?

I'm a beginner of PCB designing. I'm running Altium Designer 15.0.15 As shown in the picture L2 and D2 are on two sides of the PCB and not causing a collision. But for the same component models and ...
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24 views

Annular rings size are different in manufacturer's online gerber viewer

I using Altium Designer 16. I'm begginer in PCB designing and i have done with routing in a small board. In order to check my pcb before making particular changes i encounder a problem which ...
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61 views

Altium Generic components

I am new to Altium designer and had a question. For all of their generic component libraries from the Altium vault they only have 0603(1608 Metric), 0805(2012 Metric) etc. From looking at ...
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335 views

Altium deisgner: drawing 4x10k resistor

I am drawing a schematics in Altium Designer. Based on an old design, there is 4*10k resistor as shown in the figure below. It is actually one component (one Part No in the library) with 4 different ...
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91 views

altium designer space bar doesn't rotate components

I am having a strange behaviour in altium 14. When I place a component on the PCB in PCB Editor, if i press space bar, instead of rotating the component by 90°, it only open a pop up box where I have ...
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65 views

altium designer - Could not find port 'PA0' on model 'tm4c1294_01' for pin 'PA0'

I am designing my very first PCB. I need a PCB with a cortex M4 core in a qtf package. I tried to follow this tutorial: ...
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1answer
67 views

PCB Design Ruleset

I have just started learning PCB Design (using Altium Designner) and I have a basic question about PCB Rule set. Rule set is defined by the Altium, but can we edit the rule set according to our ...
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47 views

Altium: unable to import from schematic

I have completed an Altium PCB design and now I want to change the footprint of one component. The "Import Changes from " button is inactive. How can this be enabled?
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47 views

Understanding the package drawing of a qfp

I am designing my very first PCB and there are a few things on the package drawing of my microcontroller that are unclear to me. Why are the sizes expressed in fractions? e.g.: 0,23/0,13 or ...
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85 views

How to Allow Shorts Between the same Net in Altium

I have some pads and tracks that are different primitives but are the same net in an Altium layout. Altium keeps flagging these as ShortCircuit DRC violations, but they're the same net, so I don't ...