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

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What are .C1 and .C2 Gerber files in Altium 14?

I am currently working on a project and I'm about to get the Gerber files checked by FreeDFM.com. My question is, in my Gerber files, there are a couple that have the extension .C1 and .C2. In ...
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27 views

Exporting from Altium to CST PCB Studio

Based on CST website, they claim that CST PCB Studio can import Altium files. But when I open Import on CST , it gives me just these options : I tried to Export Altium to HyperLynx and Import it ...
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1answer
34 views

Altium polygon pour doesn't cover same net pads

I've made boards and seen more that use polygon pours that flow over pads that connect to the same net. However, I was tasked with making minor changes to an old board that I didn't design. On the ...
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54 views

How does Altium Designer's “impedance constraint” feature work?

Altium has a design rules option for setting a track width constraint according to line's impedance (e.g.; 50\$\Omega\$). How do I use it? Please give me instructions or a link to an online tutorial. ...
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388 views

What to do with unused analog inputs?

I am working on an application using ATmega328p atmel microcontroller. I started with the 28 PDIP version, but now I want to use the 32 TQFP, which I noticed has 2 extra inputs after compiling my ...
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88 views

Mosfet as a Switch

I have created 2 circuits using altium designer as shown below: After simulation here is what i have for the left circuit: Right circuit: Basically, as you can see in the first circuit i have 2 ...
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40 views

How to set Multi Layer Check in Altium 14?

When defining component clearance in Altium it warns you when 2 components are too close, but, it also warns you even when the components are on different layers so obviously they can't collide. As ...
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51 views

Altium Hierarchical design error

I have a Hierarchical design in Altium and after compiling I am getting and error about Duplicate NET name wire.... I searched on Altium articles and here on ...
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34 views

How to use Altium SVN version control with BitBucket?

I currently have a local SVN repository to commit the changes in my designs but now I want to have this repository in the cloud using BitBucket. I am trying to set this repository as my Altium ...
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69 views

How to route to a hidden pin in Altium

I'm using Altium Designer 14.2.3 and I have a connector on which are always two pins connected to each other. In my schematic library I have configured the Pins to be hidden and connected to the ...
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69 views

Altium schematic rectangle color?

I'm learning Altium at job. Just curious what is the difference between the yellow rectangle and the white ones on the schematic symbols?
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70 views

Need help to understand mechanical drawing for footprint

I am a new user of Altium Designer. I need to make a footprint of this varistor, and I cannot understand its drawing. Same thing happens for the rest of the components. Can someone here tell me how I ...
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71 views

Difference between SOP and PSOP

I am trying to create a custom PSOP footprint in Altium designer using the IPC compliant footprint wizard. The datasheet of the ic says that it is a PSOP (plastic small outline package). In the wizard ...
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71 views

Altium : Rule on connector

I use auto routing with Altium and I search a way to force routing a connector on Bottom layer (as I do PCB prototype myself, it easier to solder connector on Bottom side). To do this, I create a room ...
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80 views

Altium clear region

I have a four layer board: Signal, GND (internal power plane), VCC (internal ground plane), signal. My design includes a chip antenna that requires a completely cleared region at the edge of the PCB. ...
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84 views

Save Footprints from PCB in Altium

I have a script that convert Eagle PCB to Altium PCB. It creates the components, tracks, pads, etc. Everything works ok. I can click on "component" like the resistor footprint, and move it, etc. Now, ...
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270 views

Avoiding solder mask in certain region in Altium PCB design

I want to have a region in my PCB without solder mask while the other regions should have solder mask. I am not sure how do I do it in Altium? Is it by having a Solid (copper) Fill in the Top/Bottom ...
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1answer
130 views

Altium, PCB component selection problem

Is there a way to set Altium to select only COMPONENT and not anything else like pads, nearby text or polygons? I'm used to OrCAD where click simply selects the components required to be moved.
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36 views

Altium custom library randomly works/fails

I have created a custom library (both sch and pcb, both the same name too) for altium 2009 summer release. I keep them in a separate folder, and after adding them to a project, they work fine, ...
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2answers
500 views

Altium: create a component that expands to multiple footprints

I am using a component that requires two headers to connect to it. I currently have a single footprint for this component that simply includes two copies of the connecting header. The problem I'm ...
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1answer
135 views

What are these double lines in Altium designer?

I have a problem with Altium: I want to know what these lines are. They look like a net with 2 perpendicular lines, but I don't know what it is! It's very boring to design my circuit. How do I ...
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345 views

Edit a silkscreen over a gerber file in Altium

I have some gerber files that are perfect, except the legend. I would like to include some useful information on the top silkscreen. is it possible to edit a new PCB using a gerber file as background ...
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1answer
101 views

Altium trace width rule applied to blanket only

In Altium, I set a rule for PCB trace width and clearances for a high current net but I only want it applied to that blanket that I have created in the schematic. I have monitoring lines that wont be ...
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149 views

Altium update from schematic - delete and add component constantly

When I issue an engineering change order to update my PCB from the schematic window, 2 components are always deleted and added every time. How can I stop this?
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502 views

Does Altium Designer 14 work with Windows 8?

I have a AD 09 license from my school, and they said it would not work on a W8 pc. Now I am in process of getting a new laptop. Since most laptops come with W8, I am wondering if I will be able to run ...
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311 views

Altium, it is possible to mirror the silk screen?

I am trying to build a simple PCB at home. It is a single layer PCB, and I would like to transfer the silk screen on the back side, mirrored. But for that, I need to mirror text, etc. To design the ...
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1k views

Altium Designer: How do I scale the output gerber file generated by Smart PDF into 1:1 ratio?

I'm trying to export a PCB layout PDF from Altium Designer 13.2.5. When my PCB design is open, I click Menu > File > Smart PDF... to open the PDF generation wizard. Throughout the wizard, I do the ...
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107 views

Altium: fetch nets of components from schematic alone with DelphiScript

I would like to automatically derate certain components in a schematic using DelphiScript. For example, say we have a 5V and 12V net in our schematic and some 16V capacitors on each of those nets. In ...
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1answer
187 views

Altium footprint Wizard SOT669

Anyone know if the footprint wizard in Altium can be used to generate SOT669 package footprints? It appears to me that its only capable of 3 lead MOSFETs. I searched the web and couldn't find ...
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265 views

Altium says my labels are floating

Been using Altium and multi sheet projects for a while. My latest project involves a lot of signals so I'm trying to keep things tidy using lots of labels, ports, busses. So I have a bus for enable ...
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1answer
129 views

Altium - Daisy-chaining repeated schematic sheets

Is there a more elegant way to do the following? Essentially I am trying to daisy-chain multiple "LED" devices, each with a data-in and data-out port. So do1 will be connected to di2, do2 -> di3... ...
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1answer
144 views

Imported 3D Models are always white?

Every time I try to create a footprint and embed an .stl file of the actual mechanical CAD of the part, the color information seems to get lost. When I select the footprint in the .PcbLib file, ...
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108 views

Routing rules for components in Altium

Is there a way to make a speciffic routing rule applicable only for selected components (or component class)? I want to define some "routing width" rules that will start routing the same net (e.g. ...
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1answer
564 views

How to add Mouse Bites or V-Groove to PCB In Altium?

I know mouse bites are more used to snap off one of many of the same boards in a panelized array, but I'm hoping to put mouse bites to snap off part of the same board if that's possible. Is there ...
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101 views

Altium layers “blacked out”

I have somehow hit a shortcut in Altium that causes all of the layers that I am not currently working on to become grey. I can change layers and they are still there. How do I turn this off? It is not ...
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2answers
110 views

Altium Redundant ECO

Hello I am doing board layout in Altium but whenever I import changes from schematics Altium performs a redundant ECO where it just adds and deletes the same 39 components. For example: 1) I import ...
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93 views

Can't see Line or Track in Altium while placing the Line or Track

I'm no longer able to see the track or line I am placing in Altium PCB while I'm placing it. When I've completed the placement it shows up. Somehow I've turned on this "feature" and can't turn it ...
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594 views

Multiple net names in Altium Designer

We are currently designing a large PCB where multiple engineers are contributing to the schematic layouts in Altium Designer 13. We decided to use a hierarchical layout for our design so that each ...
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3answers
2k views

How to convert Proteus PCB design (ARES .LYT) to Altium Designer (.PCB)?

I am familiar with Proteus software and have designed my PCB with its ARES package. Now I want to order it and found a company that offers good price but they only accept PCB layouts in .PCB format. ...
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1k views

Are Altium Vaults worth it for a small company?

I'm going through the process of starting a bunch of new design work in Altium at the moment at my company, and am trying to decide whether it's worth going through the effort of setting up the Altium ...
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261 views

Can i calculate the parasitic capacitance in Altium?

As you know for calculate the capacitor of crystal(for MCU) you should use of this equation: CX = 2*(CL - Cstray) We can find the Cl in crystal's datasheet but, for Cstray, we should calculate: ...
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1answer
201 views

Reset Port Identifiers in Altium Designer

Lately I have been working on a new design in Altium (a derivative of my last ARM board) but I have run into a problem. I am at the stage of compiling the schematic documents and checking for ...
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3answers
147 views

Exporting 2D part outline data from Altium?

Anyone know if there's a way to export Altium PCB part outlines (I don't care about the detailed view of a part, just its physical 2D circle or polygon envelope) to an easy-to-parse output file? I ...
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334 views

Altium: One resistor, or multiple resistors on your lib?

How you deal with resistors and capacitors in Altium? If you have a single resistor/capacitor, it is easy later to change values, etc, but how do you deal with the BoM later? But, if you have ...
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1answer
325 views

Why make all the PCB GND or VCC?

Recently I saw a PCB that it was all Ground and other Nets were Routed inside that. I found out that in order to do that (In DXP software) you have to do as following: But the question is what is ...
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2answers
1k views

Any-angle routing in Altium?

I have a design with a very thin and curvy board shape, so any-angle routing is absolutely required. My favorite EDA software is Altium, so right now I have only two options, both bad, for how to ...
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99 views

Altium Simulation Node Voltages

When simulating a circuit in Altium it generates signals based on the components and net labels placed in the circuit, eg: r1[i] r1[p] v1 v2 Altium also adds the ...
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1answer
270 views

Sane default for Altium pastemask expansion?

I am rather new to layout work. I am asking this question to sanity check that: The pastemask expansion is supposed to be negative (paste area smaller than the pad), right? My vendor said to use ...
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1answer
350 views

Altium Varied Polygon Connections

I want to change the connection rules for a few polygons in my board. for experimentation purposes I set the default rule to have direct connects on all polygons. Then created a second rule with ...
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302 views

SOT23-5 Package vs SOT23-5L…Differences?

I'm designing a board which uses an LDO that comes in the SOT23-5 package. I have these parts in my possession, and on the part label (from Digikey) it displays that it is a SOT23-5, which makes ...