Questions tagged [altium]

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

Filter by
Sorted by
Tagged with
0
votes
1answer
36 views

Altium Designer - How to create a Stripboard template that is only graphical, with no electrical properties?

For quick design and prototyping, and placing components around, I want to create a "layer" of grids of vias in Altium Design, to simulate a pre-fabricated 2.54mm spaced stripboard. I did ...
1
vote
0answers
28 views

Simulating in Altium Designer

I have very little experience with Spice simulations, and I have never simulated in Altium Designer. Whenever I install a simulation model there is an option to choose LTSPICE, PSPICE, or MixedSim. ...
0
votes
0answers
38 views

No components have been enabled for swapping in pcb document

I am working on PCB project. I ran into a problem. When I route my differential signal, the top of the differential signals appear as a grid. When I look at the messages, it gives the error that no ...
0
votes
0answers
14 views

Import DesignSpark project into Altium Designer

Altium mention DesignSpark in their 'Import Wizard' documentation but apparently do not actually support it. Does anyone know a method to achieve this? Would by some miracle DesignSpark have an ...
0
votes
1answer
63 views

Altium: One resistor, mutliple values in library

This question has been asked 8 years ago, but I'm hoping for a new answer. In the past if I have wanted to create a 0402 resistor and have several different values, I have created several different ...
0
votes
1answer
162 views

Check out this PCB design

It's a switching mode power supply with two +24 and +12 outputs using two transformers. The primary side is shared between the two outputs but each output has its own transformer and primary side ...
-1
votes
0answers
48 views

Can CircuitMaker not simulate circuits?

I started using CircuitMaker by Altium recently and made a schematic. I wanted to test if my circuit works as intended but I am unable to find a way to simulate the circuit in the CircuitMaker itself. ...
0
votes
1answer
47 views

Strange line in Altium PCB

I have an infinite long yellow line that is seen in every layer (does not belong to any layer probably). In 3d mode it is invisible. I cannot select that object and I don't know how to delete this. ...
0
votes
1answer
62 views

Power and ground plane layer

I created 18 layers for my project. I defined PWR and GND layers as planes in layer stack manager. When I want to draw polygon in PWR or GND layer, a placed polygon looks disabled as in the picture. ...
0
votes
0answers
22 views

Altium 18: prevent designators from updating when updating PCB

I have a schematic designed in Altium using a hierarchical approach. In the schematic, I have a few basic blocks that repeat several times. The designators for components in these blocks carry a ...
1
vote
1answer
35 views

Creating Footprints in CAD (Solidworks) for Import into Altium?

I can make "normal" footprints at ease in Altium manually or with the wizard but when it comes to abnormal footprints such as this inductor I have no idea how to go about making it and no ...
0
votes
1answer
36 views

How can I limit design rules check on some components and its connected tracks in Altium?

My design is using an isolator between low voltage and main supply. I'm using a design rule to set clearance beetween planes and tracks with this kind of query: ...
0
votes
2answers
44 views

Straighten schematic connections in Altium

I noticed that the wires in Altium are not straight. Is there a way to ensure that they stay straight?
1
vote
1answer
32 views

Altium surface pad next to throughhole pad design

I'm trying to make a simple board that will use an Arduino Nano 33. These boards allow for being either used as an SMT board or with a standard throughhole header. I'd like to make the board where I ...
1
vote
2answers
47 views

Two parts that share a common footprint - a connector, two two pin connectors that share a four pad footprint but are never populated at the same time

The manufacturer GCT of a two pin connector BG306-02-A-1-0400-L-G offers two different versions. One version has the pads in the upper right and lower left. The other, you guessed it, has the pads in ...
1
vote
1answer
71 views

How to change track width in Altium for already placed tracks

I have a PCB with 8 layers and hundreds of tracks on different layers that already placed and length matched. I have to change again the track width to achieve the 50 Ohm impedance again because we ...
0
votes
0answers
31 views

Altium schematic parameters position

I want to achieve the capacitor symbol like this(sch library file): But when I turn on an autoposiotion function for parameters - which I also need - then parameters lock in position like this (they ...
0
votes
0answers
22 views

Clearance Constraint Routing Problem [Altium]

I have specified a 1.25mm clearance between the three traces in the screenshot below. I have also checked the "exclude pads in the same footprint" box. Basically I can't get anywhere near ...
1
vote
1answer
21 views

Can I automatically create a net class from this Blanket + Parameter? [ALTIUM]

I added this blanket + parameter to my schematic, and now I want to create a net class from all of the nets that lay within the boundaries of the blanket. Do I have to manually add all of the nets, or ...
1
vote
1answer
66 views

How can I make this kind of hole or drill in Altium?

I'm trying to add this component to my design in Altium but I don't understand this kind of "holes" (I suppose it can't be drilled properly.) I can't find any tool in Altium to design this ...
1
vote
1answer
49 views

How to remove floating teardrops after removing the object they were attached to in Altium Designer?

I removed a via and the tracks connected to it after removing the associated net and this left the teardrops in place; impossible to select, and not getting removed with "remove all" in the ...
1
vote
1answer
58 views

Component Dragging Problem - Altium - PCB editor

I'm not new to Altium Designer; I have been actively using it for at least one year and I have a very weird problem. I completed a huge PCB project about 2 months ago. Recently, I realized there was a ...
0
votes
0answers
29 views

Altium Duplicate Components

I am under grad student working with Altium Designer and recently I found a very peculiar problem If any one can help me I shall be thankful As you can see there are two extra copies of SoC which ...
1
vote
0answers
45 views

Altium - Hole to hole clearance rule that only applies when nets are not the same

Our PCB manufacturer specifies that there should be a minimum clearance between holes of 0.5mm when nets are different. I am getting a lot of errors when I have thermal pads with embedded vias closer ...
0
votes
0answers
24 views

Spice syntax in Altium for saving simulation data

I want to save a maximum value from a simulation to a text/csv file (actually whatever that I can parse later). I tried .MEASURE and ...
0
votes
1answer
67 views

Does the impedance profile of flexible PCBs include the adhesive layers?

I'm looking at this page on PCBway and trying to get these values into Altium in order to get the right impedance profile. As I understand, I should use the finished copper thickness to get the right ...
1
vote
0answers
39 views

Schematic symbol color fill with Altium NEXUS

I came across a write-up about using Solder Bridge Jumpers in Altium. However, while attempting to make my own, I was unable to recreate the grey filled semi-circles shown in the authors example: ...
0
votes
1answer
47 views

How can I specify in Altium to leave out the dielectric layer for a portion of the board?

I am trying to replace the dielectic layer in just a portion of the board and instead have that just be more copper. The idea is to essentially allow the PCB to use anything it lays flat on to be a ...
5
votes
1answer
221 views

Should I remove extra unused copper from a power plane in 4 layer PCB?

I am designing 4 layer PCB which has the following stack up structure: Layer 1 (top layer) signal Layer 2 (inner layer 1) power plane Layer 3 (inner layer 2) ground plane Layer 4 (bottom layer) ...
0
votes
1answer
67 views

Why won't "copy room format" in Altium Designer copy component placement?

I have a multi-channel design in Altium Designer which was done specifically to speed up component placement within each generated room on the PCB. After adding some components to the schematic, ...
0
votes
0answers
36 views

How can I select what Gerber file a PCB layer should be added to?

I am trying to make a panelized PCB that can be sent to manufacturing. The panel consists of several different PCBs. I am having trouble with exporting the PCB layers to the correct Gerber file. One ...
1
vote
1answer
81 views

In Altium Designer how do I hide component origin markers and crosshairs in PCB view?

I am trying to clean up the view in PCB, it is cluttered with unnecessary noise, including component origins and these crosshair structures that serve no purpose for me while placing or routing. They ...
0
votes
1answer
80 views

Protel .pcb file won't open in Altium

I have a protel (.pcb) file that I need to open in Altium, but the import wizard says that protel files have the extension .ddb. I don't even know which software the .pcb extension belongs to - how do ...
2
votes
2answers
171 views

Can I edit a PCB in Altium, if I only have the Gerber Files?

I only have the gerber files - am I able to open them in Altium, and somehow generate a .pcbdoc file that I can work with (route signal, pour copper planes, place components, etc.)?
5
votes
2answers
728 views

In PCB track/trace routing, under what situations can acute angles be feasible?

The 15V power wire routing is as the picture below, it has some acute angles. And this is 1.65V wire routing, it even has a 180 degree in the bottom left corner of the picture below. This is a FOC ...
0
votes
1answer
61 views

How to make a circular polygon pour in Altium?

I have a circular PCB for an LED circuit and I want to cover the free space with polygon pour to enable larger current to pass thru the circuit. The Polygon pour option only permits polygon (with ...
0
votes
1answer
41 views

Can Altium PDN Analyser Calculate AC Impedance?

It looks like the new PDN Analyser v2.0 tool in Altium v21 can only calculate "steady-state" DC PDN impedances, which in itself is not that useful: There is no such thing as a steady-state ...
2
votes
2answers
95 views

4 wire resistance measurement

I need to check the resistance of a test point (TP) through a 4 wire system. I know and understand the theory behind it, but how do I put it into an Altium schematic? I have the voltage measurement ...
0
votes
1answer
67 views

Routing a PCB with no Netlist in Altium

I want to route some tracks directly in the PCB file in Altium, So there is still no Netlist available. So what rule/rules should I change to route pads directly, without applying the clearance rule ...
1
vote
2answers
155 views

Why am I getting the error "nets with possible connection problems" on my ground pins in Altium?

Can somebody please explain why I am getting errors on my ground pins when connecting to a GND port? As you can see the pins are defined as POWER type. The error is "Nets with possible ...
0
votes
1answer
56 views

In Altium do trace routes not move along with components?

Do trace route lines not move along with components? For example, I moved the resistor in the image and the traces dont move along with it. I am new to Altium from Eagle and in Eagle when you move a ...
0
votes
0answers
70 views

Pin Swapping Not Available?

I am a bit of an Altium novice. Designing a board and trying to use the "Route Guide" in PCB ActiveRoute. However, when I try to lay out a guide with selected pads and hit ActiveRoute, ...
0
votes
0answers
44 views

Polygon repour clearance rule

I have some trouble editing a project, I had to replace some footprints on a board and thus rebuild polygon planes on top. As you can see on the first picture, after rebuilding the polygon, the shape ...
0
votes
0answers
15 views

How to apply a default style to a schematic sheet in Altium?

Question How can I apply default styling options to pre-created sheets in Altium Designer? Context I configured certain styles as defaults in Altium Designer for use in new schematics. This works well ...
2
votes
2answers
58 views

How to draw detailed assembly outline

How do you draw this detailed mechanical/assembly outline? I saw this at this pdf from Altium https://resources.altium.com/sites/default/files/uberflip_docs/file_1195.pdf
0
votes
0answers
42 views

How to cross differential traces in Altium using the interactive differential pair routing tool?

I am every day more and more baffled by how Altium seems to do everything, but in such counterintuitive ways. My latest struggle was trying for an hour to learn how to use the differential pair ...
0
votes
1answer
38 views

How to make sure Altium routes GND mostly on the bottom layer where there's a polygon pour?

I've tried routing before and after pouring a GND on the bottom layer. I get many GND traces running on the top layer for no apparent reason? Tried without a GND layer, added it after the auto-router -...
0
votes
2answers
84 views

Polygon Pour GND Plane Short Circuit Error Altium

I created a board outline, then wanted to add a polygon pour as a GND plane in the bottom layer of my 2-layer PCB. Altium's design rule checker raises the following error: ...
1
vote
1answer
59 views

Track not locking to same net pad in Altium

I use interactive routing with Altium to route components using Ctrl+W. This normally works well, but I have some castellated holes that are not in the schematic (I created them in the PCB file ...
1
vote
1answer
126 views

European symbols in Altium

Is there a way to change the symbols for the passive components in my Altium schematic to the European style? I only seem to find the North American style of resistors in the components and ...

1
2 3 4 5
26