Questions tagged [polygon]
The polygon tag has no usage guidance.
45
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Trace widths and current capability Altium
I was working on a PCB where there was a single DC input with two traces +ve and -ve. At one end there was a connection to a motor which requires 40A. The traces of the DC input were 100mil and 1oz. ...
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How can I set a clearance in my polygons? Because there is an error of short circuit between poly of GND or 5V and my vias
I tried to solve these errors using blind and buried vias, but the errors persist. I want when I repour the poly, it creates a clearance between the vias and poly. Or another solutions for the error. ...
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41
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Altium hatched polygon not covering whole PCB on one layer
I have a two layer PCB on which I want to use hatched polygons on top and bottom layers. For some reason the hatched GND polygon on the bottom layer is not covering the whole layer.
PCB Layout
Bottom ...
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1
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29
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Polygon covers some part of the footprint
I am using Eagle for PCB and can't solve this issue. Polygon gets inside the footprint. I tried changing isolate and width parameters but the larger the distance or width, the more airwire errors pop ...
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42
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Altium rules for autoconnecting a polygon to LQFP like pins
The image shows that the GND pins are not connected to pins near pads with no similar net around them. What I am looking for is defining or changing rules so that Altium would be able to do so on ...
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1
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520
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When and why is it important to route with polygons vs. traces?
I'm (still) a relative beginner in PCB layout. I'm trying to understand in what scenarios it's important to route with polygon areas instead of traces, and in those scenarios, just how important it ...
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63
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Polygon covering footprints [closed]
I am new at designing, when I pouring copper in the polygon, it covers the footpring:
BTW, there is any option to edit footprint from the web?
At the picture above there isnt "Top overlay" ...
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1
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130
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Eagle PCB Polygon GND width
I am trying to convert 24V to 3.3V for my PCB design. 2 loads using 24V 3A, so I am using 60 Width (53.8 enough in this trace-width-calculator ). I am using GND polygon for 2 layer (My PCB has 2 layer)...
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2
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1k
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Altium - Polygon pour into a cutout
I'm using Altium Designer 22 to design a PCB. On the top layer I have a ground plane with a hole in the middle. I made the hole by using a polygon cutout. Now, I have to pour into this cutout region ...
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72
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Eagle I can not change the isolete value of bottom Ground polygon
well this is my PCB design with Eagle Autodesk. Ground polygon looks perfect with Isolate value 0.8128 [mm] on Top.
but this value can not effect bottom polygon Why? How can apply 0.8128 isolate ...
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502
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Power and ground plane layer
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. How can I enable the placed polygon ...
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257
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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 ...
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172
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Why does Altium's autoroute short circuit polygons
Novice here. I would like autoroute to handle routing all my connections, but it seems to violate the polygons that I have placed before routing.
I can't seem to find any rules that may/may not cause ...
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2
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407
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Polygon pour on internal signal layer ALTIUM
I am working on a six layer PCB, the layers are Top layer, layer 1...layer4, Bottom layer. I am trying to create a polygon pour on any internal layers (for example layer 1). However when I try to pour ...
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170
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Polygon Pour not working in inner layer Altium
When i try to pour plygon in my inner layer the outline of the polygonis only visible .
Can somebody help me to solve this
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774
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Altium: Polygon-Specific Rules
I am making a PCB where I want to have some polygons directly connect to all the components within them, and some to only relief connect. Normally this isn't an issue as I can just set up some design ...
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2
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Flooding GND plane in the top side has any problems?
Hope Everyone is doing well.
I got confused in the grounding of PCB.
I checked many open hardware boards I noticed they don't flood GND plane in the top side to connect SMD components( all components ...
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2
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267
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Why is my Altium gerber file merging component borders with a polygon pour?
I have a pcb design which has two layers with two star ground polygon pours respectively, and all the components are throughhole. When I generate gerber files however, on both layers the border of the ...
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Altium Polygon Pour gap - minimum feature clearance rule?
Didn't find anyone covering this.
On this image I'm showing a GND Polygon pour artifact that I cannot seem Altium to detect that gap is too narrow.
Polygons are:
Remove Islands less than 0.2 sq.mms ...
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176
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Polygon pour in polygon cutout?
I'm designing a 4 layer board in Altium Designer 20.0.1 with an STM32F103RBT6 and am doing the 8MHz and 32kHz crystal layouts. According to the recommended layout each crystal is supposed to have a ...
9
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3
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11k
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What is the purpose of this polygon arrays on PCB?
I'm interested what is the purpose these polygon array on below picture.
Thermal management?
Thanks for the help!
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3
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1k
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Advice for 90 Ohm traces of a USB 2.0 HUB
I am designing a USB-hub that has many USB traces. I followed some guidelines online and read forums. Based on my understanding of a 4-layer stack-up, one of the best set-up I chose is 8 mil trace ...
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627
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How to fill pad with polygon pour
How can I fill the complete pad with polygon pour ? (I dont know the correct question in english)
I am using Altium Designer 17
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2
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220
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When making power polygon , making polygon on the smd-pad has any problems?
I'm now making 4 layer PCB
and my PCB has one Power plane (L3) and one GND plane (L2).
Now I just make a connection with inner layer (L3) with Top plane(L1).
At this point, I'm curious that what is ...
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2
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624
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Altium polygon doesn't pour to vias of same net
I am using Altium 17 and try to make a GND pour. On the GND polygon I want to place some vias to GND polygon. But it doesn't connect GND polygon and GND vias. They belong to exactly same net, GND.
I ...
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252
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Is this polygon pour, how much current can it carry?
On my attached picture, I draw battery pins, (red square) component that want to current, (blue square, a component want to about 4-6 ampere) and way of current (black line).
I have a some questions. ...
2
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1
answer
216
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Polygon Strategy
I'm working at a project. Pcb of this project has four layers. And I'm wondering about polygon strategies.
Me and my team decided to split polygons. For example at top layer, half side of top layer ...
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2
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3k
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How to do a cut in the middle of the polygon on Altium Designer 19?
I'm wondering how to do a cut in the middle of the polygon using the Altium. It seems it has the tools just for making the cutouts and splitting the planes, but not making the cuttlines in the middle ...
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144
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Unlock movement/edit of internal polygon layers in altium 19?
I changed an internal plane to a signal layer and now I want to be able to move objects in this layers like polygon, however I seem to be unable to do so.
How can I unlock polygon move/edit in this ...
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1
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2k
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How do I change and select which Polygon thermal relief Altium Designer 19 shall use?
How can I make a polygon in a Signal layer in Altium Desginer 19, to change its copper thermal relief?
I've created a rule for it, or so I think.
But I have not been able to find where I select ...
3
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2
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2k
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Ground Plane on Top and Bottom layers in 4-layer PCBs
Is it a good idea to fill free space on Top and Bottom layers in a multilayer (4-layer or more) PCB?
I usually use external layers for signal routing and internal layers for power supplies and ground....
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1
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671
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Hexagonal hatched polygons Altium
I'm recently trying to design a flex PCB. I haven't been able to find any specific tutorials on how to do this in Altium. But I did find Altium blogs detailing some of the best design practices for ...
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2
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1k
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Using polygon pours for small signals in PCB design
I'm trying to improve my PCB routing skills. When I started out a few years back, I just layed out the components and ran tracks with a fixed width between them. I didn't even know about polygon pours....
2
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2
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751
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How do I remove unnecessary fills in an EAGLE polygon?
There are a lot of resistors and diodes on the board, where the polygon passes like this. How can I get rid of it?
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625
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Altium 17 hatched polygon problem
I'm currently designing a PCB and I need to use hatched polygons in order to get my PCB produced (my manufacturer accepts only hatched polygons). The problem is the following: in only one of the ...
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2
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833
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Altium Polygon pour
I am designing a PCB in Altium. I finished my routing and proceeded to Polygon pour for Gnd plane. I was surprised to find the pour in between my 0805 caps pads as well. Although, I don't have a top ...
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EAGLE - how to make ground planes to connect to the smaller PADS
I cant fid how to configure the GND polygon to connect to smaller IC pads:
EDIT
Following the @Dave Tweed answer the result is exactly as I need:
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How To Hide The Outline of The Polygon in Altium
I have copied a polygon pour from one PCB to another, but I cannot seem to hide the outline on the new board. Anyone know how to do this? Comparison below:
New Board:
Previous:
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2k
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Change space between Routs and copper pours in Altium PCB designer
How Can I change the distance between Polygon pours and routs in Altium PCB designer?
Update 1:
Actually I'm newbie on Altium so posted the PCB with default clearance value (0.245 mm) and larger ...
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1
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527
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Altium. Can't apply a rule of plane connect to Polygon
Problem with Altium Designer!
I'm trying to use Plane Connect to Polygon with four conductors, but in existing PCB it dosen't work. (in new projects it working)
What could be wrong?
My actions: 1) ...
2
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1
answer
356
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Altium: Remove small sliver openings in hatched pour
One of Altium's polygon pour modes is a hatched version, which allows the user to specify an individual track width and a grid size and it automatically generates a pour in a cross-hatch pattern. It ...
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743
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EAGLE restrict area isolation [duplicate]
Hi,
in my circuit I made ground plane and inside of it I need clear area without copper for anthena. So I have created polygon in tRestrict layer and used Ratsnest for reconection. It worked, but not ...
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1
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2k
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Altium Designer PCB project Ground fill polygon cant connect to one of same net component pad
I'm finishing one of my pcb layout, in this case is a multilayer one.
the trouble is that design rule checker find me 5 unconnected GND pads but the trouble is that this pads are close to a copper ...
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3
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14k
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Altium Designer: Polygon does not connect to the pads on the same Net
I'm trying to put a plane shield using polygon pour and I realized that some object is not connected to my polygon.
In the picture below it is clearly seen that the GND through hole is not connected ...
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1
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312
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Altium designer polygons
I'm trying to make a small trimming in polygon pour in Altium Designer.
I upload a photo.
How can I cut these edges and make it more flat?