Questions tagged [eagle]

EAGLE is a low-cost PCB design software package.

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2answers
1k views

Eagle: supply pin vcc overwritten with more than one signal

in some words, my circuit is feeded from battery (VBATT). The VBATT is taken with a voltage divider for read voltage by Atmega, and is routed into a voltage regulator (from 0.8/3.2 to 3.3) VREG. All ...
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4answers
3k views

High DPI (4K) And EAGLE CAD

Anyone know how to make UI text and objects display larger in EAGLE CAD. I just got a laptop with a 4K display and it looks beautiful but the text in some programs is microscopic
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3answers
558 views

Unable to change package footprint solder pad size in eagle

as the image shows, I want to change the BGA soldering dots from current size to something larger. Only size changes, or shall we say diameter changes, no shape or anything, but I couldn't. I clicked ...
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4answers
9k views

How do I get an Excellon Drill file with 2.4 precision and trailing zero suppression out of EAGLE?

I'm trying to output CAM data from EAGLE 6.2.0 to get some PCBs made at Advanced Circuits. Their preferred NC drill format (particularly the one used by their online FreeDFM tool) is Excellon ...
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2answers
16k views

Enabling extra routing layers in Eagle (paid version) PCB design

I started a PCB design in the freeware version of Eagle, now I have the full version, but it won't let me route tracks to the extra route layers (i.e: only top and bottom). Starting a new design in ...
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6answers
2k views

EAGLE Square hole

I want to make a square hole in the middle of my PCB, but when I choose to make a drill or hole is only a circle! Isn't there a option or a ULP file that allow me to do a square hole? I can't find ...
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2answers
267 views

Snowmanning in Eagle?

I'm trying to snowman some BGA pads in eagle but not coming across any real way to do it. Theres the teardrop.ulp but for whatever reason it doesn't add any teardrops to my pads. Is there an easier ...
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1answer
142 views

Need Help Understanding Eagle Ground Plane

I am creating a pcb board on eagle for a Texas Instruments boost converter and I am experimenting with the polygon feature. Through research on the web I have leaned how to create a ground plane ...
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3answers
1k views

Implementing a good connection for pogo pins in eagle

I'm currently working on my very first SMT PCB, and would like to connect a number of PCBs to the main PCB using spring loaded pogo pins like these: http://uk.farnell.com/harwin/p19-2221/probe-convex-...
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4answers
523 views

Creating an Assembly Drawing for Fabrication Houses

I have a design for a PCB that I have been thinking about producing. One thing that I have found is that I need is something called an assembly drawing. So far, all I have been able to come up with is ...
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1answer
149 views

Why did this “backwards” power jack pass ERC in EAGLE?

As will become obvious, I am new to Eagle and PCB layout. I set out a simple design, starting with a power jack. The power jack seems to clearly have a "+" terminal labelled, so I connected that to ...
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5answers
16k views

Eagle - export pick & place file

How do I export/generate an pick & place file for my board in CadSoft Eagle? Is there a standard (like gerber) for pick & place machine files?
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3answers
3k views

Eagle PCB pad vs SMD

What is the difference between SMD and pad in Eagle? Can I use both to solder? I am trying to make a PCB for my LEDs and I don't know I have to use SMD or pad.
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1answer
568 views

How to wire up a BNC Connector in Eagle

Good day! I am in the process of adding some right angle bnc female connectors onto my PCB but I have no idea how to decipher the schematic file and have no idea which pins connect with what. The BNC ...
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1answer
44 views

Eagle ground consistency

I am designing a two side PCB in eagle. I have placed top and bottom ground pour. After using the autorouter, the ground islands have very little connection to each other, and there are completely ...
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0answers
474 views

How to remove an unused net class that eagle thinks is in use

I'm currently doing a very complex circuit board in eagle. Currently I defined 7 classes of which 6 I am using. the seventh I want to delete since I no longer need it. First I tried the command "...
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0answers
27 views

Modifing Ground plane in eagle PC [duplicate]

Once I establish a ground plane in Eagle PC, how can I relieve it(remove spots locally) such as under smd caps in a filter circuit to avoid impedance change. Andy-KM4TRT
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0answers
45 views

Why are my traces in eagle highlighted after I moved a component?

Good day, I am currently working on a PCB in Autodesk Eagle and was almost done routing when I had to move a component and now I have all these traces that are highlighted with lines and I don't know ...
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1answer
91 views

How to set the width of all the traces together to the desired value before using autoroute option in Autodesk Eagle?

How to set the width of all the traces together to the desired value before using autoroute option in Autodesk Eagle? every time I use autoroute, the trace width is by default set to 0.0154mm. I have ...
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3answers
255 views

How can I align the PCB and the polygon?

As you can probably tell, I'm new to PCB design and recently did a design of a DIY circuit. Everything looks acceptable (to me), however for some reason I cannot align the PCB edges to the polygon ...
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2answers
723 views

How to copy attributes between package variants in eagle library editor

I have entered a set of attributes into a eagle library. However I started to enter the data after having drawn all package variantes. The package variants are only different pad layouts I use for ...
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3answers
937 views

Understanding layers in Eagle schematic window?

Eagle schematic editor is having the following default layers: ...
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7answers
28k views

Which PCB software has the best autorouter? [closed]

I know that lots of people out there feel that autoroute results are not useable. I find that the autorouter is a good way to get a good placement. I use eagle. I do a basic placement, autoroute ...
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2answers
1k views

Large via vs several small vias for large current

I'm currently routing a board and need to supply 12A between a current sensing IC and an ESC. Due to size constraints I cannot have both the decoupling capacitor and IC on the same side of the board. ...
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2answers
2k views

How to properly define BGA footprint in Eagle?

This question is somewhat relevant to this one. However I am sure it well deserves to be separate. I created a custom device/symbol/footprint for an ARM MCU. However I am doubtful whether I created a ...
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1answer
662 views

How to split custom device symbol into separate parts in Eagle (within a single footprint)

So I am working on a complex design that includes a BGA device with rather large number of pads that are grouped by functions (an ARM MCU and groups are MDIO, MMC, SERDES etc). This is my first ...
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5answers
1k views

In this schematic how are the caps such as C5, C6, and C9 connected? They are just going between my power source and ground?

I was told C6 is a bypass for the oscillator(X1). Now I have been building this circuit and I understand that in Eagle grounds are connected automatically and so are voltage sources without having to ...
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1answer
270 views

Eagle Ground Pour Fills Drill Hole

I use Eagle to design my own home etched (typically through hole) PCBs. On this particular board I use a ground fill and I've removed the thermals on the grounded pins because (funnily enough) I find ...
17
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7answers
4k views

My PCB manufacturer only requires eagle board file, and not a gerber file is it fine to go about getting the board fabricated with him? [closed]

It's my first time getting a PCB manufactured. My manufacturer only requires eagle board file, but not a Gerber file. Is it fine to go about getting the board fabricated with them? Or should I be ...
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2answers
111 views

why are there unused vias in eagle design

I have this design I grabbed online, and when I load it up in eagle and run a DRC, it gives me a bunch of airwire errors on vias that appear to serve no function. Are they just ones the designer left ...
4
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1answer
3k views

How to import PCB outline into Eagle [closed]

I am designing a PCB in Eagle, however my PCB has a bit of a complicated shape which I can not design directly in Eagle. I want to design it in a simple CAD software and would then like to import it ...
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2answers
118 views

stop mask error remains after deleting offending text in eagle

I ran the DRC for dirty pcbs, and it's giving me these stop mask errors for values assigned. In this particular example, It's D1 with a 4148 label. In the first image, you can see the 4148 value ...
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1answer
1k views

eagle library--updated footprint wont show in board

I initially created a part in an eagle library, but now I need to change the package layout. I have already put the initial part in an eagle schematic, so removing/re-inserting it is not an option. So ...
12
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4answers
36k views

How to easily find or create parts for Eagle schematic/board layout

For Eagle CAD software, during schematic or board layout, how can I search for parts/footprints already created by other people out there, to make my life easier? And if I'm still unable to find what ...
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1answer
72 views

Question regarding dimension when creating an EAGLE Footprint

Hi so i was trying to create a footprint based on this dimension. But i'm not quite sure what these two numbers mean exactly? Are they MAX/MIN? Which one should i use? Thank you!
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1answer
476 views

Rotating a group individually in EAGLE

I've made a huge mistake when trying to create a 400-Pin LGA in EAGLE. I've right clicked when mindlessly placing pads and now they're all rotated by 90 degrees. My OCD demmands that I set the ...
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1answer
83 views

Eagle create library remove “direction” in symbol

I am making a library in eagle, and I am currently working on the symbol. I made pins, but they all show a small "direction": which shows up in little green lettering next to the pin, like this: I ...
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2answers
3k views

Eagle PCB design Libraries?

I am doing my first Eagle PCB design. It's been going smoothly so far, however, I just hit a road bump. I am using a TC1269 Regulator, but cannot find the CAD library for it. I have looked into ...
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3answers
1k views

Is it okay to use wider trace than actually required while designing a PCB?

I used eagle to recently, design a board with all trace widths 30 mills except a few as 20 mills. I actually didn't require traces this wide and 15 mills would probably have been enough. Does this ...
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2answers
2k views

Is low pass filter more commonly used than high pass filter?

I have heard my teacher saying** that low pass filter is more commonly used than high pass filter because in high pass filter, frequency increases with gain and thus noise also increases and thus it ...
2
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3answers
3k views

Eagle: Connect polygons / ground planes

How can I connect polygons 1 and 2 together? It tried to make a trace + vias between them, but Eagle won't let me create a trace on a polygon.
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1answer
146 views

USB Communication Failure [closed]

I have built two custom Ardunio Micro's. One works perfectly, while the other will not connect via USB. After much testing, I have figured out that it seems to be a poorly routed PCB on my part (I ...
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0answers
118 views

Schematic review of power supply

Would you be so kind to point out any errors in this schematic or anything else to improve (layout and clarity also greatly appreciated). This is supposed to be the power/regulating/batterycutoff ...
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1answer
98 views

EAGLE Reference Layer

The EAGLE docs says the Reference layer (#49) is for "reference marks". Is this referring to mechanical data for automated assembly such as fiducials and component outlines? Or is it something else ...
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1answer
138 views

I want to design a spacer pcb with no copper on either side

I want to design a 2.5" x 0.7" spacer pcb in the free version of Eagle, with no copper or components on either side with four (unplated) 0.116" diameter holes. Eagle won't generate a board if the ...
1
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1answer
259 views

How to make a non-conductive filled via in EAGLE PCB

How do I make a via that is filled with a non-conductive material in EAGLE PCB?
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2answers
367 views

How to add identical pad names to a package

In a schematic you can you use the @ notation to specify multiple pins with identical names for example GND@2. This doesn't seem to work in a package/board. For example an arduino board PCB has ...
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2answers
1k views

Creating a custom library part in EagleCAD and avoiding DRC Errors

I made a custom footprint for an SMD connector I'm using. I wanted to build vias into the footprint for each pad and to connect a trace from each pad to its via. The reason I want to do this is so ...
5
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2answers
2k views

EAGLE: how to find where the pin is connected - navigating fairly large schematics

I have a fairly large schematic loaded in EAGLE (netlist file is ~2500 lines long) and I want to find out where exactly some pin is connected, given chip name and pin name. What I'm trying to do: I ...
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1answer
303 views

Eagle PCB design how to make flat pins for the power socket

All the Eagle libraries I have found have round small holes (like for the THT resistors or capacitors). But most of the available ones have flat pins (like this one): My question is: How to create ...