All Questions
Tagged with pcb-assembly eaglecad
13
questions
0
votes
2
answers
253
views
PCB warping during Reflow
I have design a PCB size about 100x60mm it reflow very nice on the hot plate but If I convert my PCB to a panelization 2x3 quantities size became 200x180, the edges began to lift up due to expansion ...
- 1,139
1
vote
3
answers
149
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Component/Footprint selection in EAGLE for PCB designing
I'm a beginner and I want to build a basic PCB using EAGLE software. I want to only use SMD components but I have few doubts while using EAGLE:
I want to design a PCB schematic by using standard ...
- 99
1
vote
1
answer
78
views
Pick and place file from Excel
Further to the question here
I want to know how the centroid point is calculated in Eagle software?
Above picture shows the coordinates of the 2-pin SMD connector @ (51.7,26.4).
But when I exported ...
2
votes
5
answers
580
views
PCB design and manufacturing: How important is it to select actual vs. generic parts?
PCB newbie here. I'm using Autodesk Fusion 360 to design a PCB that is a modified version of the Arduino Nano IOT 33.
My questions are about selecting parts before sending to the PCB manufacturer:
...
6
votes
1
answer
1k
views
smd orientation for pick and place
I am trying to confirm the right orientation for all the packages I am using in Eagle before sending for pick and place assembly. After reading a bit, I understand that there is no standard from one ...
- 161
8
votes
1
answer
2k
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Centroid of component for pick and place machine using Eagle
Just finished designing a PCB and sent the Gerbers off to my board house (Bittele) and they have requested that I also provide them with a pick and place file.
Using Eagle, I ran mountsmd.ulp and ...
- 1,420
0
votes
3
answers
411
views
Can vias and traces conduct electricity on PCB surface?
I'm currently designing my first PCB, though when I place a microSD reader on the board I get errors in eagle that the area the reader is over is restricted.
I would have thought this would only ...
7
votes
2
answers
556
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Do packages have to be centered in eagle to export valid pick and place data?
I am working on a PCB featuring this SD card connector
http://media.digikey.com/pdf/Data%20Sheets/Amphenol%20PDFs/101-00313.pdf
In the technical drawing, it seems that the origin of the part is the ...
- 231
0
votes
1
answer
732
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Shrinking drill hole size in Eagle
The last time I did a successful PCB, the drill hole size relative to the component pad size is rather huge to the point where when I entered the soldering stage, the component wires were not ...
user116345
1
vote
1
answer
295
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Best way to prototype a TDFN package chip (MAX9814 and MAX9820)?
For my engineering project, we wanted to use the gain control and amplifier available on these two chips, but are finding difficulty with prototyping them as they are so tiny. One of the chips is a 14 ...
4
votes
5
answers
19k
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?
- 1,038
2
votes
2
answers
3k
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How to know which side of the terminal block on pcb drawing
I'm planning to use Seeed's PCBA Prototype, where they request to use their open parts library(if you want them to solder the parts for you).
I came across their screw terminal block(part 3470070P1). ...
- 255
7
votes
3
answers
4k
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Eagle configure autorouter to solder components (except vias) only on bottom layer of double sided PCB
In double sided PCBs it is difficult to solder through hole components like IC bases, headers, etc. in the top layer. Normally the Eagle autorouter places the solder pads on both sides. That is, in a ...
- 171