mulfycrowh
Senior Member
Last Activity: 05-15-2022, 02:22 PM
Joined: 12-31-2016
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I just wanted to show the technique I use to reorder the differential pairs and also to change the polarity (first pair on top).... -
robertferanec Changing the order without changing the layer is quite easy, the true problem comes when you have something to cross....Leave a comment:
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robertferanec Robert, I know that I can change the layer but changing the layers for differential layers is not a good thing.
You maybe have ideas...Leave a comment:
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I have a good example there.
I have highlighted the differential pair.
It would be convenient to change the layers using vias to be able to...Leave a comment:
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About tricky differential pair routing
Hi everyone,
What solution do you implement when the differential pairs you have to route cross each other ?
Thanks for your... -
The stack-up is:
Signal
GND Plane
Signal
Power Plane
Power Plane
Signal
GND Plane
Signal
...Leave a comment:
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About decoupling capacitors on the other side
Hi everyone,
Usually decoupling capacitors are on the same board side than the component for which they are used.
Sometimes for space... -
You can hide the 3D bodies in the 3D view by pressing the L key to enter the View Configuration.
Go to The View Options tab.
Select Off for...Leave a comment:
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What I have done at present time, just for testing purpose, is to define a Differential Pairs Routing for USB2 that applies to a Query where I declare...Leave a comment:
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I thought that creating differential pairs classes was only possible in PCB ?
The purpose is to define USB2, SATA, PCIE Express ... differential...Leave a comment:
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From the PCBLeave a comment:
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I replaced both planes on layers 2 and 7 with Signals.
The issue with the vias is gone.
Thanks a lot !Leave a comment:
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Loss of differential pair classes after Design > Import Changes from ...
Hi everyone,
I made a lot of projects and I didn't understand the loss of my differential pair classes that sometimes occurred.
I finally... -
Repour doesn't helpLeave a comment:
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I have 8 layers.
I noticed something interesting:
When I unchecked both Layers 2 & 7, the via is OK with its solder mask.
The purple...Leave a comment:
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I don't think so.
The solder mask is highlighted on the attached screenshot.
It is 0.102 mm.
What we are speaking about has a diameter...Leave a comment:
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Here attached the 2D and 3D views.
The grid is 0.1 mm.
The diameter of this disk is about 1.4 mm.Leave a comment:
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I think that components designators are important for the prototype phase.
You just received your board and something is wrong but you don't really...Leave a comment:
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About a strange behavior of a polygon pour
Hi everyone,
I have the attached polygon pour NetC1_1.
The purpose is to remove all the gaps on all pads involved on that polygon pour.... -
About through Vias
I defined a preferred through via size/hole size as 0.45 mm/0.2 mm.
I've got a big disk around it.
It is far much bigger than the solder mask....
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