In printed circuit board design, a via is an electrical connection between two layers. A via typically consists of: Barrel — conductive tube filling the drilled hole Pad — connects each end of

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Routing High-Speed differential signals on top and......


Hi,I plan to design aboard with 10 Gbps (~35 ps rise/fall time) transceiver.TI High-Speed InterfaceL......

asked by MegaOhm lastest answer by Old_School

4 years 3 months 28 days

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votes

1

answers
3899 views

Fields and power flow in differential vias


Hello Everyone,I keep looking at the electromagnetic fields in different interconnects structure - I......

Via

asked by shlepnev

4 years 4 months 9 days

0

votes

0

answers
3139 views

Differential vias localization


Hello Everyone,Yesterday I tried to visualize the "localization" concept for differentialvias with t......

Via

asked by shlepnev

4 years 4 months 15 days

0

votes

0

answers
2974 views

Re: Recommendations on Current Carrying Capacity ......


Let me clarify response 1.I don't report in the article that the bottom trace is cooler than the top......

asked by dbrooks9 lastest answer by Gert.Havermann

4 years 6 months 29 days

0

votes

3

answers
2802 views

Recommendations on Current Carrying Capacity of V......


Hi Experts,I am working on PowerDC simulation of PCB's and would like to understand if there is a ge......

asked by lekannat lastest answer by dbrooks9

4 years 6 months 29 days

0

votes

8

answers
3242 views

any correlation between annular ring suppression ......


Good Morning SI-List!This topic and concern came up in regards to GHz signal routing, but I have not......

asked by JNIEZNAN

4 years 7 months 21 days

0

votes

0

answers
1975 views

28 Gb/s Ground Vias


I have some differential data channels running at 28 Gb/s that are laid out correctly in every way e......

asked by Dennis.Han lastest answer by Gert.Havermann

4 years 7 months 23 days

0

votes

2

answers
2067 views

There are not 2, there are six ... How to specify......


Jeff,If your design is limited to simple through hole vias, then two hole sizes are required - finis......

asked by wkatz

4 years 8 months 10 days

0

votes

0

answers
2116 views

How to specify via hole sizes


One thing that has bothered me forever is the ambiguity in specifying viahole sizes. To my mind, the......

asked by jeff.loyer lastest answer by buenoshun

4 years 8 months 18 days

0

votes

6

answers
3875 views

Creating S parameter model for simulation


Hello Experts,I would like to study the impact of different routing on mounted inductance for decoup......

asked by benoit.goral lastest answer by istvan.novak

4 years 9 months 10 days

0

votes

1

answers
2575 views

What's the purpose of stitching vias which just c......


Hi Guru:I found one interesting thing on Intel 6-layer(S-VCC-S-S-GND-S) CRB about the stitching via.......

asked by Kevin.Hou lastest answer by jeff.loyer

4 years 10 months 14 days

0

votes

7

answers
2408 views

SMA launch optimization


Hi Experts,When I do SMA launch optimization, my SMA has characteristic impedance50ohm, but the trac......

asked by zhangjun5960 lastest answer by scott

5 years 1 month 28 days

0

votes

2

answers
2447 views

de-embedded [S] measurements and IEEE


So how many times have you gotten a measured Touchstone file from a vendor and felt the data was bad......

asked by jim.nadolny

5 years 1 month 22 days

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votes

0

answers
2078 views

pcb mounting and board layout resonances web pres......


Hi All,It's time to do a presentation on electrical resonances in systems thatincludes my substantia......

asked by doug

5 years 2 months 3 days

0

votes

0

answers
1995 views

PCB resonances - layout and mounting


Hi All,It's time to do a presentation on electrical resonances in systems thatincludes my substantia......

asked by doug

5 years 2 months 3 days

0

votes

0

answers
1907 views

Longer SATA tx (host to drive) transfers issue


Hi everyone,I have a new version of a board of ours on which Ihave put Marvells 88sa8052 ATA SATA b......

asked by dp lastest answer by dp

5 years 2 months 5 days

0

votes

1

answers
1903 views

[SI-LIST]: Differential Signal S Parameters


Hi All,I was extracting 4 port S parameters for differential signal on FR4 PCBtrace referenced to gr......

asked by ah.vinod lastest answer by ah.vinod

5 years 2 months 20 days

0

votes

4

answers
3026 views

the impedance of via


Hi Dear experts,For the same size of vias (10mils) and antipads (40mils), When it connectsto 100ohm ......

asked by zhangjun5960 lastest answer by shlepnev

5 years 3 months 1 day

0

votes

2

answers
2130 views

100ohm via model


Hi Experts,I'm designing a 100 ohm via model with 5% tolerance for 15 gbps lane (260mil thick board ......

asked by sureshkumar.ayyavu lastest answer by sureshkumar.ayyavu

5 years 5 months 5 days

0

votes

4

answers
2349 views
5 years 5 months 5 days

0

votes

0

answers
2201 views
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