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ground recessing


Hi experts,I approach a case about ground recessing. For eight PCIE lanes, the sixteenAC caps are in......

asked by zhangjun5960 lastest answer by leeritchey

4 years 9 months 25 days

0

votes

16

answers
4034 views

Wiring Harnessing SI Question


HI all --Hoping that list can shed some light on some wire harness related SIquestions at some very,......

asked by movax lastest answer by corley

4 years 10 months 24 days

0

votes

4

answers
3157 views

Clarification on Trace Routing over Plane Splits


Hi all -I have previously spent time in the high-speed realm, routing PCIe,SATA, HT, and many other ......

asked by movax lastest answer by movax

6 years 6 months 3 days

0

votes

4

answers
2569 views

Return current of a trace in stripline


Hi Experts, We discussed a lot regarding path of return current before and this isregarding the pat......

asked by bala89si lastest answer by weirsi

7 years 1 month 27 days

0

votes

16

answers
2101 views

asymmetrical stack-ups


What are the general guidelines regarding implementing asymetricalstack-ups to compensate for a GND-......

asked by trainstopp lastest answer by weirsi

7 years 3 months 12 days

0

votes

2

answers
1741 views

Why return current is directly under the signal t......


Hi,The return current for the high speed part of the signal will take the pathof least inductance. A......

asked by kbmanick lastest answer by weirsi

7 years 5 months 16 days

0

votes

12

answers
1852 views

Re: AW: Re: Reference layers for high speed diff ......


I like to put some more 3D mindset on this in the 2D email. The localization of issue needs to be m......

asked by sen.velmurugan

7 years 8 months 9 days

0

votes

0

answers
1626 views

Routing High Speed over partial GND & partial spl......


Question:Everyone knows the ideal way to reference a high speed signal/diff pair is to have it coupl......

asked by Joseph.Rubinstein lastest answer by shlepnev

7 years 9 months 22 days

0

votes

11

answers
1895 views

effects of stitching vias last attempt- without a......


Hello Experts,I would like to start out by saying thank you all for the wealth ofinformation availab......

asked by Matthew.Severini lastest answer by weirsi

7 years 10 months 6 days

0

votes

9

answers
1926 views

AC Coupling Cap Voids Questions


HI ALLI have a few question in AC coupling capacitors void in high speed routing.It would be helpful......

asked by signal.integrity2 lastest answer by weirsi

8 years 2 months 2 days

0

votes

3

answers
1860 views

Where is the Return Current when signal transitio......


Hi, expertsI have a question that buffled me a long time.Suppose i have a four layers board. L1:TOP ......

asked by emcesd lastest answer by Gert.Havermann

8 years 6 months 9 days

0

votes

14

answers
1809 views

10G Return Path


I have a 10G MDI signal that uses microstrip routing. It starts out onthe Top layer and then transit......

asked by Chris.Cotton lastest answer by jory_mckinley

8 years 9 months 26 days

0

votes

2

answers
1861 views

Estimating Crosstalk


In many books dealing with SI & PCB?s, (Brooks, Johnson&Graham, Khandpur,..) there is a simple equat......

asked by markfilipov81 lastest answer by dbrooks9

8 years 9 months 5 days

0

votes

14

answers
1860 views

Reference planes for ethernet signals


Hi,We are working on a setup where gigabit ethernet links are managed by daughtercards plugged in a ......

asked by jhasson lastest answer by jhasson

9 years 6 months 11 days

0

votes

2

answers
1845 views

backplane PDN/EMC challenges


Hi All ,we are challenging how to provide power/return to cards connected tobackplaneand how to deal......

asked by qantrix lastest answer by weirsi

9 years 7 months 20 days

0

votes

7

answers
1783 views

PCB trace routing over wide VSS plane


Hi AllI have a very basic question. Why signal trace is routed over wide VSSplane?while return curre......

asked by skgupta2005 lastest answer by weirsi

9 years 7 months 24 days

0

votes

2

answers
1648 views
9 years 8 months 27 days

0

votes

0

answers
1618 views
9 years 8 months 27 days

0

votes

0

answers
1798 views

analog and digital partitioning


hi all,I am struggling with some partitioning decisions, maybe you can help.This card has an analog ......

asked by gglick lastest answer by HUBING

10 years 3 months 27 days

0

votes

1

answers
1485 views
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