the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the Earth, etc.

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Ground pours on signal layers?


Are ground pours on signal layers beneficial or problematic?I have heard that long skinny ground are......

asked by joel lastest answer by corley

5 years 1 month 19 days

0

votes

2

answers
2459 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

5 years 2 months 26 days

0

votes

2

answers
2428 views

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

5 years 4 months 26 days

0

votes

16

answers
4541 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

5 years 5 months 25 days

0

votes

4

answers
3554 views

Looking for appropriate forum/mailing list for ES......


Dear Experts,I have been a long time follower of the mailing list and I have thoroughlyenjoyed readi......

asked by alfred1520list

5 years 5 months 24 days

0

votes

0

answers
2243 views

What does an unpowered FPGA output look like on a......


Hello SI-list!Trying to figure out if an unpowered, area array FPGA output is connected to PCB using......

asked by jnieznan lastest answer by tom

5 years 7 months 17 days

0

votes

3

answers
3275 views

Do SERDES interfaces need Power Aware SI channel ......


*Hi Team,*Could anybody let me know the importance of Power Aware simulation in todayHigh Speed appl......

asked by rameshp3note lastest answer by chris.cheng

5 years 7 months 18 days

0

votes

2

answers
2810 views
5 years 7 months 24 days

0

votes

9

answers
3777 views

Modeling interconnects over silicon


Hi All,While I enjoyed reading the hilarious comments in the commodity thread,here is a technical pr......

asked by phillypham

5 years 8 months 15 days

0

votes

0

answers
2277 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 9 months 23 days

0

votes

4

answers
3358 views

Anti Pads in Differential Pairs


Hello Experts,The benefits of antipads in high speed differential pairs signals are known.But I see ......

asked by sergio lastest answer by Chris.Cotton

5 years 10 months 27 days

0

votes

1

answers
2370 views

Job opportunity at Texas Instruments, Inc. (EMC e......


Hi,TI is looking for a qualified candidate to champion and drive thedevelopment of the Low EMI/EMC F......

asked by rmma02

6 years 3 days

0

votes

0

answers
2472 views

AC Decoupling pad design


Hello all,My question has to do with pad design for AC Decoupling caps (but I suppose can be transla......

asked by Charles.Grasso lastest answer by weirsi

6 years 1 month 29 days

0

votes

1

answers
2245 views

tips of using TDR probe


Hi,We're evaluating the performance of our TDR probe to determine if it can be used in VNA measureme......

asked by sherman.chen lastest answer by han.guobing

6 years 3 months 9 days

0

votes

16

answers
2720 views

EMC troubleshooting best done without EMC equipme......


Hi All,Now there is a provocative subject line, but to a large extent true in myexperience.Many eng......

asked by doug

6 years 3 months 28 days

0

votes

0

answers
2563 views

PDN resonance mode excited by high speed signal


Hi experts,I'm trying to simulate the phenomena of PDN resonance mode getting excited by the EM fiel......

asked by sherman.chen lastest answer by istvan.novak

6 years 4 months 3 days

0

votes

2

answers
2573 views

Remove ground plane under connector pads?


Hi,Is it standard practice to remove copper from the ground plane under high-speed connector SMT pad......

asked by andrew lastest answer by Leon.Wu

6 years 4 months 19 days

0

votes

9

answers
3572 views

Trace simulation


I have a fairly basic question about trace simulation. How do you model a trace that is sandwiched b......

asked by bryan lastest answer by bradb

6 years 5 months 1 day

0

votes

2

answers
1900 views

Power planes, ground cutout and guard traces


Hi experts,I'm designing a mixed signal board where the analog part is very criticalso noise and dis......

asked by michele.manotti lastest answer by istvan.novak

6 years 5 months 20 days

0

votes

4

answers
2481 views

On the use of "dots" for copper balance


Hello all,Has anyone analyzed the impact of the addition of copper dots (used to balance the copper ......

asked by Charles.Grasso lastest answer by ferhatyaldiz

6 years 5 months 22 days

0

votes

7

answers
2102 views
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