the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, etc.

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How to create a "fuse" in a PCB?


Can anyone share their experience(s) with designs that have failed due toexcessive heat caused by ex......

asked by jeff.loyer lastest answer by jrbarnes

4 years 6 months 10 days

0

votes

6

answers
2968 views

Re: si-list Digest V16 #24


A few things to recognize, folksFirst, ANYONE can build an averaged model which is state space plane......

asked by Steve lastest answer by Steve

4 years 7 months 24 days

0

votes

3

answers
3224 views

Characterizing PCB Impedance in Coplanar Structur......


Hi Folks,Hopefully this is an easy one for someone out there, but I need some insight. I'm using a 2......

asked by brian.p.moran lastest answer by leeritchey

4 years 9 months 2 days

0

votes

5

answers
2566 views

Controlled impedance substrate design


Hello All SI expertsi'm designing 2 layer chip substrate ( not board) that should havedifferential 1......

asked by qantrix

4 years 9 months 4 days

0

votes

0

answers
1997 views

Exciting Openings for High Speed Applications Eng......


Hello All,We have several openings in Altera - San Jose for High Speed Applications Engineers.Intere......

asked by mdun

4 years 9 months 4 days

0

votes

0

answers
2011 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 9 months 5 days

0

votes

7

answers
2295 views

Ref. for CSDF?


Hi all,Does anyone have a reference for CSDF (Common Simulation Data Format) files and/or know of a ......

asked by DBanas lastest answer by Joseph.Schachner

4 years 9 months 18 days

0

votes

2

answers
2137 views

Varying the Reference Impedance of S21


I have a S21 based on 50 Ohm reference impedance. Does anyone know how to transform the S21 with ref......

asked by dmarc-noreply-outsider lastest answer by DBanas

4 years 11 months 7 days

0

votes

2

answers
2079 views
4 years 11 months 12 days

0

votes

9

answers
3278 views

10G SERDES issue


Hi All,We have 10G SERDES channel between ASIC(MAC switch) and phy and there is noissues if we initi......

asked by balaseven lastest answer by alan.hiltonnickel

4 years 11 months 14 days

0

votes

2

answers
2066 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 3 days

0

votes

0

answers
1893 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 1 month 10 days

0

votes

4

answers
2951 views

use different reference impedance for different p......


Hello, all,In Matlab the renomalization normally changes the reference impedance of all ports to one......

asked by sherman.chen

5 years 2 months 11 days

0

votes

0

answers
1717 views

Reg:Overshoot and undershoot levels for 100mbps M......


Hi Team,In our design i am using One Ethernet PHY supporting 10/100 Mbps speed.I amcarrying out Sign......

asked by gkravi.1988 lastest answer by rajivra20

5 years 2 months 13 days

0

votes

3

answers
2159 views

Job Ref required... (Low Priority)


Hi, Can some one provide me reference for below opening.Job id: E1935406Job Title: Package Design......

asked by dmarc-noreply

5 years 2 months 14 days

0

votes

0

answers
1557 views

flex PCB and impedance


Hello experts.I just came across an issue I'm trying to understand.The problem: controlling the impe......

asked by pietrov

5 years 3 months 7 days

0

votes

0

answers
1785 views

Reference planes contuniety and margininality


Hi folks,I think everyone is familiar with importance of reference part continuity and sufficient ma......

asked by ifridman lastest answer by chase

5 years 5 months 27 days

0

votes

4

answers
2008 views

Modeling series capacitor in IBIS model.


Hello Experts,I am generating IBIS model of one device that has series capacitor betweenbump and bal......

asked by all.si.list

5 years 5 months 22 days

0

votes

0

answers
1798 views

USB 3.0 Even Mode Impedance


Hello - The USB 3.0 spec does not appear to define the even mode impedance.Can some one point me to ......

asked by Charles.Grasso lastest answer by dmarc-noreply

5 years 7 months 28 days

0

votes

1

answers
1709 views

Question on USB 2.0


Dear techies,I have a question on USb 2.0. We have one of our custom SoC having USBTransceiver funct......

asked by chundis lastest answer by vijaychachra

5 years 7 months 10 days

0

votes

2

answers
2144 views
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