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 8 months 19 days

0

votes

6

answers
3189 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 9 months 3 days

0

votes

3

answers
3399 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 11 months 12 days

0

votes

5

answers
2732 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 11 months 13 days

0

votes

0

answers
2132 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 11 months 14 days

0

votes

0

answers
2147 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 11 months 14 days

0

votes

7

answers
2487 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

5 years 28 days

0

votes

2

answers
2294 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

5 years 1 month 17 days

0

votes

2

answers
2218 views
5 years 1 month 21 days

0

votes

9

answers
3440 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

5 years 1 month 24 days

0

votes

2

answers
2184 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 2 months 12 days

0

votes

0

answers
2023 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 3 months 20 days

0

votes

4

answers
3086 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 4 months 20 days

0

votes

0

answers
1839 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 4 months 23 days

0

votes

3

answers
2293 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 4 months 24 days

0

votes

0

answers
1665 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 5 months 17 days

0

votes

0

answers
1892 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 7 months 6 days

0

votes

4

answers
2136 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 8 months 2 days

0

votes

0

answers
1910 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 9 months 8 days

0

votes

1

answers
1824 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 9 months 19 days

0

votes

2

answers
2280 views
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