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 12 months 24 days

0

votes

6

answers
3387 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

5 years 8 days

0

votes

3

answers
3560 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

5 years 2 months 16 days

0

votes

5

answers
2911 views

Controlled impedance substrate design


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

asked by qantrix

5 years 2 months 18 days

0

votes

0

answers
2265 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

5 years 2 months 18 days

0

votes

0

answers
2296 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

5 years 2 months 19 days

0

votes

7

answers
2663 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 3 months 2 days

0

votes

2

answers
2449 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 4 months 21 days

0

votes

2

answers
2343 views
5 years 5 months 26 days

0

votes

9

answers
3616 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 5 months 28 days

0

votes

2

answers
2320 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 5 months 16 days

0

votes

0

answers
2164 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 6 months 24 days

0

votes

4

answers
3242 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 8 months 25 days

0

votes

0

answers
1954 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 8 months 27 days

0

votes

3

answers
2448 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 8 months 28 days

0

votes

0

answers
1797 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 8 months 21 days

0

votes

0

answers
2033 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 10 months 11 days

0

votes

4

answers
2271 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 11 months 6 days

0

votes

0

answers
2033 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

6 years 12 days

0

votes

1

answers
1951 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

6 years 24 days

0

votes

2

answers
2417 views
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