A discontinuity is a change of characteristic impedance in the transmission line. it results in part of the incident wave being reflected,

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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 1 month 14 days

0

votes

0

answers
1972 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 2 months 22 days

0

votes

4

answers
3033 views

reference plane cutout under DC blocking capacito......


Hi all, I believe reference plane cutouts under the DC blocking capacitor padsfor high speed signa......

asked by bala89si lastest answer by weirsi

6 years 10 months 10 days

0

votes

13

answers
2590 views

Signals crossing power plane splits


Hi all, We might have discussed about this subject here, but, I would like to getmore perspective o......

asked by bala89si lastest answer by weirsi

6 years 10 months 15 days

0

votes

1

answers
1942 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

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votes

11

answers
1895 views

More discussion on AC coupling capacitor


Hi, ExpertsIn the last thread,Michael said "Placing them at the RX side generally helps to minimize ......

asked by emcesd lastest answer by Gert.Havermann

8 years 11 days

0

votes

5

answers
2038 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

PCB Gnd discontinuity on simulation software


Content-Type: text/plain; charset=ISO-8859-15; format=flowedContent-Transfer-Encoding: 7bitHi all, i......

asked by Ettore.Ruscino lastest answer by weirsi

8 years 7 months 14 days

0

votes

8

answers
2067 views

Re: strange behavior... resent after server error


Scott,the differential delay of the + and ? branch of my differential pair is 16ps when I feed + wit......

asked by Gert.Havermann lastest answer by Gert.Havermann

8 years 8 months 28 days

0

votes

3

answers
2312 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

Why discontinuity must be far away Wave Port exci......


Hi, expertsIn an application note of Ansoft hfss, it said geometrical discontinuity must be far away......

asked by emcesd lastest answer by Ken.Cantrell

9 years 1 month

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votes

6

answers
1846 views

Use of non specific connectors for ethernet 10/10......


Hi,I am currently working on a project involving a 10/100 BASE TX link. It is intended to route this......

asked by jfhasson

9 years 1 month 10 days

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votes

0

answers
2163 views

EE UCLA Continuing Education April 2011


UCLA Extension - Essential Steps for Signal Integrity: High-Speed Digital Design and PCB Layout Sem......

asked by Americomrh

9 years 7 months 14 days

0

votes

0

answers
1600 views

Discontinuity Location and S-Parameters


Gurus,I am trying to simulate a multiple channel serdes link, spanning across aswitch cards, backpla......

asked by avtaarenator lastest answer by wolfgang.maichen

9 years 9 months 24 days

0

votes

1

answers
1711 views

Fw: Anritsu PPG output glitches


Hello SI gurus,I was on si-list years ago when I was doing some optical line card hardware design. ......

asked by hwg434 lastest answer by Martin.Murphy

10 years 5 months 26 days

0

votes

1

answers
1399 views

AC cap placement on Clocks


Hi All,I have a situation like this:LVDS Driver, ac cap, LVDS receiver (internal term) 156MHz clock.......

asked by cygnul lastest answer by Gert.Havermann

10 years 11 months

0

votes

6

answers
1698 views

Has any observed negative feedback on the input p......


In your travels have you seen this one?We have observed a non-monotonic perturbation on the BREFCLK ......

asked by steven.salkow lastest answer by weirsi

11 years 11 days

0

votes

4

answers
1467 views

effect of common choke on high speed differential......


We have been using common mode chokes on USB and DVI interfaces.We don't know if we need them or wha......

asked by joel lastest answer by joel

11 years 1 month 17 days

0

votes

1

answers
1093 views

Length of an Impedance Discontinuity in order for......


Hello,I am trying to decide if a 2" long impedance discontinuity in a coax cable will noticeably dis......

asked by otter30 lastest answer by tom

11 years 2 months 7 days

0

votes

12

answers
1175 views
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