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5 years 2 months 28 days

0

votes

7

answers
2756 views

SMA launch optimization


Hi Experts,When I do SMA launch optimization, my SMA has characteristic impedance50ohm, but the trac......

asked by zhangjun5960 lastest answer by scott

5 years 3 months 2 days

0

votes

2

answers
2563 views

characteristic impedance of the waveport


Hi friends,I have a question about port settig in HFSS. For the PTH vias onmotherboard for connector......

asked by zhangjun5960

5 years 8 months 21 days

0

votes

0

answers
2205 views

impedance determination of a perticular interface......


Hi,I have seen specifying routing impedance of interfaces from Manufacturerslike forUSB Differential......

asked by malli.1729 lastest answer by colin_warwick

6 years 2 months 9 days

0

votes

3

answers
2665 views

Compute plane cutout distance


Hi All,I can simulate and observe how far the reference plane should be from Accoupling capacitorâ??......

asked by balaseven

6 years 4 months 21 days

0

votes

0

answers
2255 views

Can I help?


Hello to the SI list.I am new to this list but not new to problems of board design. I have read m......

asked by ralphmorrisonee lastest answer by olaney

7 years 1 month

0

votes

3

answers
2545 views

Questions on PDN Application of Ferrite Beads


Hi,I'm Michele Manotti, a student of Politecnico di Milano from Italy. I'mdoing an academic research......

asked by michele.manotti lastest answer by weirsi

7 years 2 months 21 days

0

votes

1

answers
2536 views

Effect of shielding on characteristic Impedance


Hi,Can anyone explain how a nearby quiet trace can effect the trace impedance in stripline. I want t......

asked by Naresh.Dhamija lastest answer by Gert.Havermann

7 years 4 months 23 days

0

votes

1

answers
2365 views

how far/fast can M27500 S(T?)P cable be pushed to......


Hello SI-Listers,Has anyone measured, tested, characterized or had success with M27500 S(T?)P cable ......

asked by john.nieznanski

7 years 9 months 27 days

0

votes

0

answers
2345 views

Impedance Matching via Gradual Trace Width Change......


I was contemplating a low impedance signal driving a high impedance input and wondered if this might......

asked by gnuarm.2006 lastest answer by olaney

8 years 5 months 27 days

0

votes

3

answers
2543 views

ZERO is tricksy -- Re: Re: characteristic impedan......


On 4/9/2012 9:15 PM, steve weir wrote:> Zero is still nothing,OK, I feel I must comment on this.Evey......

asked by kevin.g.rhoads

8 years 7 months

0

votes

0

answers
2354 views

characteristic impedance at DC


Hi,What is the characteristic impedance of a transmission line at DC? If youare saying Z0=sqrt(Rdc/G......

asked by haaeri lastest answer by haaeri

8 years 7 months 1 day

0

votes

30

answers
21514 views

R: Re: Guard Traces


Another way to explain the change could be the following:as soon as you add a second trace or you al......

asked by gianguida

8 years 8 months 21 days

0

votes

0

answers
2162 views

How to Model wires


Dear colegues,I have the challenge to model two boards with connectors and 10 meter Wirein between.F......

asked by l_watervoort lastest answer by Patrick_Carrier

9 years 4 months 12 days

0

votes

2

answers
2303 views

Should I take into account PCB trace as a load ?


Hey, ExpertsI have a basic question that PCB trace can be a load ?I want evaluate the driving capab......

asked by yardala lastest answer by lgreen22

9 years 7 months 22 days

0

votes

3

answers
2278 views

90 OHM Differential Impedance


Hi All, Basically USB signals require 45 Ω  characteristic impedance and have a target differenti......

asked by saril_k lastest answer by weirsi

10 years 8 months 1 day

0

votes

2

answers
2494 views

Re: Effect of temperature on at 100C for DDR3/4 b......


Steve,Thanks for correcting me. Its 100CRegardsBarthi--- On Wed, 12/16/09, steve weir wrote:> From:......

asked by barthi1 lastest answer by wcmartin1

10 years 11 months 6 days

0

votes

1

answers
2327 views

Effect of temperature on at 200C for DDR3/4 board......


Hi,What is the effect of temperature (200C) on characteristic impedance at DDR3/4 speeds and what th......

asked by barthi1 lastest answer by Gert.Havermann

10 years 11 months 6 days

0

votes

3

answers
2512 views

changing Frequency Response!


Hi all I've faced a bad challenge in simulating frequency response of Xtalk between two nets in my P......

asked by mohaghtalab lastest answer by Gert.Havermann

10 years 11 months 15 days

0

votes

1

answers
2150 views
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