A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. The current through a resistor is in direct proportion to the voltage across the r

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Impact of pad cap on return loss


Hello Experts,I am designing a package for a 12 Gbps Serdes.The package layout is showing a differen......

asked by amit.j.kumar lastest answer by al

4 years 10 months 20 days

0

votes

6

answers
3292 views

differential signal driver\ receiver


Hello,The diffrerantial communication spec:The Lines: H,LVoltage levels: 0-5vLogic:True: H =5v ,L =0......

asked by shimonakrish

4 years 10 months 13 days

0

votes

0

answers
2182 views

Not SI - Thermals!!


Hello all,Please forgive the sharp right turn I am taking!I am getting into the thermal modeling at ......

asked by Charles.Grasso lastest answer by mrose

5 years 21 days

0

votes

9

answers
2456 views
5 years 21 days

0

votes

9

answers
3361 views

How to DC-bias SERDES channel?


Is there any way to DC-bias an AC coupled SERDES Channel (8GB/s) easilyusing board level components ......

asked by carson.au lastest answer by weirsi

5 years 5 months 8 days

0

votes

1

answers
1812 views

Question about jitter at serdes transmitter


We are using an Altera Arria II GX FPGA for a SATA 3 6GBPS interface.I ran some simulations in Hspi......

asked by joel lastest answer by dmarc-noreply

5 years 7 months 8 days

0

votes

4

answers
2805 views

EMC troubleshooting best done without EMC equipme......


Hi All,Now there is a provocative subject line, but to a large extent true in myexperience.Many eng......

asked by doug

5 years 8 months 24 days

0

votes

0

answers
2229 views

PDN resonance mode excited by high speed signal


Hi experts,I'm trying to simulate the phenomena of PDN resonance mode getting excited by the EM fiel......

asked by sherman.chen lastest answer by istvan.novak

5 years 9 months

0

votes

2

answers
2294 views

controlled ESR capacitors or series resistors


Hi,For optimum flat PDNs, the series resistor should be equal to square root(L/C).Out of the two op......

asked by antokdavis lastest answer by istvan.novak

5 years 9 months 2 days

0

votes

10

answers
1899 views

Power planes, ground cutout and guard traces


Hi experts,I'm designing a mixed signal board where the analog part is very criticalso noise and dis......

asked by michele.manotti lastest answer by istvan.novak

5 years 10 months 17 days

0

votes

4

answers
2190 views

DDR2 problem


Having some issues with a 225MHz DDR2 implementation at high temperature.I am wondering if the probl......

asked by bryan lastest answer by Hermann.Ruckerbauer

5 years 10 months 21 days

0

votes

3

answers
2114 views

Point to point simulation results


Hi,I am trying to simulate a topology.it consists of driver --> 0 ohm resistor --> MS line (length v......

asked by malli.1729 lastest answer by sherman.chen

5 years 11 months 2 days

0

votes

3

answers
2130 views

Frequency dependent in ADS


Hello,Is it possible to model the following frequency dependent resistor in ADS (AC simulations)? Ho......

asked by adnan.yassin lastest answer by nilesh_kamdar2

6 years 2 months 13 days

0

votes

2

answers
1976 views

Official: Hardware Design Engineer Opening at Mos......


I would like to let you know that we now have officially opened the position I referred to below. Yo......

asked by bkleveland

6 years 2 months 17 days

0

votes

0

answers
1956 views

Hardware Design Engineer Opening at Mosys - PCB b......


Hi,I thought I'd give the SI list a sneak preview of a job posting that is in the approval loop. Ple......

asked by Si-List lastest answer by bkleveland

6 years 3 months 15 days

0

votes

2

answers
1937 views

need advice on DDR3 simulation / termination


I am working on a DDR3 design. It uses an older FPGA (Altera Arria II GX) which does does not suppor......

asked by joel lastest answer by ken

6 years 5 months 1 day

0

votes

14

answers
2127 views

Grounding of PCB mounting holes.


I would like hear opinions on the subject of grounding PCBs.I have heard and encountered the followi......

asked by joel lastest answer by Gert.Havermann

6 years 5 months 22 days

0

votes

1

answers
2432 views

Terminating unused DQs of DDR3


Hi,This is with regard to termination of DQs of DDR3 components.Please read the text from micron..........

asked by thulasi.ramu lastest answer by weirsi

6 years 8 months 11 days

0

votes

2

answers
2226 views

Re: SI simulation of a tri state buffer 164422


Signal Integrity analysis is giving a very weird waveform for a tri state buffer driver 164422.There......

asked by mahesh

6 years 8 months 27 days

0

votes

0

answers
1665 views

Logic level at unused DQS


HiIn a x16 DDR3 device, DQ bus is comprised of two bytes. But I am using onlyone byte...let us say l......

asked by kbmanick lastest answer by Hermann.Ruckerbauer

6 years 11 months 11 days

0

votes

3

answers
1418 views
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