A time-domain reflectometer (TDR) is an electronic instrument that uses time-domain reflectometry to characterize and locate faults in metallic cables (for example, twisted pair wire or coaxial cable)

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TDR Rise time


Hi,Can I get help in understanding TDR rise time calculation? I came across10% to 90% calculation an......

asked by gmanikandan20 lastest answer by richard.mellitz

4 years 5 months 4 days

0

votes

19

answers
3275 views

ground recessing


Hi experts,I approach a case about ground recessing. For eight PCIE lanes, the sixteenAC caps are in......

asked by zhangjun5960 lastest answer by leeritchey

4 years 7 months 14 days

0

votes

16

answers
3837 views

Testing DVI Cables


Can someone point me to a company that can test DVI cables?I need to perform a TDR test for the foll......

asked by charles lastest answer by al

4 years 9 months 2 days

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votes

1

answers
2034 views

Saturday RF course to be held in Santa Clara, CA


The IEEE Microwave Theory and Techniques Society will hold a one day course"RF, EMI/EMC and Gigabit ......

asked by olaney lastest answer by olaney

4 years 10 months

0

votes

402

answers
3833 views
4 years 10 months 15 days

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votes

7

answers
2544 views

What does an unpowered FPGA output look like on a......


Hello SI-list!Trying to figure out if an unpowered, area array FPGA output is connected to PCB using......

asked by jnieznan lastest answer by tom

4 years 11 months 5 days

0

votes

3

answers
2876 views

Why do we still TDR pcbs


  Hi folks,See lots of discussion this month on whether SI has become commoditized. I'll hold off ......

asked by dmarc-noreply lastest answer by al

4 years 12 months 21 days

0

votes

9

answers
2722 views

edge connector layout optimization


I'm designing 6Gbps interconnect using edge connector.i try to optimize it's layout using this flow1......

asked by qantrix

4 years 12 months 22 days

0

votes

0

answers
1705 views

the impedance of via


Hi Dear experts,For the same size of vias (10mils) and antipads (40mils), When it connectsto 100ohm ......

asked by zhangjun5960 lastest answer by shlepnev

5 years 1 month 22 days

0

votes

2

answers
2050 views

TDR & Impedance rise in lossy interconnects


Hello,When running a TDR measurement on a lossy channel such as long backplane Ialways see a positiv......

asked by bbakshan lastest answer by bbakshan

5 years 2 months 18 days

0

votes

5

answers
2055 views

some questions abou a PCB test coupon to measure ......


Hi experts,I have designed a PCB test coupon to measure the impedance curve andcrosstalk curve from ......

asked by zhangjun5960 lastest answer by istvan.novak

5 years 3 months 7 days

0

votes

3

answers
2644 views

Re: some questions about a PCB test coupon to mea......


Ching-Chao As Al Neves pointed out if the DUT is swamped out by ringing from poorly designed launche......

asked by tom lastest answer by cchwang2013

5 years 3 months 7 days

0

votes

6

answers
2470 views

100ohm via model


Hi Experts,I'm designing a 100 ohm via model with 5% tolerance for 15 gbps lane (260mil thick board ......

asked by sureshkumar.ayyavu lastest answer by sureshkumar.ayyavu

5 years 4 months 26 days

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votes

4

answers
2276 views
5 years 4 months 16 days

0

votes

0

answers
2633 views

SI intern - Cisco Systems SJ


Hi all,Cisco SI team in San Jose has several openings for SI interns starting in May. We are looking......

asked by msapozhn

5 years 5 months 4 days

0

votes

0

answers
1936 views

Time Domain Simulation with Limited Frequency Ran......


Hi All,I am trying to figure out what is the optimal approach to get the most accurate time domain s......

asked by zidaneharoldwang lastest answer by shlepnev

5 years 5 months 24 days

0

votes

1

answers
2116 views

S parameters and TDR characteristics for multipoi......


Hi everyone,Have you done some research about S parameters and TDR characteristics for multipoint st......

asked by junz2 lastest answer by junz2

5 years 6 months 29 days

0

votes

2

answers
1986 views

Signal Integrity Job opening at Xilinx


Xilinx has a Signal Integrity Sr. Staff Engineer opening immediately in the Package Design Departmen......

asked by ray.anderson

5 years 6 months 1 day

0

votes

0

answers
2161 views

the difference between the pkg/die model in activ......


Hi, experts,During the effort trying to correlate the channel simulation result to the test result, ......

asked by sherman.chen lastest answer by weirsi

5 years 6 months 2 days

0

votes

1

answers
1853 views
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