Accelerating Test, Validation and Debug of High Speed Serial by Yongquan Fan

By Yongquan Fan

High-Speed Serial Interface (HSSI) units became frequent in communications, from the embedded to high-performance computing structures, and from on-chip to a large haul. trying out of HSSIs has been a not easy subject due to sign integrity matters, lengthy try time and the necessity of pricey tools. Accelerating try out, Validation and Debug of excessive velocity Serial Interfaces presents cutting edge attempt and debug methods and distinct directions on tips on how to arrive to functional try out of contemporary high-speed interfaces.

Accelerating attempt, Validation and Debug of excessive velocity Serial Interfaces first proposes a brand new set of rules that permits us to accomplish receiver try greater than a thousand occasions quicker. Then an under-sampling dependent transmitter attempt scheme is gifted. The scheme can thoroughly extract the transmitter jitter and end the full transmitter try inside of 100ms, whereas the try often takes seconds. The publication additionally provides and exterior loopback-based checking out scheme, the place and FPGA-based BER tester and a unique jitter injection approach are proposed. those schemes may be utilized to validate, try and debug HSSIs with facts fee as much as 12.5Gbps at a reduce try out expense than natural ATE options. furthermore, the e-book introduces an efficieng scheme to enforce excessive functionality Gaussian noise turbines, compatible for comparing BER functionality lower than noise conditions.

Show description

Read Online or Download Accelerating Test, Validation and Debug of High Speed Serial Interfaces PDF

Best systems analysis & design books

The human interface. New directions for designing interactive systems

This detailed advisor to interactive procedure layout displays the adventure and imaginative and prescient of Jef Raskin, the author of the Apple Macintosh venture. different books may possibly exhibit the way to use latest widgets and interface principles successfully. Raskin, besides the fact that, demonstrates that many present interface paradigms are lifeless ends, and that to make desktops considerably more straightforward to exploit calls for new techniques.

Semisupervised Learning for Computational Linguistics (Chapman & Hall/CRC Computer Science & Data Analysis)

We are eventually attending to the purpose the place Computational Linguistics will begin to see their titles within the titles. some time past one must piggyback off of one other self-discipline to get the knowledge they wanted. This e-book is a needs to for someone studying something statistical within the NLP box. I took a category which lined the vast majority of the subjects during this publication simply months prior to the ebook got here out.

SPSS 15.0 Base User's Guide

The SPSS Base 15. zero User's advisor is a accomplished reference for utilizing SPSS for Windows®. At over 800 pages, the consultant comprises overviews of the interface and support part; modifying, getting ready, and remodeling facts; developing, dealing with, and reworking records; operating with output and command syntax; acting a variety of research options; growing charts and tables; customizing menus and toolbars; utilizing the creation and scripting amenities; and handling output.

Foundations of Web Technology

Foundations of net expertise covers the fundamentals of net know-how whereas being really good adequate so as to add worth to skilled pros operating during this box. such a lot books on the net specialize in programmatic facets of languages akin to Java, JavaScript, or description of criteria equivalent to Hypertext Markup Language (HTML) or instant Markup Language (WML).

Additional info for Accelerating Test, Validation and Debug of High Speed Serial Interfaces

Sample text

If we treat the n as the total number of bits transmitted, p as the BER, and p n (k ) as the probability that k bit errors will occur, we can use the distribution to calculate the BER confidence level. We are interested in the probability that or fewer bit errors occur in n transmitted bits. The probability is the Cumulative Distribution Function (CDF) of the binomial distribution and is expressed as p (e ≤ n! p k q n−k k = 0 k! ) ) = ∑ p n (k ) = ∑ k =0 Then, the confidence level can be expressed as: CL = 1 − ∑ [ k =0 n!

If the value is bigger than Vt, logic “1” is received; otherwise, logic “0” is received. An ideal receiver samples data in the middle of each data bit. Without amplitude noise, the receiver can always correctly recover the transmitted bit. Under the presence of jitter and noise, the transition edge of the signal can fluctuate horizontally across the sampling point (along the time axis), and the signal voltage can fluctuate vertically at the sampling point (along the voltage axis). Both the time deviation and amplitude deviation can cause a bit error – bit “0” is received as bit “1” or bit “1” is received as bit “0”.

The noise is introduced by the channel, as well as by electronic components, including amplifiers at the receiver. This type of noise is most often characterized as thermal noise, or statistically as Gaussian noise. Its PDF is expressed by p ( x) = 1 δ 2π e − ( x − mx ) 2 2δ 2 where mx is the mean and σ2 is the variance of the Gaussian random variable. , amount of noise), the type of waveforms used to transmit information over the channel, the transmitter power, the timing jitter, and the method of demodulation and decoding.

Download PDF sample

Rated 4.69 of 5 – based on 40 votes