Signal Integrity

- July 19, 2012

Signal integrity, the focus of DesignCon, is at the heart of all high-speed serial links. Without good signal integrity from a transmitter and across a transmission lave, a receiver can't distinguish between and logic 1 and a logic 0. The Signal-Integrity collection features articles that explain how to measure signal characteristics such as jitter and bit-error rate.


OFC 2016: OIF shows off 56G PAM4, NRZ

  • 03.30.2016

The next generation of high-speed digital communications could be a mix of 56 Gbps PAM4 and NRZ modulation. The Optical Internetworking Forum demonstrated both forms at OFC 2016. Read More...

Is copper dead?

  • 01.12.2016

For years, engineers at DesignCon have asked this question. Eric Bogatin and other will discuss the future of copper at a DesignCon 2016 panel session.Read More...


The tradeoff between crosstalk and loss

  • 01.05.2016

How emerging high speed specifications provide designers flexibility in how they balance loss and crosstalk.Read More...


It’s Not Jitter, It’s Noise

  • 12.28.2015

Intersymbol interference occurs when symbols overlap with each other.


PAM4: A new measurement science

  • 12.01.2015

PAM4 modulation adds a complexity to serial data communications. Measuring its characteristics is a learning experience in progress. Read More...

History of jitter Part 5: PLLs and jitter analysis

  • 08.10.2015

Here’s how we gained deeper understanding of periodic jitter components and saw that from very long waveforms, we could now discover the peaks in the jitter distribution. Read More...

History of jitter Part 4: Time-interval error (TIE)

  • 07.24.2015

At its core, jitter measurement is about comparing when an edge actually arrives to when it's expected to arrive.Read More...

History of jitter, Part 3: BER as a function of jitter

  • 05.19.2015

Looking at BER as a function of jitter seen at a receiver depends on two things: how much jitter the signal has, and where the signal is being latched. Read on to find out more. Read More...

History of jitter Part 2: Histograms

  • 05.11.2015

The late 1990s and the rise of statistical analysis as a tool to analyze jitter.Read More...

History of jitter, Part 1: the early years

  • 05.05.2015

There's no simple, straight path through the history of jitter. Rather, it's a story of numerous instruments, inventors, and twists and turns. Read More...

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