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PCIe Update: Power, IoT, storage, OCuLink, simulation, and equalization

Quick update on what’s hot in PCIe from the 2015 PCI-SIG Developer’s Conference. Read More...

Which buses control your test instruments?

Unless you're still living in the dark ages, you probably use some communications bus to control test equipment and collect measurements. Which do Read More...

Return path discontinuities and EMI: Understand the relationship

It’s conventional wisdom that a solid, continuous return path provides a better result in electromagnetic compatibility (EMC). This article Read More...

Rogue waves can ruin your power

In this video, Steve Sandler explains why power distribution networks need flat impedance to avoid creating unwanted resonant signals. Read More...

LVDS display bridges and automated measurements, part 1

OpenLDI modules control displays in vehicles and their components need characterization. In part 1 of 2, we discuss the fundamentals of LVDS signals, Read More...

Scientific dogmatism: wild red herring or trained attack dog?

Do science researchers have to submit to established scientific dogma? No, it doesn’t work that way. Read More...

Correlation: An overlooked oscilloscope measurement

The correlation function is a useful signal-processing tool that helps determine periodicity, signal-to-noise ratio, propagation delay, and signal Read More...

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

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 Read More...

DesignCon 2016 opens call for papers

It’s time to sharpen your virtual pencils and submit your ideas for next year’s DesignCon. If your work concerns signal integrity, power Read More...

Two common PDN measurement questions

Steve Sandler reveals two common questions he gets about power distribution networks, and then he provides detailed answers. Read More...

Product development takes teamwork, math, and smaller boxes

When Tektronix engineers set out to develop the company's latest high-performance oscilloscope, engineers had to abandon traditional ways of Read More...

Software toolset performs PAM-4 signal analysis

A set of software analysis tools for Teledyne LeCroy’s real-time oscilloscopes performs eye, jitter, and noise measurements on all three eye Read More...

Automated PHY test suite simplifies USB 3.1 compliance

With Teledyne LeCroy’s QPHY-USB3.1-Tx-Rx package for automated USB 3.1 transmitter and receiver compliance testing, characterization, and Read More...

History of jitter Part 2: Histograms

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

Why FEC plays nice with DFE

FEC (Forward Error Correction) spends bandwidth to buy BER (bit error ratio), but it has to work just right or the whole thing falls apart. Read More...

History of jitter, Part 1: the early years

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...

Increase range in 2-port impedance measurements

Adding series resistors or replacing VNA cables can widen bandwidth for measuring low impedances. Read More...

eGaN FETs have surpassed Silicon performance and now have lower price

Efficient Power Conversion has introduced a new family of eGaN FETs with better performance, smaller size, high reliability, and lower system cost Read More...

Alternative PCB fabrication tools

Ten (mostly) new ways to make PCBs. Read More...

LXI digitizers reach 5 Gsamples/s

Networked systems are available in two, four, or eight channels at 1.5 GHz bandwidth. Read More...

Teledyne LeCroy enhances high-end oscilloscopes

Teledyne LeCroy demonstrated the LabMaster 10Zi-A and WaveMaster 8Zi-B oscilloscopes at OFC 2015. Read More...

Software outfits real-time scopes for PAM-4 analysis

Measurement software from Keysight Technologies allows engineers to characterize PAM-4 (pulse amplitude modulation that uses four distinct amplitude Read More...

Limit the range of a waveform measurement

With these handy hints, you can use an oscilloscope to measure what you want and ignore the rest. Read More...

De-embed transmission lines with FIR filters

This DI uses MATLAB to design de-embedding filters which clean up high-speed signal measurements. Read More...

Manage EMI in PCB design: EMI sources and solutions

With ever-faster interfaces on PC boards, managing electromagnetic interference (EMI) is one of the biggest challenges designers face. Using design Read More...

OIF demonstrates 50 Gbps signals using two modulations

Two videos from OFC 2015 show how backplanes and capper cables are capable of handling 50 Gbps signals. Read More...

Keysight BERT adds adjustable ISI

The M8062A module for Keysight's J-BERT lets you test receivers at speeds to 32.4 Gbps while simulating intersymbol interference from copper trace Read More...

Engineering correct-by-design PCBs

Designing a modern, high-speed printed circuit board (PCB) is a pretty daunting task. It requires high levels of expertise in a number of different Read More...

OTN processor advances 400G switching

Consuming 50% less power per port than its predecessor, the PM5990 DIGI-G4 from PMC-Sierra is one of the densest single-chip 4x100G OTN processors on Read More...

70 GHz oscilloscope offers flexibility, low noise

Tektronix gets back in the high-bandwidth game with the DPO 70000SX, not only in terms of bandwidth but with a flexible architecture. Read More...

Optical transceivers promote 100GbE networks

Avago Technologies will showcase two fiber-optic transceiver modules at this month’s OFC 2015 conference that the company believes will enable Read More...

The mysterious disappearance of duo-binary signaling

At DesignCon 2015, we heard that Duo-binary modulation isn't sufficient for 56 Gbps data transmissions, yet we saw it in live demonstration. What's Read More...

GaN transistor boosts efficiency, power density

Transphorm is offering engineering samples of the TPH3205WS, a 600-V GaN transistor in a small 3-pin TO-247 package that delivers high-efficiency Read More...

Speed & power stretch PCB technology

Advances in semiconductor technology have had a dramatic effect on what can be done in a single integrated circuit, and have strongly impacted PCBs. Read More...

What is the ringing period on an unterminated line?: Rule of Thumb #26

The relation between ringing period and line length is derived. Read More...

USB 3.1 testing part 2: Type-C cable assemblies

The USB type-C connector will make life easier for consumers, but will require additional compliance testing for designers. Read More...

Characterize interconnects with S-parameters, Part 2

A closer look at not only S11 (return loss or reflected signal), but also S21 (insertion loss or transmitted signal). Read More...

Predictive energy balance control for PDN applications

Steve Sandler takes a close look at a new predictive energy balance controller from Congipower, a new hardware-independent voltage regulator Read More...

Farewell, Leonard Nimoy

EDN bids farewell to the actor who inspired many to become engineers and scientists. Read More...

BER test method uses real data

A proposed test method from the UNH-IOL shows promise for testing serial data links such as PCIe and SATA without the drawbacks of using predefined Read More...

How much is impedance affected by an adjacent trace?: Rule of Thumb #25

Line spacing affects impedance as well as crosstalk. But by how much? Read More...

Cable tips for your next measurement

Measurements are often hanging by a cable; Steve Sandler explains why the purchase of a “good” cable may not be sufficient, and provides tips for Read More...

Where is GaN going?

Alex Lidow looks at the current applications for GaN, the ones on the near horizon, and industry analyst predictions. Read More...

Software tool fixes some causality violations

While walking the exhibit floor at DesignCon 2015, Eric Bogatin found a new tool from Ataitec Corp that prevents causality violations. Read More...

Characterize interconnects with S-parameters

What can S-parameters reveal about interconnects? Read More...

Joe Hudy: 'Making' an engineering career

Well-known DIYer Joe Hudy discusses what it means to be a "maker" and how that fits into his skyrocketing young career as an engineer. Read More...

Annotate oscilloscope displays for better documentation

Take advantage of your digital oscilloscope to display pertinent measurement information and operator instructions right on the screen. You'll then Read More...

DesignCon and the future of bench instrumentation

DesignCon offers vital clues about the form factors and use models we will find on the lab bench of the future. Read More...

How to ground and power complex circuits

IDT’s Nicholaus Smith takes an in-depth look at application-based methods for grounding and powering complex circuits, specifically looking at how Read More...

Is PAM4 ready for prime time?

Not everyone believes PAM4 will become the industry standard for data communications at 56 Gbit/s. In this video, two backplane designers explain why. Read More...

DesignCon 2016 opens call for papers

It’s time to sharpen your virtual pencils and submit your ideas for next year’s DesignCon. If your work concerns signal integrity, power Read More...

Power electronics rise at DesignCon

What’s so special about DesignCon? With a 20-year history behind it, DesignCon is a conference that inspires fierce loyalty and commitment from its Read More...

GaN pumps power revolution

Those who say 'don’t bet against mainstream silicon CMOS technology' haven’t heard what’s going on in gallium nitride. Read More...

Backplanes hit a wall at 56G

Backplane-based systems are hitting a wall at 56 Gbit/second speeds, driving a debate over a need for new materials, signaling, and equalization, Read More...

DesignCon 2015 in photos

Celebrating 20 years, DesignCon 2015 looks back at its history and forward at what lies ahead for the high-speed communications and semiconductor Read More...

10 standards for effective tech standards

Synopsys' Karen Bartleson discusses the sometimes unwelcome standards process and how engineers are can benefit from participation in it. Read More...

Top design and test products recognized at DesignCon

At DesignCon 2015, the Best in Design & Test Product Awards recognized the best products at the chip, board, and system level, with an emphasis on Read More...

DesignCon names Mike Steinberger Engineer of the Year

From communications analysis to IC design to microwave to software and more, Mike Steinberger has done a lot in his more than 30-year career. He Read More...

Fried cable sparked EE profession

The electrical engineering profession was sparked in the late 1800s by a fried transatlantic telegraph cable, said a DesignCon keynoter and Stanford Read More...

Rambus takes noise monitoring on chip

Rambus unveils an on-chip noise monitor to improve quality and reduce time-to-market of complex SoCs. Read More...

TE touts 40G serial PAM4 direct attached cable

Ahead of planned panel discussions and sessions on the topic, TE Connectivity has announced a 40G serial PAM4 direct attached cable among its Read More...

Techniques to ensure signal integrity

DesignCon's track 14 covers signal integrity analysis techniques for interconnects and passive components of digital and RF/microwave systems as well Read More...

DesignCon celebrates test and measurement

Get familiar with advancements in measurement techniques for all aspects of signal and power integrity, with an emphasis on understanding the Read More...

Signal integrity testing with a VNA

How important are RF connectors and how do you characterize signal integrity on a VNA? Read More...

Demystify electromagnetic compatibility

This DesignCon track raises the awareness and the impact for design and systems engineers in order to mitigate possible issues in the early design Read More...

Get a handle on power integrity in complex designs

DesignCon's 11th track addresses power regulation in terms of power distribution network design, modeling, and analysis on boards, packages, and Read More...

Leverage high-speed signal processing

Leverage high-speed signal processing for equalization and coding at DesignCon with this track covering design, modeling, analysis, and Read More...

DesignCon after hours: Local attractions

Wondering what to do before/after DesignCon sessions and expo? Check out this list of local area attractions. Read More...

Detect and mitigate jitter and noise at DesignCon

This DesignCon conference track will offer insights on how to detect and mitigate jitter, crosstalk, and noise, and discuss the causes of errors. Read More...

Tips to optimize high-speed serial design

Papers and presentations at DesignCon 2015 address critical areas of high-speed design. Here’s a preview of some of them. Read More...

4 young engineers to know

Get to know these 4 young engineers who excel with their enthusiasm and accomplishments. Read More...

Get a closer look at parallel and DDR interfaces

Want the latest design techniques to meet the performance requirements for chip-to-chip interfaces? Check out this DesignCon track. Read More...

Dine well at DesignCon

If you’re looking for good grub in the vicinity of DesignCon 2015, there are plenty of options and lots of different cuisine for whatever you Read More...

Materials and fabrication affect electrical performance

DesignCon conference track looks at the effect of materials and fabrication on electrical properties and performance, here are some papers not to Read More...

PCB design tools track covers DDR4, differential crosstalk at DesignCon

This DesignCon track explores effective high-speed design and design choices using a wide range of E-M modeling techniques, PCB characterization Read More...

Conference forum addresses test & measurement challenges

Highlights from the upcoming Keysight Education Forum at DesignCon 2015. Read More...

S-parameter puzzles for engineers

Every engineer loves technical puzzles. If you also are familiar with S-parameters, what could be more exciting than S-parameter puzzles? Read More...

DesignCon brings chip, package and board modeling together

This DesignCon track covers a broad range of topics addressing design-oriented modeling simulation and analysis for cost-effective power and signal Read More...

DesignCon enlightens attendees on wireless and photonic integration

The Wireless and Photonic Integration track includes a panel that will introduce silicon photonics technology, a paper presentation that will discuss Read More...

Impedance measurements make a difference at DesignCon

What do clock jitter, EMI, control loop stability, SPICE modeling, rogue waves and the ripeness of fruit have in common? A tutorial and paper Read More...

Get a taste of SPICE at DesignCon

Every engineer needs easy access to a SPICE simulator tool. Get introduced to possibly the world's best SPICE tool at a DesignCon speed training Read More...

DesignCon signal modeling and simulation track includes random jitter

If you're interested in the challenges of analog and mixed-signal modeling and simulation, there is a DesignCon track for you. Read More...

ANSYS previews chip-package-system analysis for DesignCon

Full system analysis is an absolute necessity to address the new challenges of system design. Margaret Schmidt from ANSYS explains why. Read More...

DesignCon signal and power integrity track tackles noise

One of the highlights of DesignCon is the conference tracks are selected by more than a hundred engineers who are passionate about the content. Here Read More...

Meet an engineer mentor, be an engineer mentor in 5 minutes

If you are a young engineer looking for some guidance or an experienced engineer looking to pass along knowledge but are short on free time, check Read More...

Check Out DesignCon Events Geared for New Comers!

If it’s your first year at DesignCon 2015, the amount of tutorials, training sessions, panels and demos can be somewhat overwhelming, but there are Read More...

Cadence Demos Allegro Sigrity at DesignCon

DesignCon 2015 takes place January 27-30, where Cadence will showcases its Allegro Sigrity solutions for signal integrity and power integrity Read More...

Keysight Debuts at DesignCon 2015

DesignCon takes place January 27-30, where Keysight Technologies will make its first appearance after formally spinning off from Agilent Technologies Read More...

Make Connections at the DesignCon Welcome Reception

This year’s DesignCon will wrap its first day with a welcome reception at one the world’s most advanced, multi-purpose stadiums. Read More...

PAM4 takes the spotlight at DesignCon 2015

PAM4 signaling has threatened to take the reigns from NRZ for years, but this time it's really going to happen. Find out how our concepts of signal Read More...

Vote for the Best Products of 2014

At DesignCon 2015, the Best in Design & Test Awards will be awarded in the ChipHead Theater at 5PM on Wednesday January 28th, 2015 in the Santa Clara Read More...

Vote for the Engineer of the Year

DesignCon2015 has announced the finalists for the Engineer of the Year Award (sponsored by National Instruments). The award includes a $10,000 grant Read More...

Rambus announces DesignCon highlights

In addition to its space in the expo hall, Rambus will also be presenting four papers in the conference’s technical program and delivering a Read More...

Silicon photonics: What are the advantages?

Sneak peak at "Perspectives on silicon photonics (an honest forum)" at DesignCon 2015 Read More...

Profiles in Design: Alex Lidow, Ph.D.

“For the first time in 60 years we have a technology that is both higher performance and lower cost than silicon.”—Alex Lidow Read More...

Profiles in Design: Karen Bartleson

“Learn how to negotiate effectively. It’s amazing what you can do when you can resolve conflict and bring people together in Read More...

Profiles in Design: Thomas Lee, Ph.D.

“Learn to be your own teacher. The profession changes at such a velocity that many things you learn in school will be obsolete before too Read More...

DesignCon History: Looking back 20 years

DesignCon is a conference that is characterized by its committed, passionate speakers and attendees. Here, I aim to piece together the history of Read More...

Vote for your favorite design trick

It's time to pick the best design trick from our DesignCon Trick for a Treat contest. Read More...

DesignCon prophecy from 1995

As we prepare to celebrate DesignCon’s 20th anniversary, Istvan Novak looks back at Design SuperCon 1995. Read More...

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