PCB

Michael Dunn
Editor, Design Ideas, IC/FPGA, PCB, and Medical Design Centres
In-depth technical design information, product advancements, and technology and tool updates for engineers, engineering managers and system architects responsible for designing, specifying, selecting or connecting printed circuit boards (PCBs) for electronics applications. Topics include layout tools, IC and board connectivity, connectors, board to board connectivity, signal integrity, power, signal and ground routing, conformal coatings, passive device integration, 3D modeling, and board and system concurrent design.

Find the settings and open the eyes

OptimEye from SiSoft reduces the laborious task of optimizing serial transmitters and receivers. Read More...

PCB products and talks at DesignCon 2016

DesignCon is high-speed heaven for engineers, exhibitors, and customers. Here are a few PCB-related items for your perusal that I took in while there. Read More...

PCB signal integrity analysis for multi-gigabit interfaces

Cadence Design Systems’ Sigrity 2016 technology portfolio can, the company says, improve product creation time with an enhanced PCB design and analysis methodology that is suitable for multi-gigabit interfaces. Read More...

Scenes from the desktop manufacturing revolution, part 2

Maker technologies are the key ingredient of low-cost circuit board assembly systems. Read More...

DesignCon 2016 in photos

DesignCon 2016 offered technical sessions, teardowns, mentoring sessions, a trivia challenge, and much more. See what you may have missed at the event with this collection of photos. Read More...

Eric Bogatin: Meet DesignCon’s Engineer of the Year

Engineer and educator Eric Bogatin has been attending DesignCon from the beginning and this year he was voted the DesignCon Engineer of the Year. Read More...

Taking a closer look at PCB traces

A frequently asked question during PCB layout review meetings is, “Are 50-ohm traces being used for the digital signals in this PCB layout?” Read More...

Is copper dead?

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...

Target impedance, rogue waves: tales from the experts

DesignCon is the place to be for PDN issues. Don’t Miss this ALL STAR panel of PDN experts at DesignCon: Target Impedance and Rogue Waves Read More...

Who hasn't been laid off at least once?

A look back at long-time contributor Glen Chenier's career. How many of us can relate? Read More...

New exhibitors preview DesignCon demos

A quick look at what some new exhibitors will be bringing to the DesignCon 2016 expo this year. Read More...

The tradeoff between crosstalk and loss

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

Top ten cynical tech realizations of 2015

Did you really think I wouldn't write a "top ten" article? Well, at least the entries are properly numbered, from 9 to 0, of course. Read More...

Make sense of high-frequency test methods

What high frequency test methods are available and how do their results compare over frequencies up to 110 GHz? Read More...

DesignCon 2016 to close with PAM4 measurement panel

With two panels and nine papers on PAM4, DesignCon 2016 is sure to fill your cup with information on the next communications modulation. Read More...

Your DesignCon 2016 dance card isn’t complete without…

The annual design enginEEring con is equal parts reunion and party and there’s a conference, too. Read More...

Product-level architectural validation is the missing link of design flow

Complex product designs benefit from tools that support system-level architectural control and validation. Read More...

Killer ESD tamed at DesignCon panel

Don't miss the ESD (electrostatic discharge) panel at DesignCon where we'll discuss design, mitigation, and debugging with an ESD slant. Read More...

EMC book cleans up its act

A second printing of EMC Made Simple removes typos that made you question the rest of the book. Read More...

Ball Soldering

This phrase, "ball soldering", has been used to describe physical arrangements other than the one about to be described, but that's the phrase I'm going to use. Read More...

Prometheus PCB scribe aims for low-cost

A new, Kickstarted PCB machine at a fraction of the pro machines' price. Read More...

DesignCon Preview: Exhibitors plan demos and training for attendees

Take a look at what some of the DesignCon 2016 exhibitors have planned for this year's conference. Read More...

Common parts library eases startup production woes

Component issues are probably the most frequent cause of build delays, but working from a base of common parts can help. Read More...

Profiles in Design: Al Eisaian

Don’t be afraid of failure, be afraid of NOT trying! says Al Eisaian, engineer, entrepreneur, and DesignCon keynote speaker. Read More...

DesignCon2016: Prepare for the PAM4 phase shift

The shift from baseband NRZ to PAM4 provides the opportunity to leap to the edge and DesignCon2016 will get you there. Read More...

>> SEE ALL

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...

Avago Tech Note: 5MBd Digital optocouplers targeting low power/low supply voltage applications

Digital optocouplers provide high voltage insulation and noise rejection for data transmission, with very low power usage. Read More...

Short circuit tracer/finder uses low power

Build this bench tool and become a master at pinpointing shorts. Read More...

Avago Tech Note: 14.2mm wide Creepage and clearance optocouplers for high-voltage applications

Not any optocoupler will do for applications requiring extra-high-voltage isolation. Read More...

Milliohm Squawker great at finding shorts and reverse engineering PCBs

This well thought out tool for “listening to” low resistances really speeds troubleshooting & tracing. Read More...

Music keyboard inductively senses position & velocity

Technologies to measure key position, pressure, and velocity go back almost a century. Now, an inductive sensing IC offers another solution. Read More...

Water & vandal-proof keypad uses piezoelectric disc as sensor and buzzer

An ingenious and low-cost method to create a rugged “UI”. Read More...

Safety flasher warns of high voltage

A low power circuit warns the user that high voltage is present. Read More...

Best Design Ideas of 2013Q3

We present the best Design Ideas of the last quarter! Read More...

Soldering iron driver bridge controls temperature

With a power supply and a replacement soldering handle you can implement this temperature-controlled soldering iron driver. Read More...

Reduce acoustic noise from capacitors

Adding parts or cutting PCB slots can make a difference. Read More...

Make a quick-turnaround PCB for RF parts

Parts get smaller, but the laws of physics don't change. Your designs must change to compensate. Read More...

Capacitive touch switch uses CPLD

Using an Altera MAX IIZ CPLD, you can implement a touch-switch decoder with no external components. Read More...

>> SEE ALL

PCB signal integrity analysis for multi-gigabit interfaces

Cadence Design Systems’ Sigrity 2016 technology portfolio can, the company says, improve product creation time with an enhanced PCB design and analysis methodology that is suitable for multi-gigabit interfaces. Read More...

USB Type-C connectors curtail EMI

TE Connectivity offers USB Type-C connectors with enhanced EMI shielding on the receptacle shell to help eradicate unwanted EMI leakage. Read More...

600-V MOSFETs gain power package option

Vishay now offers its 600-V E series power MOSFETs in low-profile, surface-mount PowerPak 8×8-mm packages that are halogen- and lead-free. Read More...

In-mold electronic inks enable control integration

DuPont Microcircuit Materials is launching a suite of in-mold electronic inks designed to help streamline electronic devices by reducing the need for rigid circuit boards. Read More...

Upverter update creates symbols & footprints for you

Cloud EDA provider Upverter has added "Parts Concierge" to save users the hassle of new-part creation. Read More...

Inject harmonics, test for EMI and resonance

The Picotest J2150A Harmonic Comb Injector lets you characterize circuits and systems over a range of frequencies from kilohertz to gigahertz. Read More...

USB oscilloscope by and for makers

The SmartScope from LabNation runs on Windows, Linux, MacOS, Android, and iOS operating systems. Read More...

Optical cages cover today's highest signal speeds

The zQSFP+ line of optical module cages from TE Connectivity lets you upgrade optical links from 10 Gbps to 25 Gpbs, with support for 100 Gbps rates. Read More...

Stackup design tool supports more languages

Polar Instruments, provider of tools for high speed PCB design, fabrication and test, has launched new language versions of the Speedstack PCB layer stackup design system. Read More...

Boundary-scan viewer offers trace imaging

Version 8.2 of the ScanExpress boundary-scan tool suite from Corelis adds trace imaging using ODB++ netlist data. Read More...

Nextgen PCB design made easier (or less painful)

The 30th anniversary edition of Orcad includes a variety of new features and significant upgrades relating to manufacturing/fabrication checks, electrical rules checks, and constraint definition and management. Read More...

Altium's free CircuitMaker in open beta

The latest stage in the development of Altium's CircuitMaker is to make it available as part of an open beta testing program. Read More...

DfR Solutions updates reliability-prediction software

Version 4.0 of Sherlock Automated Design Analysis software—DfR Solutions’ platform for analyzing, grading, and certifying the expected reliability of products at the circuit-card assembly level—offers an expanded suite of FEA (finite element analysis) integration tools to allow designers to model complex PCBs and components with precise detail. Read More...

New PADS products embrace budget-conscious engineers

Mentor's new PADS lineup now includes an entry-level product targeted to small companies and independent engineers. Read More...

Xpedition Package Integrator spans IC chip to package to PCB

Mentor's new Package Integrator allows co-design of chips, single- & multi-chip packaging, and PCB layout. 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 lengths. Read More...

Zipper fins improve heat-sink performance

Lightweight zipper-fin heat sinks from Advanced Thermal Solutions offer fin profiles with high aspect ratios, enabling taller, thinner, and more tightly packed fins for greater cooling performance. Read More...

PCB design tool links Altium & SolidWorks

PCBWorks is a PCB design tool created by Altium to enhance workflow collaboration between electrical and mechanical designers. Read More...

Desktop milling machine creates PCBs and packaging

Version 2 of the Othermill will create your PCB, enclosure, and other parts – on your benchtop. Read More...

See the details with an HD thermal imager

Fluke's TiX1000 series of high-definition thermal imaging cameras let you see temperature on circuit components, wires, even whole cities. Read More...

Software speeds simulation of electromagnetic properties

3-D EM Simulation Platform provides significant FEM Simulation Speed Increase. Read More...

Mentor meets Digi-Key, low-cost CAD results

Designer, DX Designer's little brother, is out of beta and available to purchase. Read More...

EDN Hot 100 products of 2014

Of the many thousands of products announced during the past year, these are 100 that especially caught the attention of our editors and our readers. Read More...

EDN Hot 100 products of 2014: EDA Tools, IP & Memory/Storage

This section of EDN's Hot 100 Products of 2014 includes design automation tools and memory/storage products. Read More...

Expedition xSD adds support for multi-board system design

Most systems these days have two or more boards, and CAD vendors are finally cottoning onto this to support repartitioning and interconnect design. Read More...

100 GHz real-time oscilloscope arrives

Teledyne LeCroy ups the oscilloscope bandwidth ante with the announcement of the LabMaster 10-100Zi. Read More...

Probes & software enhance impedance measurements

Probes and software from Picotest let you measure the stability of op-amps, filters, and power regulators while in-circuit. Read More...

Free PCB design tool includes 3D modeling, crowd-sourced parts database

CircuitMaker PCB design tools' 3D modeling and other features will help designers deal with the "lumpy" nature of LED lighting products or other design projects involving large, irregular components. But that's only half of the story. Read More...

Mouser releases free version of NI MultiSIM simulator, PCB tool

Available via free download on Mouser.com, MultiSIM BLUE enables engineers to design and simulate circuits before laying them out in physical prototypes. Read More...

Power supplies combine linear and switching

Autoranging power supplies from Picotest deliver maximum power at any voltage/current setting. Read More...

Measure low current and high resistance

Two new instruments from Keysight Technologies help with researching new materials through low current and high-resistance measurements. Read More...

Mentor's Xpedition xDM provides enterprise PCB data management

Designs can leave you swimming in a morass of files and versions. xDM is a management solution for designs and libraries. Read More...

Copper heat pipes keep electronics cool

Advanced Thermal Solutions offers a line of 33 round and flat copper heat pipes for transporting power dissipation away from hot electronic components. Read More...

Low-CTE laminate targets 100-Gbps Ethernet designs

Intended for very high-speed digital applications up to and beyond speeds of 100 Gbps, Isola’s Tachyon-100G laminate material exhibits electrical properties that are very stable over a broad frequency and temperature range. Read More...

MLCCs feature reduced acoustic noise in 0402 package

A range of MLCCs from Murata have an extra interposer substrate that reduces acoustic "squealing" noise. Read More...

Path Finder mates PCB, IC package, & system design

The Xpedition Path Finder suite provides a single environment that gives cross-domain design teams the ability to model every device/interface. Read More...

Power supply board layout capability added to TI’s WEBENCH

WEBENCH® PCB Export, is a new feature in TI’s online WEBENCH Power Designer tool that engineers can use to quickly create a power supply printed circuit board (PCB) layout and export it to industry-leading computer-aided design (CAD) development platforms. Read More...

Mentor surprises with $299 EDA

Following the trend to low-cost SW & HW, Mentor & Digikey announce a $299 schematic+PCB package that you can try for free – now. Read More...

Printoo: Printed electronics made Arduino compatible

A spin-out from YDreams, Ynvisible was founded in 2010 with the goal to bring more interactivity to everyday objects and surfaces, mostly through the use of flexible and printed electronics including the company’s fully transparent electrochromic display. Read More...

NPI software links PCB design and manufacturing operations

Mentor Graphics’ Valor NPI (new product introduction) software is now fully integrated with the company’s Xpedition PCB design platform to deliver a seamless, automated flow for the design, fabrication, and assembly of PCBs. Read More...

Liquid crystal thermal-measurement system reveals hot spots

An imaging camera and software provide temperature resolution to 0.1°C. Read More...

Prototyping boards target Raspberry Pi and BeagleBone

Mikronauts’ line of easy-to-assemble prototyping boards, which includes versions that are specifically designed for the Raspberry Pi and BeagleBone hardware platforms, are silk-screened on both sides, highlighting power and signal buses and taking the guesswork out of finding the signals under the solder mask. Read More...

Circuit board plotter leverages UV laser

The ProtoMat D104 circuit board plotter from German manufacturer LPKF performs mechanical and laser machining in one system, carving circuit tracks out of fully coated base materials by negative contour routing, while an integrated UV laser extends processing to sensitive materials and allows structuring down to an ultra-fine pitch. Read More...

Checksum, ECT roll out flying-probe alternative for board test

CheckSum and Everett Charles Technologies (ECT) jointly announced the Tilt 12KN universal-probe test system, which delivers in-circuit coverage and increased throughput using Tilt fixturing at a low bed-of-nails tooling cost of about $2 per pin. Read More...

System brings thermal characterization to the test site

The ATS-535 Thermostream from InTest Thermal Solutions performs temperature testing and conditioning of components, parts, hybrids, modules, subassemblies, and printed circuit boards at the test bench, on the production floor, or in the lab. Read More...

JOT inline router automates PCB depaneling

According to manufacturer JOT Automation, its router is one of the smallest and most cost-effective inline routing solutions for automated depaneling of PCBs used in smart phones, tablet computers, PCs, motherboards, automotive electronics, and practically any electronic product. Read More...

Altium’s 3-D PCB toolset eases rigid-flex design

Focusing on core PCB design technology, Altium Designer 14 now supports flex and rigid-flex design, including schematic capture, 3-D PCB layout, analysis, and programmable design—all in a single unified platform. Read More...

ICT system conserves production floor space

Compliant with SMEMA (Surface Mount Equipment Manufacturers Association) specifications to enable seamless integration into high-volume production lines, the fully automated Medalist i3070 Series 5i inline ICT (in-circuit test) system from Agilent requires 33% less floor space than standard 3070 systems. Read More...

Stacking connectors ensure reliability in harsh environments

Built with a locking mechanism that offers both tactile and audible feedback when properly mated, stacking connectors in the FCN-280 series from Fujitsu maintain a secure board-to-board connection in rugged industrial environments. Read More...

Stamped CPU heat sink improves air convection by up to 5%

ASSMANN WSW has introduced the 'Stamped CPU Heat Sinks' series, a combination of 'CROSS-CUT' and 'Finger-Shaped heat sinks'. Read More...

>> SEE ALL

Teardown: Bluetooth audio dongle keeps it simple

Stereo Bluetooth audio streaming support can easily and inexpensively be added to many systems via an external adapter such as the one analyzed in this teardown. Read More...

Teardown: Apple iPhone 6 Plus battery

A look at Apple's iPhone 6 battery helps nail down the one variable that determines manufacturing cost. Read More...

Teardown: Xbox wireless controller

See how a third-party wireless Xbox controller takes control. Read More...

Teardown: 1966 Programmable scientific calculator

Look inside a mid-1960s programmable scientific calculator! Read More...

Teardown: iPhone 5s

Go inside the iPhone 5s to see the tech, the parts, what's better, and what's the same, as iFixit tears it down. Read More...

Teardown: Samsung Galaxy Note 3 still the category leader

TechInsights breaks down the processors, memory, and design wins in this teardown of the Galaxy Note 3. Read More...

Teardown: Airbag controller

Check out this airbag controller teardown, courtesy of Dave Jones from the EEVblog. Read More...

Teardown: OBD-II Bluetooth adapter

Peer inside an unbelievably low-cost OBD-II to Bluetooth "dongle." Read More...

Teardown: What's inside Google Glass?

With both intrigue and concern about Glass, this teardown takes a model apart to bring you a detailed view into the electronics guts of the in-demand device. Read More...

>> SEE ALL

DesignCon 2016 in photos

DesignCon 2016 offered technical sessions, teardowns, mentoring sessions, a trivia challenge, and much more. See what you may have missed at the event with this collection of photos. Read More...

Eric Bogatin: Meet DesignCon’s Engineer of the Year

Engineer and educator Eric Bogatin has been attending DesignCon from the beginning and this year he was voted the DesignCon Engineer of the Year. Read More...

Product-level architectural validation is the missing link of design flow

Complex product designs benefit from tools that support system-level architectural control and validation. Read More...

Thermal analysis of SO packages

How thermal analysis tools can be used for testing and evaluating the small outline packages found on reduced-sized PCBs in modern consumer devices. Read More...

3D chip/package/PCB co-design optimizes systems: Product how-to

Today’s complex and dense systems require a holistic design approach, from chip to PCB level. Read More...

Design rule checking for SERDES PCB layouts

In addition to manual inspection to be sure the SERDES bus traces on a routed printed circuit board are error free, use of an automated design rule checker makes such tasks easier. Read More...

Getting the heat out of PCBs demands intelligent simulation

Thermal simulation is necessary for many designs, and tools take different approaches to the solution. Read More...

PCB Layout: Design in-house, or outsource?

PCB design. For some companies, it’s an in-house affair. Others outsource. But for those on the fence, this quiz will help to decide which way to go. Read More...

7 Tips for overcoming PCB EMI issues

Faced with the challenges of new materials and new components, PCB designers must also deal with continuing electromagnetic compatibility and interference problems. Read More...

Thermal optimization during PCB design

Computational fluid dynamics software tools can be useful in considering the effect on a printed circuit board of such things as package selection, board layout and structure as well as enclosure design. Read More...

Semi-additive fabrication cuts width, spacing

Printed circuit board trace width and spacing as fine as 1.25 mils can be maintained over distance within extremely tight tolerance. 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 discusses the relationship between return path discontinuities and EMC. Read More...

Vacuum improves 3-d vapor-phase soldering process

By using vapor phase soldering in combination with in-situ vacuum, geometry-related deviations in the temperature profiles can be eliminated, in addition to other improvements, like reducing void content & void count. Read More...

PCB future is lightweight, low-cost, and flexible: Product how-to

Low-cost flexible additively printed circuit “boards” are enabling new technologies and markets. Read More...

Alternative PCB fabrication tools

Ten (mostly) new ways to make PCBs. 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 rule checks is a quick way to locate potential sources of EMI. 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 areas. Infusing that expertise into the design process can be made more practical through the use of rules-based verification. Read More...

Reducing PDN impedance at high frequencies

A look at the effects of capacitor placement and plane spacing on PDN impedance. Read More...

Product how-to: Build your own designs on flexible circuit boards

Flexible PCBs are becoming low-cost and accessible even to hobbyists. Read More...

Achieve low PLL jitter via improved power integrity

A look at the correlation between power quality and PLL jitter. Read More...

Improved SMT pad design for high frequency signal transmission

This paper studies the impact of impedance discontinuities due to SMT pads that exist along high frequency transmission lines on PCBs, and the techniques to minimize the negative effect on signal integrity. Read More...

Improve device reliability via PCB cleanliness

Today’s electronic assemblies require better cleaning than ever to ensure reliability uncompromised by PCB contamination. Read More...

Make high-quality double-sided PCBs – at home

Be rewarded with near-pro quality PCBs by following the method detailed here. Read More...

LXI + PoE: Essential Design Considerations

This paper introduces the basic concepts of LXI (LAN eXtensions for Instrumentation) and PoE (Power over Ethernet), and studies the four key considerations for hardware realization to achieve LXI compliance for a device powered over Ethernet. The LAN PHY compliance test is also discussed. Read More...

PDN design essentials for wideband low impedance

The essential steps to design board-level power distribution networks (PDNs) with wideband low impedance are discussed. The key steps include placement and routing for optimal PDN characteristics, post-layout simulation that computes the PDN impedance, and impedance measurement of the prototype PCB. Read More...

>> SEE ALL

PCB products and talks at DesignCon 2016

DesignCon is high-speed heaven for engineers, exhibitors, and customers. Here are a few PCB-related items for your perusal that I took in while there. Read More...

Scenes from the desktop manufacturing revolution, part 2

Maker technologies are the key ingredient of low-cost circuit board assembly systems. Read More...

Is copper dead?

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...

Target impedance, rogue waves: tales from the experts

DesignCon is the place to be for PDN issues. Don’t Miss this ALL STAR panel of PDN experts at DesignCon: Target Impedance and Rogue Waves Read More...

Who hasn't been laid off at least once?

A look back at long-time contributor Glen Chenier's career. How many of us can relate? Read More...

New exhibitors preview DesignCon demos

A quick look at what some new exhibitors will be bringing to the DesignCon 2016 expo this year. Read More...

The tradeoff between crosstalk and loss

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

Make sense of high-frequency test methods

What high frequency test methods are available and how do their results compare over frequencies up to 110 GHz? Read More...

DesignCon 2016 to close with PAM4 measurement panel

With two panels and nine papers on PAM4, DesignCon 2016 is sure to fill your cup with information on the next communications modulation. Read More...

Your DesignCon 2016 dance card isn’t complete without…

The annual design enginEEring con is equal parts reunion and party and there’s a conference, too. Read More...

Reduce noise in PDNs without excess cost and design time penalties

Our discussion will focus upon modern Power Integrity, distribution, and management which are essential for system functionality and performance. Read More...

EMC book cleans up its act

A second printing of EMC Made Simple removes typos that made you question the rest of the book. Read More...

Prometheus PCB scribe aims for low-cost

A new, Kickstarted PCB machine at a fraction of the pro machines' price. Read More...

Common parts library eases startup production woes

Component issues are probably the most frequent cause of build delays, but working from a base of common parts can help. Read More...

Profiles in Design: Al Eisaian

Don’t be afraid of failure, be afraid of NOT trying! says Al Eisaian, engineer, entrepreneur, and DesignCon keynote speaker. Read More...

DesignCon2016: Prepare for the PAM4 phase shift

The shift from baseband NRZ to PAM4 provides the opportunity to leap to the edge and DesignCon2016 will get you there. Read More...

Mentor or be mentored at speed networking

Chat engineering careers, network, share your knowledge and gain some new in just 5 minutes at UBM’s annual Mentor Meet-Up at DesignCon. Read More...

3D-printed PCBs and more

Two companies showed 3D printers that can spit out small printed circuit boards and others including Qualcomm showed advances putting electronics on plastic substrates. Read More...

Vote for the Engineer of the Year!

Time for you to cast your vote for the DesignCon Engineer of the Year. Read More...

Designer's notebook: Video circuitry

A few tips, tricks, and thoughts about video circuitry design. Read More...

ECAD & System-level design now "going steady"

Vendors think PCB-only design is passé. It's time to take a system-level approach. Read More...

T&M survey: Engineers still prefer knobs

Our test & measurement market survey shows that despite inroads made by mouse and pinch interfaces, engineers still prefer traditional instruments controls. Read More...

Making PCBs with cloud manufacturing

MacroFab is working to make small-batch manufacturing of printed circuit boards easier and more affordable through the use of what it calls "cloud manufacturing." Read More...

Webinar Sept. 17: S-Parameters

A webinar presented by SiSoft looks at how to check your models for errors. Read More...

Memories of Steve Weir

Last week, the signal-integrity community was left stunned when we heard about the death of Steve Weir. Read More...

Meet Daniel's new oscilloscope

Keysight Technologies presented a new oscilloscope to incoming MIT freshman Daniel Sheen on August 12, 2015. Read More...

Design & simulate in the clouds

A look at some Web-based schematic, PCB layout, and simulation sites. Read More...

Are you bored with your board?

Manufacturers of spacecraft avionics are considering new PCB materials with lower relative dielectric constants and dissipation factors to achieve the performances that will enable future missions for satellite operators. Read More...

Measure career advancement by blowing your mind

If you can possibly finagle this opportunity, do it right now! Read More...

Meetup at Maker Faire!

My Smart Hat just reminded it's time to invite you to our 2nd annual Reader/Editor Meet-Up at the NY Maker Faire, held Sept. 26 & 27, at the New York Hall of Science. Please join me, and your fellow EDN readers for fun, fellowship and a chance to go backstage at some of the Faire's most interesting exhibitors. Read More...

IEEE Working Group to cover high-speed PCB measurements

IEEE Working Group P370 is investigating ways to standardize S-Parameter measurements for signal integrity using VNAs. Read More...

The real costs of failed design collaboration

The same old CAD tools & processes (electrical & mechanical) just don’t cut it anymore. Read More...

Silicon photonics: Will the hare finally catch the tortoise?

Silicon photonics is sort of like fusion energy, always right around the corner. But this time, it's for sure. 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...

DAC52 Cometh

DAC (the Design Automation Conference) is right around the corner, and I'm going. Here's a brief preview of what I expect to see, so chime in with suggestions. 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 integrity, or the interference between the two in high-speed designs, then DesignCon is the conference for you to show your work and get the feedback of your peers. Read More...

Complete the simulation of your ADC with IBIS

In the digital domain, the input/output terminals of the SAR-ADC, connecting digital chips and PCB traces fall into the digital simulation category. Read More...

Free PCB CAD redux

Good, free CAD is always interesting to try out. Here's yet another summary, including a new-to-me OS X package. 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...

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