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Wireless/Networking

EDN Staff

A resources site and community for engineers involved in designing communications or networking-related products and systems. Find design tips, new product information and discussion on wired and wireless networking (Ethernet, ZigBee, Wi-Fi etc.), telecom (3G, 4G, LTE etc.), and application areas like the smart grid, smart homes, the Internet of Things, and cloud computing.

Heidi Barnes: DesignCon 2017 Engineer of the Year

An EE with experiences in RF, ATE, space electronics, signal integrity, power integrity, and simulation is a true DesignCon luminary worthy of this distinction. EDN's test & measurement editor Martin Rowe spoke with Heidi about the award, her career, and where she sees in the SP/PI industry going. Read More...

Xilinx fires a 5G solution shot across the bow of RF and data converter companies

Xilinx has embedded RF-class analog technology into their 16nm, all programmable MPSoC architecture. Read More...

Small spectrum analyzer uses both samples and sweeps

The MS2760A from Anritsu uses a combination of traditional and real-time techniques to produce bandwidths to 110 GHz. Read More...

DesignCon 2017 video: Expected and unexpected products

DesignCon 2017 included many products. Here are a few captured on video. Read More...

BERTScope talks to DUT through protocols

The Tektronix BERTScope BSX series of bit-error-ratio testers can communicate with PCIe and USB receivers so it knows their state during a test. Read More...

Rohde & Schwarz introduces 6 GHz oscilloscope at DesignCon 2017

The RTO2064 moves the company's RTO2000 a step higher in bandwidth, into medium-speed serial applications and EMI troubleshooting. Read More...

Vector signal analysis in an oscilloscope

See how a well-appointed oscilloscope can play the role of a complete vector-modulated-signal analysis system and experimentation laboratory. Read More...

DesignCon 2017: PAM4 measurements are solidifying, but remain in flux

Coming out of the annual "Case of the closed eye" panel was the conclusion that we have more to understand to get reliable 56 Gbps and higher speeds. Standards, while needed, are not the complete answer. Read More...

Network neutrality déjà vu

The last time this engineer faced data caps from a broadband provider, there were other options available, but now he’s stuck. Are you in the same boat? Read More...

RFID-enhanced CES badge helps you get to the show

Las Vegas Monorail multi-day passes are a great deal, and especially convenient when they're encoded on your CES badge ... when they work, that is. Read More...

What is op amp slew rate in a slew enhanced world?, Part 2

Part 2 of this series compares the exact peak dV/dT to the much more typically used 10% to 90% rise time as an estimate of required slew rate. Two examples will use these results to illustrate how they might be applied. Read More...

System models help correlate measurements to simulations

When measurements, especially in high-speed signal applications, don’t match measurements, you may need to include test probes and equipment in your models. Read More...

LTC Design Note: Uncompromised clocking solution for 16bit 2.5Gsps DAC

System performance & phase noise depend on clock as much as DAC quality. Read More...

Intel discusses 5G on the road to WRC-19

The recent Radio & Wireless Week conference highlighted the hardware and system solutions that will help facilitate the upcoming deployment of 5G. Read More...

Design with QDR-IV for high-performance networking systems, part 2

In part 2 of this series, we’ll cover important bus issues, such as bus turnaround, bus inversion, and address parity, when designing with QDR-IV. Read More...

December 1, 1995: EDN launches this site

EDN launched ednmag.com in December 1995. Eighteen years later, edn.com stood alone. Here's how it came about and what it looked like along the way. Read More...

Evaluate reference clocks for serial-data jitter specifications

Measurement techniques used for jitter don't let you predict how a reference clock will operate in a real application. Read More...

Five test and measurement predictions for 2017

Larry Desjardin makes his “Top 5” prediction of trends in test and measurement for 2017. Read More...

What is op amp slew rate in a slew-enhanced world?, Part 1

The concept of an available slew rate in op amps has become more challenging with today’s modern slew enhanced devices. Read More...

Maximize infotainment system design reuse with I2C GPIO expanders

I2C GPIO expanders provide a way to reuse existing design and add new feature sets to form an integrated automotive cockpit that combines infotainment and cluster systems. Read More...

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Splitting and arbiting a bidirectional serial bus

Serial buses like I2C are widespread. This Design Idea demonstrates ways of splitting each bidirectional line into two unidirectional ones – and why you might want to. Read More...

NRZ to AMI converter uses single supply

Convert serial data to AMI format with this simple Design Idea. Read More...

Monitor a differential pair for valid & fault conditions

Monitor the state of a differential communications line with this Design Idea. Read More...

Avago Tech Note: High-speed optocouplers enable industrial networks

Communicate at up to 25Mb/s over (e.g.) PROFIBUS. Read More...

LTC Design Note: Robust 10MHz reference clock input protection circuit and distributor for RF systems

Design a protected 10MHz reference input without degrading phase noise. Read More...

Postprocessing converts Spice to RF analyzer

Designers of RF and high-frequency products need a simulator that can predict noise figure at a given frequency, minimum noise figure, optimum reflection coefficient for noise, and noise resistance. Read More...

Simple circuit suits quadrature detection

A circuit generates an output voltage that you can measure to determine whether two sine waves have a quadrature relationship. Read More...

Low-cost RF synthesizer uses generic ICs

You can make an AM-band frequency synthesizer from standard components. Read More...

Achieve simple IR-data transmission from a PC’s serial port

By transmitting appropriate hex values from a PC's serial port to a pair of IR LEDs, a remote-control IR receiver can enable 38.4-kHz data transmission. Read More...

>> SEE ALL

Xilinx fires a 5G solution shot across the bow of RF and data converter companies

Xilinx has embedded RF-class analog technology into their 16nm, all programmable MPSoC architecture. Read More...

Small spectrum analyzer uses both samples and sweeps

The MS2760A from Anritsu uses a combination of traditional and real-time techniques to produce bandwidths to 110 GHz. Read More...

A soft whisper heard clearly: Getting automatic speech recognition right

Consumers want to speak commands to their automobiles, mobile devices, and wearables, but ambient noise can get those messages wrong. Read More...

RF attenuator offers 0 to 6 dB range

BroadWave’s Model 651-030-006 is a single-step, voltage-controlled programmable attenuator with a frequency range of DC to 1 GHz. Read More...

BERTScope talks to DUT through protocols

The Tektronix BERTScope BSX series of bit-error-ratio testers can communicate with PCIe and USB receivers so it knows their state during a test. Read More...

>> SEE ALL

Teardown: Dead GbE switch

Another day, another dead GbE switch. Maybe a decade of service is asking too much, but let's see what went wrong. Read More...

Teardown: Wireless keyboard and remote senses motion

The Mohu Channels wireless keyboard is also a remote control with motion-activated on-screen cursor capability; see how it works. Read More...

Teardown: Apple iPad Air packs faster A7

Apple's iPad Air packs a somewhat faster A7 processor but few other surprises. Read More...

Dissecting the Intel 710 Enterprise SSD

The design for this drive, which uses multilevel-cell NAND flash for primary storage, emphasized endurance, reliability, and power efficiency. Read More...

RFID-enhanced CES badge helps you get to the show

Las Vegas Monorail multi-day passes are a great deal, and especially convenient when they're encoded on your CES badge ... when they work, that is. Read More...

Teardown: Ethernet and EMP take out TV tuner

In this teardown we look for evidence that an EMP generated by a lightning bolt coupled to Ethernet cable, acted as an antenna, and zapped relevant ICs inside a TV tuner. Read More...

Dissecting Disney's MagicBand

Disney is no stranger to technology, but one of the really cool tools they've put out fairly recently is the MyMagic+ system or MagicBand. Read More...

The Nexus One: Google hits a smartphone home run

More than a year after its unveiling, the Nexus One remains a leading-edge product, and represents a substantial leap in capability beyond the T-Mobile G1. Read More...

Wireless high-definition video: silicon consolidation that's maximal

The Wireless Gigabit Alliance's 60-GHz-based high-definition wireless-video-transport scheme may be on the way, but SiBEAM's pioneering approach and multiple product generations are already on the scene. Read More...

Sony Ericsson’s Xperia X10 mini: the teardown skinny

Does this smartphone address the market need for a simpler handset that will make and take calls, handle e-mail and Web surfing, and fit comfortably into a normal-sized pocket? Read More...

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RFID-enhanced CES badge helps you get to the show

Las Vegas Monorail multi-day passes are a great deal, and especially convenient when they're encoded on your CES badge ... when they work, that is. Read More...

Design with QDR-IV for high-performance networking systems, part 2

In part 2 of this series, we’ll cover important bus issues, such as bus turnaround, bus inversion, and address parity, when designing with QDR-IV. Read More...

Maximize infotainment system design reuse with I2C GPIO expanders

I2C GPIO expanders provide a way to reuse existing design and add new feature sets to form an integrated automotive cockpit that combines infotainment and cluster systems. Read More...

Real world RS-485: Low power, low EMI

RS-485 is a well established serial interconnect for both point-to-point and multi-drop applications. Learn how to optimize your designs. Read More...

Design with QDR-IV for high-performance networking systems, part 1

In part 1 of this multi-part series, we’ll discuss the two types of QDR-IV memory, clocking, read/write operations, and banking. Read More...

The basics of Bluetooth Low Energy (BLE)

Bluetooth Low Energy is the intelligent, power-friendly version of Bluetooth wireless technology making smart gadgets compact, affordable, and less complex.  Read More...

Building wearables that sense, think, and communicate, part 2

In Part 2 of this series, additional design challenges for wearables, including field upgrade, energy harvesting, connectivity, and special features are discussed. Read More...

Building wearables that sense, think, and communicate, part 1

This series provides guidance in meeting the myriad design challenges of building interactive wearable devices. Part 1 will identify the challenges and offer help in the way of feature-rich MCUs. Read More...

Wireless networking will cover the world

The next 60 years in wireless will be more exciting than the last 60 years, with everything from 10G to intrusion tolerant networks and photonic Li-Fi. Read More...

Implementing Bluetooth Smart modules in industrial IoT applications

Bluetooth Smart technology is one of the easiest and most cost-effective ways to implement IoT. Read More...

2D semiconductors take aim at optical communications

Developments in the lab offer glimpses of a technology that could change the future of high-performance optical links. Read More...

Flexible RF Front End Designs for Mid-Tier and Regional Smartphones

New flexible design techniques are shortening development times and increasing design reuse as mobile phone standards proliferate. Read More...

>> SEE ALL

Heidi Barnes: DesignCon 2017 Engineer of the Year

An EE with experiences in RF, ATE, space electronics, signal integrity, power integrity, and simulation is a true DesignCon luminary worthy of this distinction. EDN's test & measurement editor Martin Rowe spoke with Heidi about the award, her career, and where she sees in the SP/PI industry going. Read More...

DesignCon 2017 video: Expected and unexpected products

DesignCon 2017 included many products. Here are a few captured on video. Read More...

Vector signal analysis in an oscilloscope

See how a well-appointed oscilloscope can play the role of a complete vector-modulated-signal analysis system and experimentation laboratory. Read More...

DesignCon 2017: PAM4 measurements are solidifying, but remain in flux

Coming out of the annual "Case of the closed eye" panel was the conclusion that we have more to understand to get reliable 56 Gbps and higher speeds. Standards, while needed, are not the complete answer. Read More...

Network neutrality déjà vu

The last time this engineer faced data caps from a broadband provider, there were other options available, but now he’s stuck. Are you in the same boat? Read More...

Intel discusses 5G on the road to WRC-19

The recent Radio & Wireless Week conference highlighted the hardware and system solutions that will help facilitate the upcoming deployment of 5G. Read More...

December 1, 1995: EDN launches this site

EDN launched ednmag.com in December 1995. Eighteen years later, edn.com stood alone. Here's how it came about and what it looked like along the way. Read More...

Five test and measurement predictions for 2017

Larry Desjardin makes his “Top 5” prediction of trends in test and measurement for 2017. Read More...

Near-field scanning: useful or misleading?

Near-field probes can help you find the source of emissions, but remember, not all fields propagate. Read More...

TE, Molex to dual-source high-speed connectivity products

Rivals will make it easier for engineers to specify connectors, modules, and cable assemblies. Read More...

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