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.

My Fitbit stopped playing with me

The fitness device market will be won by the products that engage us. Read More...

Inductive charging for the iPhone will enhance the market

The iPhone is said to be getting inductive charging capabilities, but where is the rest of the market? Read More...

Teardown: Fitness band hardware

This fitness band's feature set was elementary but adequate, and the hardware seemed sufficient, but the product stumbled when it came to the associated software. Read More...

The Arrow Quadro IoT Wi-Fi Kit: a faster route to success in the Internet of Things market

Sponsored content: The total available market for IoT devices is expected to double during the next three years. To accelerate their time-to-market, companies are turning to IoT kits to provide the essential building blocks required for IoT development efforts. Read More...

Lowest power. Most flexibility. Built-in security. [Mic drop]

Sponsored content: Cypress’ PSoC 6 MCU is aiming to bridge the gap between power-heavy application processors and performance-lite microcontrollers to target a wide array of IoT applications. Read More...

Taking Roku on the road

With Roku's Hotel and Dorm Connect, there is a good use for Roku devices' Wi-Fi Direct facilities, although they still insist on spectrum-squatting. Read More...

Design with QDR-IV for high-performance networking systems, part 3

The final part of this series will cover deskewing, including error correction codes and design recommendations for QDR-IV memory controllers. Read More...

High-speed signals jump over PCB traces

A class of interconnects bypasses the losses that occur in PCB traces, improving signal integrity. Read More...

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 spoke with Barnes 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...

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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...

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Scope option tackles 1000Base-T1

Option RTO-K87 for the Rohde & Schwarz RTO2000 oscilloscope enables compliance testing of automotive 1000Base-T1 Ethernet interfaces. Read More...

Astronics upgrades tactical radio tester

EVM measurement and four additional functions enhance the Astronics’ CTS-6000 test set for field testing of military tactical radios. Read More...

CPRI analyzers display multiple traces

Anritsu has enhanced its CPRI RF field analyzers to address the requirements associated with testing high-speed LTE base stations. Read More...

Protocol analyzer adds impairment test

Teledyne LeCroy’s SierraNet M328 analyzer provides error-injection and jamming for 25/50/100G Ethernet and 32/128G Fibre Channel traffic. Read More...

Bluetooth 5 SoC maximizes battery life

A multiprotocol, Bluetooth 5-certified radio Soc, On Semiconductor’s RSL10 requires just 62.5 nW in deep sleep mode and 7 mW in receive mode. Read More...

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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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Design with QDR-IV for high-performance networking systems, part 3

The final part of this series will cover deskewing, including error correction codes and design recommendations for QDR-IV memory controllers. 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...

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...

>> SEE ALL

My Fitbit stopped playing with me

The fitness device market will be won by the products that engage us. Read More...

Inductive charging for the iPhone will enhance the market

The iPhone is said to be getting inductive charging capabilities, but where is the rest of the market? Read More...

Help save a part of engineering history

The first house to have a telephone is up for sale. You can help turn it into a museum. Read More...

Taking Roku on the road

With Roku's Hotel and Dorm Connect, there is a good use for Roku devices' Wi-Fi Direct facilities, although they still insist on spectrum-squatting. Read More...

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 spoke with Barnes 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...

>> SEE ALL

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