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Wireless/Networking

Janine Love
Senior Editor
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.

Understanding layers in the JESD204B specification: A high speed ADC perspective, Part 2

Understanding layers in the JESD204B specification: A high speed ADC perspective---the data link and physical layers Read More...

Profiles in Design: Brice Achkir

“There is resistance to looking at things from a different angle, and, unfortunately that sometimes has a big consequence”—Brice Achkir Read More...

Top 5 things to know about wireless power design

Recent advances in components, chips, and system architectures allow engineers to readily implement wireless power into their devices. So, let’s examine the top five things to know about wireless power design. Read More...

Understanding layers in the JESD204B specification: A high speed ADC perspective, Part 1

In this two-part article, the author will help designers understand how high speed ADCs can properly use and understand how to use to your design advantage the JESD204B standard for the ADC to FPGA interface. Read More...

A visit to ARRL headquarters

I had a chance to visit the American Radio Relay League (ARRL) headquarters in Newington, CT. The ARRL is the national organization of radio amateurs in the U.S., and provides training, resources and representation of radio amateurs in Washington, D.C. Read More...

Clock tree design challenge

Case study: Latest advances in programmable clock generators lay the foundation for successful high-performance datacenter networking solution. This application example includes IDT’s VersaClock 5 programmable clock generator. Read More...

Low-loss compression of CPRI baseband data

Cut baseband IQ data rates in half with high-fidelity compression IP. Read More...

Internet of Things: Innovation Contests

To motivate solutions and ideas that can help improve our daily lives, Gemalto is sponsoring two separate competitions this year. Here's how to enter. Read More...

High speed signal generation applications: Critical requirements

In high speed signal generation applications bandwidth and resolution are the critical requirements Read More...

Two-port VNA takes just one PXIe slot

Keysight's M937XA series of six VNAs use just one slot in a PXIe chassis, letting you build an automated test station for both consumer and military products. Read More...

GaN on silicon or SiC?

MACOM’s Doug Carlson reflects on GaN Technology, offering an understanding of its two flavors. Read More...

Keysight AWG boasts 65 GSa/s

The M8195A arbitrary waveform generator targets optical, digital, RF, and aerospace/defense applications. Read More...

Ant-sized radios for IoT are EM powered

Tiny battery-less radios-on-a-chip that cost pennies to make are designed to serve as controllers or sensors for the 'Internet of Things.' Read More...

What is spread-spectrum technology?

Wireless 101: Alan Lowne of Saelig Company Inc. gives an introduction to what causes weakened radio waves in wireless transmissions – from industrial control to wireless microphones, and he explains spread-spectrum and antenna diversity techniques in this Wireless 101 article Read More...

What is 802.11ac, anyway?

IEEE 802.11ac is increasing data rates for wireless devices. Read More...

Next level of location awareness

Beacons allow smartphones to be precisely located indoors, which has possibilities for contextual advertising and more. Read More...

The difference between BER and BER

Bit-error rate and bit-error ratio are not the same, but we often think they are. Read More...

Profiles in Design: Brad Brim

Cadence's Brad Brim reflects on DesignCon and his 25 years in high-frequency and high-speed design Read More...

Ternary modulation for Class-D amps (Part 2)

An inherent problem with Class-D amplifiers is the noise generated by the harmonics of the signal. This paper discusses a software-centric noise reduction technique for a single tone which is required when a clean, single frequency is desired when driving an antenna. Read More...

Staggering rise in Internet traffic – forecast to pass one zettabyte in 2016

Video, the Cloud, and the Internet of Things are all driving the upward trajectory of data usage globally that will surely continue to rise past 2016. Read More...

>> SEE ALL

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...

Small, 915-MHz antenna beats monopole

A 915-MHz data-acquisition project required a small antenna, but the available antennas lacked the necessary characteristics: efficiency, compactness—that is, smaller than a standard 3-in. monopole—with adequate bandwidth, and with amenability to modeling by inexpensive NEC-2 antenna software. Read More...

Automotive link uses single wire

In the automotive industry, in which the goal is to produce cars with simpler, lighter wiring looms, any interface that uses just one wire instead of two offers a distinct advantage. The circuit in Figure 1 implements a bidirectional link using a single wire, with the car's chassis or ground conductor providing a negative return path. Read More...

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Instrument performs DOCSIS 3.1 protocol analysis

Contained in a 19-in., 4U rack-mount package, the Averna DP-1000 performs DOCSIS 3.0 and DOCSIS 3.1 protocol analysis for next-generation cable networks, allowing engineers to analyze, debug, maintain, and monitor local networks and Internet connections. Read More...

Two-port VNA takes just one PXIe slot

Keysight's M937XA series of six VNAs use just one slot in a PXIe chassis, letting you build an automated test station for both consumer and military products. Read More...

Linear Technology 16-Bit, 2.5Gsps DAC, 74dB SFDR

The high-speed digital to analog converter (DAC) is probably one of the most important links in the communications signal chain. Read More...

IoT dev kit enables rapid prototyping

Broadcom Corporation has introduced a development kit into its Wireless Internet Connectivity for Embedded Devices (WICED) family to enable developers to rapidly prototype ideas and concepts for IoT devices and applications. Read More...

Sub-1V BLE RF transceiver IP targets wearable sensors, IoT

CSEM (Switzerland) has announced IcyTRX-65, a 2.4-GHz silicon RF IP optimised for low power Bluetooth Smart (Bluetooth Low Energy) circuits. Read More...

>> SEE ALL

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...

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...

Inside a cellular femtocell

The solution to smartphone data traffic is a problem for femto-basestation designers. Read More...

Plugging hardware-based compression into a server

Prying Eyes gets an early look at a forthcoming PCIe-based hardware accelerator for the open-source GNU-zip algorithm. Read More...

Seeking the secrets of a satellite receiver

DirecTV set-top-box design focuses on modularity for the mass market. Read More...

Wireless USB in a dongle

A dongle that turns a USB port into a wireless base station has to exploit the greatest possible level of integration. Read More...

>> SEE ALL

Top 5 things to know about wireless power design

Recent advances in components, chips, and system architectures allow engineers to readily implement wireless power into their devices. So, let’s examine the top five things to know about wireless power design. Read More...

Clock tree design challenge

Case study: Latest advances in programmable clock generators lay the foundation for successful high-performance datacenter networking solution. This application example includes IDT’s VersaClock 5 programmable clock generator. Read More...

GaN on silicon or SiC?

MACOM’s Doug Carlson reflects on GaN Technology, offering an understanding of its two flavors. Read More...

What is spread-spectrum technology?

Wireless 101: Alan Lowne of Saelig Company Inc. gives an introduction to what causes weakened radio waves in wireless transmissions – from industrial control to wireless microphones, and he explains spread-spectrum and antenna diversity techniques in this Wireless 101 article Read More...

Bluetooth v4.1: What developers need to know

Here’s how the newest chips can take advantage of the latest version of Bluetooth technology’s new functionality Read More...

How to select flexible cable assemblies

With flexible cables instead of semi-rigid ones, assemblers can draw 2D knowing that when the cable is installed, it can be easily bent to fit correctly. But what should you look for in flexible cable? Read More...

Deliver at 100G: The impact of smart memory

With new developments in serial memory solutions, middleware systems can now buffer, process packets, and steer traffic to general purpose CPU arrays 2-10 times faster than previous 10G or 40G solutions. Read More...

5 guidelines for DPI development and deployment

Here are some ideas on how to navigate deep packet inspection (DPI) solutions in a network functions virtualization (NFV) and software defined networking (SDN) world. Read More...

Microwave product roundup: IMS2014

The IEEE MTT International Microwave Symposium took place in Tampa, FL. If you weren’t able to make the Expo, here are some products making news. Read More...

Improve 400 GbE and 100 GbE performance: Product How To

A look at the high efficiency GigaChip Interface and how to address the requirements of next-generation equipment with an intelligent memory architecture. The product example used is the MoSys 3rd Generation Bandwidth Engine IC. Read More...

Designing for IoT—Part IV—The Cloud

Some IoT systems may not need back end services, but the majority of the currently envisioned IoT systems rely on the collection, processing and usage of data by the IoT devices and for this, some form of Information Technology different than embedded systems is required Read More...

Designing for IoT—Part III—Internet Usage and Protocols

This segment looks at the Internet, its usage by IoT devices, and the existing and new Internet protocols supporting the explosive growth of this new industry. Read More...

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Ride control comes to your smartphone

While driverless cars are being discussed to make the commuting experience safer, the connected capability of new performance products are also enhancing enthusiasts' automotive experience. Read More...

A visit to ARRL headquarters

I had a chance to visit the American Radio Relay League (ARRL) headquarters in Newington, CT. The ARRL is the national organization of radio amateurs in the U.S., and provides training, resources and representation of radio amateurs in Washington, D.C. Read More...

Internet of Things: Innovation Contests

To motivate solutions and ideas that can help improve our daily lives, Gemalto is sponsoring two separate competitions this year. Here's how to enter. Read More...

Keysight AWG boasts 65 GSa/s

The M8195A arbitrary waveform generator targets optical, digital, RF, and aerospace/defense applications. Read More...

What is 802.11ac, anyway?

IEEE 802.11ac is increasing data rates for wireless devices. Read More...

Next level of location awareness

Beacons allow smartphones to be precisely located indoors, which has possibilities for contextual advertising and more. Read More...

The difference between BER and BER

Bit-error rate and bit-error ratio are not the same, but we often think they are. Read More...

DesignCon abstract reviews complete

An update on the technical program progress for DesignCon 2015. Read More...

Staggering rise in Internet traffic – forecast to pass one zettabyte in 2016

Video, the Cloud, and the Internet of Things are all driving the upward trajectory of data usage globally that will surely continue to rise past 2016. Read More...

The promise of the connected car

A recent forum at the Churchill Club in the San Jose area discussed the Connected Car and the practical realization of the phrase. Read More...

>> SEE ALL

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