Design Con 2015

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.

Envelope Tracking Modulator with quad power IC and FPGA control

Envelope tracking technology is a well-known method of improving the efficiency of RF amplifiers operating with rapidly varying signal amplitude. The voltage source in an envelope tracking system is modulated to keep the RF amplifier as close as possible to the compression, where the efficiency is at its maximum Read More...

B&B Electronics becomes B+B SmartWorx, redefines its I0T, M2M future

What do companies do that are respected in their market segment and then a game changer comes along—a truly disruptive force—so that how they’ve described themselves for years is no longer well, completely valid? Read More...

MD&M West steps up its game through Allied Electronics at Center Stage Gadget Freak event

This year, at MD&M West there will be a Gadget Freak Workshop presented by Allied Electronics in the Center Stage area of the Anaheim Convention Center. Read More...

Tips & Trends: Change (aka unscrambling IT, OT and IoT)

While this may at first blush look like an ad for a company—it speaks to a bigger issue and what will most likely become a trend. Does the footprint you’ve used for years still fit your IoT shoes? Probably not 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...

100G standards and measurements come to the forefront at DesignCon

In two short videos, EDN's Senior Technical Editor Martin Rowe talks with Chris Loberg about the current state of 100G standards and measurements. Read More...

GaN technology will transform the future

If we will look out 5 to 10 years we can easily see how a transformative change in semiconductor technology can transform our everyday world. Read More...

USB 3.1 testing: Start to finish, part 1

Learn the basics of transmitter and receiver testing for the latest version of USB, which operates at 10 Gbits/s. Read More...

A test method for synchronizing multiple GSPS converters

In this paper, two methods will be described; the use of deterministic latency or the use of control bits within the JESD204B interface data word. Read More...

GreenPeak CEO discusses Smart Home at CES 2015

Smart home is not as much about sensors as it is about learning and coaching. The Smart Home learns how we want to live and will then manage to make our life comfortable. Read More...

Green Screens & Ham (Apologies to Dr. Seuss)

Ham radio used to be a major gateway to engineering. Is it still? Read More...

Network lifecycle management and the Open OS

The bare-metal switch ecosystem and standards are maturing, driven by the Open Compute Project. Pica8’s Steve Garrision sees Linux-based network OS software as transforming network economics and innovation for switches, just as it has done for servers. Read More...

Circuit gates pulse train without truncating

This Design Idea accomplishes asynchronous gating without the worry of shortened pulses. Read More...

Implement a VXLAN-based network into an SoC

Here’s how to eliminate bottlenecks in hyperscale cloud datacenter SoCs with VXLAN-based networks over 10G Ethernet IP Read More...

5 Bluetooth devices for the body at CES

At a pre-CES Bluetooth event, wearables and fitness devices were the stars of the show, with a few neat medical applications making waves. 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...

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 integrity will have to change at the Case of the Closing Eye, opening night, DesignCon 2015. Read More...

Differential ADC driver design for power-optimized and space-constrained systems

This article focuses on the low power and low cost solution using a differential ADC driver for a space constrained 16-bit and 18-bit data acquisition systems, and highlights its key performance metrics. Read More...

Rapidly move wireless algorithms to prototypes

The LabVIEW Communications System Design Suite lets engineers quickly develop SDRs and prototype them. 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 Convention Center at DesignCon 2015, please cast your vote now! Read More...

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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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10Gb fiber-optic transceiver cuts power consumption

The TRX10GVP2010C1 is an 850-nm pluggable SFP+ transceiver from FCI that is fully compliant with 10Gb Ethernet and Fibre Channel signal transmission protocols and boasts a 50% to 70% reduction in power consumption compared to other market offerings. Read More...

Base-station simulator verifies emergency alert responsiveness

Three Carrier Acceptance Test (CAT) packages for Anritsu’s MD8475A signaling tester with SmartStudio Manager control software ensure that Commercial Mobile Alert System (CMAS) compatible wireless devices correctly receive emergency cell broadcast messages. Read More...

Pmod adapter brings wireless to Zynq-7000 SoC

The WiLink 8 WiFI, Bluetooth, and Bluetooth Low Energy (BLE) Pmod adapter from Avnet connects Texas Instruments’ WiLink 8 WL1835MODCOM8 (2.4 GHz) and WL1837MODCOM8I (5.0 GHz) wireless evaluation boards to Avnet’s Zed Series of development boards to add wireless connectivity to the board's Xilinx Zynq-7000 all-programmable SoC. Read More...

SDHC memory card boasts onboard NFC

Toshiba has unveiled its line of SDHC (Secure Digital High Capacity) memory cards with built-in NFC (near-field communication) capability, allowing smart-phone users to see what is stored inside their memory cards. Read More...

RF switch preserves signal integrity from DC to 8 GHz

A reliable alternative to problematic mechanical relays and MEMS switches, the PE42020 UltraCMOS integrated RF switch from Peregrine Semiconductor operates from 0 Hz to 8 GHz, while offering high power handling and good RF performance and linearity. Read More...

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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...

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...

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...

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Network lifecycle management and the Open OS

The bare-metal switch ecosystem and standards are maturing, driven by the Open Compute Project. Pica8’s Steve Garrision sees Linux-based network OS software as transforming network economics and innovation for switches, just as it has done for servers. Read More...

Marvell shrink-wraps IoT gateway product

Marvell came to the International CES to pitch a ready-to-customize home server/home networking/IoT gateway system, called “Smart Home Cloud Center.” Read More...

Implement a VXLAN-based network into an SoC

Here’s how to eliminate bottlenecks in hyperscale cloud datacenter SoCs with VXLAN-based networks over 10G Ethernet IP Read More...

5 Bluetooth devices for the body at CES

At a pre-CES Bluetooth event, wearables and fitness devices were the stars of the show, with a few neat medical applications making waves. Read More...

How to virtualize network functions

Here’s how to use network functions virtualization (NFV) to take network functions that sit in dedicated appliances and relocate them as virtual instances, leading to increased flexibility, reduced CapEx and OpEx, and increased innovation. Read More...

Envelope tracking makes CMOS PAs possible in 4G smartphones

A look at how to improve the efficiency of CMOS PAs using envelope tracking. Product data includes performance testing using products from Nujira and Peregrine Semiconductor. Read More...

Test challenges for USB 3.1 SuperSpeedPlus

Testing for USB 3.1 involves not only measuring traditional eye diagrams, but also RF analysis using spectrum analyzers, time domain reflectometry, transmission characterization using S-parameters, and the new requirement for loopback receiver testing. Here's how to do it. Read More...

Slash SoC power consumption in the interconnect

A modular approach to SoC interconnect slashes power consumption with unit-level clock gating. Read More...

Cross-phase signal coupling in powerline communication

In powerline communication (PLC), severe signal attenuation and considerable can affect the communication performance; here’s how to address that. Read More...

Mitigate cyber security hazards in smart grids

With the advent of smart grids, a "digital 9/11" is but waiting to happen, for these grids can easily fall prey to escalating cyber hazards. Read More...

S-parameters basics

S-parameters are a “frequency-domain” description of the electrical behavior of a network. Here’s an introduction to what they mean and how they are determined. Read More...

How to remove signal data artifacts

This Product How-To article explains how to remove signal data artifacts using a finite impulse response (FIR) notch filter and a Python-based math platform Read More...

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Celebrate Data Privacy Day

Wednesday Jan 28 is Data Privacy. Take time to reflect on the issues. Read More...

USB3 interferes with Wi-Fi capabilities

Is it worth it to be the world's first dual USB 3.0 router if it degrades the Wi-Fi capabilities? Read More...

B&B Electronics becomes B+B SmartWorx, redefines its I0T, M2M future

What do companies do that are respected in their market segment and then a game changer comes along—a truly disruptive force—so that how they’ve described themselves for years is no longer well, completely valid? Read More...

GaN technology will transform the future

If we will look out 5 to 10 years we can easily see how a transformative change in semiconductor technology can transform our everyday world. Read More...

Designer's Notebook: Hot & cold running oscillators

Being a light overview of ways to generate accurate frequencies. Read More...

Beating the heat: Not without a heat sink

A robustly-featured product hampered by a manufacturing defect is unfortunate, but continuing to sell such a product without fixing the flaw is shameful. Read More...

Green Screens & Ham (Apologies to Dr. Seuss)

Ham radio used to be a major gateway to engineering. Is it still? Read More...

Ericsson fires LTE over WiFi salvo

Ericsson's next-generation Radio Dot picocell base stations will be able to flexibly send data over licensed LTE or unlicensed 5GHz WiFi bands. 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 integrity will have to change at the Case of the Closing Eye, opening night, DesignCon 2015. 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 that will be given out at DesignCon. Read More...

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