November 20, 2009
[TechView: Communications] Single-Chip Optical Transceiver Targets Motherboard Applications
Optical-fiber interfaces are the fastest but still expensive, especially for computers. Mountable on a printed-circuit board (PCB), Luxtera’s OptoPHY optical transceiver paves the way to breaking the one dollar per Gigabit/s cost barrier for faster interfaces in the near future. The OptoPHY transceivers use Luxtera’s CMOS process, which integrates the optics and electronics on a single chip.
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Louis E. Frenzel
November 19, 2009
[TechScope] California Approves TV Efficiency Regulations
The Consumer Electronics Association (CEA) responded harshly to new regulations issued by the California Energy Commission (CEC) that would regulate energy efficiency standards on televisions sold in California.
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Staff
November 16, 2009[TechView: Communications] Single-Chip Optical Transceiver Targets Light Peak Technology
The roadmap for communications divides into two primary paths wireless and optical. While copper cabling won’t go away, data rates keep increasing, making optical the best choice especially when distance exceeds a few meters. Optical is also getting cheaper and better each year. Recognizing this, Intel’s Light Peak technology targets consumer electronics, PC peripherals, and other short-range fast communications applications. It may...
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Louis E. Frenzel
November 16, 2009[TechView: Communications] 1-Gsample/s ADC FIts Advanced Wireless Applications
The Texas Instruments ADS5400 analog-to-digital converter (ADC) provides a 1-Gbit/s sample rate with a resolution of 12 bits. With its superior signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR), it’s ideal for extra-needy wireless applications like receivers for radar, electronic intelligence and jamming, and super-highspeed data acquisition. The ADS5400 offers an excellent SNR of 59 dBFS and 75-dBc SFDR in first...
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Louis E. Frenzel
November 16, 2009[Design View / Design Solution] Explore The Benefits Of High-Output Signal Generators In Your RF Test Setup
In RF testing, an essential attribute of every RF signal generator is the maximum output power it can supply to a device under test (DUT) while maintaining spectral purity and level accuracy. The ability to deliver a pure, accurate signal at +25 dBm or greater ensures improved measurement accuracy. Plus, it enables testing of extreme or unusual operating conditions. These capabilities can simplify the testing of high-power amplifiers, overcome...
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John S. Hansen
November 16, 2009[Lab Bench] Will Android Open The Set-Top Box?
Comcast’s final move to all-digital transmission in my area means I need a set-top box (STB) for all of my devices. This puts Comcast on par with other HDTV service providers such as Verizon and Dish Networks. Viewers can still get local channels via Comcast cable with a TV or HDTV tuner, but they’re just a fraction of all of the available channels. This doesn’t make much of a difference for viewers with one or two televisions. But I have a few more, ...
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William Wong
November 16, 2009[Electronic Design Products] 2D Communications Sheet Challenges 3D Trends
Last month, Teijin Fibers unveiled a 2D communication sheet that it says provides simple, secure wireless local-area network (WLAN) connections. According to the company, communications are rapidly migrating from 1D cable to 3D wireless topologies, while it forges development in the 2D domain. With the growing trend toward 3D communications, this 2D approach may seem like a step backward. But Teijin Fibers, which primarily designs and creates unique...
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Mat Dirjish
November 16, 2009[Electronic Design Products] Select Optimal Protection For Your VDSL-Based Telecom Circuits
A variety of over-current and overvoltage products are on the market for protecting VDSL telecommunications circuits. These include transformer line-side capacitors, transformer driver-side diodes, thyristors, gas discharge tubes (GDTs), electronic current limiters (ECLs), and combinations of all of these devices. To actively protect telecommunication systems, engineers need to understand the surges, the damage thresholds of VDSL drivers, and the...
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Paul Wiener
November 16, 2009[Engineering Essentials] Stars Of The Really Small Screen
Electronic addictions abound, due mainly to the surging popularity of gadgets like MP3 players and video games. In the face of this electronics mania, television remains a leading pastime. Even average viewers spend several hours a day watching the tube. But the type of viewing is changing. Instead of sitting in front of the latest LCD or plasma screen, viewers are on the go with their portable devices. New standards have been established, services are...
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Louis E. Frenzel
October 21, 2009
[Embedded in Electronic Design] Transceivers Boast More Automotive Interfaces
SMSC has expanded its TrueAuto offering with the USB83340 USB 2.0 transceiver with high-performance ESD protection and overvoltage protection up to 30 V. The LAN8930 10/100 three-port managed Ethernet switch has a pair of ports with PHYs and one MII interface.
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William Wong
October 20, 2009
[TechView: Communications] Low-Power Short-Range Radio IC Simplifies Product Wireless
Adding wireless capability has never been easier with RFM’s TRC105 transceiver, which covers from 300 to 510 MHz. It enables two-way wireless communications in a wide range of applications, including automated meter reading (AMR), medical, home and industrial automation, security systems, two-way remote keyless entry (RKE), automobile immobilizers, asset tracking systems, sports and recreation equipment, low-power two-way telemetry systems, wireless toys, and controlled entry/access.
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Louis E. Frenzel
October 13, 2009
[TechView: Communications] SoC Integrates DSL, Wi-Fi, And Cordless Phone Functionality
Integrating more circuits onto smaller pieces of silicon real estate, the system-on-a-chip (SoC) is becoming the new norm in semiconductor devices. Broadcom’s BCM6362 is riding that wave, with an ADSL2+ modem, an 802.11n wireless local-area network (WLAN) transceiver, a Digital Enhanced Cordless Telecommunications (DECT) cordless telephone circuit, and Voice over Internet Protocol (VoIP) in a single 65-nm device.
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Louis E. Frenzel
October 13, 2009
[TechView: Communications] Fast Crosspoint Switches Implement Migration To 10-Gbit Networking
If you’re designing core/metro routers, blade servers, network storage equipment, broadcast video routers, and other gear with physical-layer switches, you now can have a fast crosspoint switch to do the job. Vitesse Semiconductor’s VSC3314-11 and VSC3316 can switch, transmit, and recover high-speed signals over lossy PCBs, backplanes, and cable.
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Louis E. Frenzel
October 13, 2009
[TechView: Communications] Clock Generator Beats All Jitter Specs For Broadcast Video Apps
The highly integrated Si5324 clock IC from Silicon Laboratories is optimized for professional broadcast video applications. It replaces traditional multi-component video PLL solutions with a single clock IC while providing 80% less jitter than competing solutions. It's ideal for video capture, conversion, editing, display, and distribution equipment that must be synchronized within video studios.
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Louis E. Frenzel
October 8, 2009[Technology Report] All Hail OFDM
Virtually all major new wireless technologies, including WiMAX and LTE, are based on orthogonal frequency-division multiplexing (OFDM), which has emerged as the wireless spectral efficiency leader. As long as you have the spectrum, you can get more bits per hertz than almost any other technology. It also has an inherent way to implement an access scheme for multiple users. On top of that, it’s a great fit with multiple-input, multiple-output (MIMO),...
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Louis E. Frenzel
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