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June 2011<br />
Volume 117<br />
Issue 1902<br />
£4.60<br />
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THE ESSENTIAL ELECTRONICS ENGINEERING MAGAZINE<br />
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Building An<br />
Inventive<br />
Community<br />
element 14 connects design<br />
engineers globally<br />
<br />
www.electronicsworld.co.uk<br />
Technology<br />
Scientists turn to alcohol<br />
for superconductivity<br />
Is There a High-Speed<br />
Race?<br />
Wi-Fi Direct vs Bluetooth High-Speed<br />
ULP RF<br />
Wireless connectivity<br />
that is mov<a title="Electronics World June 2011 page 1" href="http://viewer.zmags.com/publication/9c32afee?page=1">June 2011Volume 117Issue 1902£4.60</a> June 2011Volume 117Issue 1902£4.60<a title="Electronics World June 2011 page 2" href="http://viewer.zmags.com/publication/9c32afee?page=2"></a> <a title="Electronics World June 2011 page 3" href="http://viewer.zmags.com/publication/9c32afee?page=3">CONTENTS 03REGULARS05 TREND MOBI</a> CONTENTS 03REGULARS05 TREND MOBI<a title="Electronics World June 2011 page 4" href="http://viewer.zmags.com/publication/9c32afee?page=4"></a> <a title="Electronics World June 2011 page 5" href="http://viewer.zmags.com/publication/9c32afee?page=5">TREND 05MOBILE/WIRELESSWEATHERFORECASTFO</a> TREND 05MOBILE/WIRELESSWEATHERFORECASTFO<a title="Electronics World June 2011 page 6" href="http://viewer.zmags.com/publication/9c32afee?page=6">06 TECHNOLOGYJapanese Scientists Use Alcoho</a> 06 TECHNOLOGYJapanese Scientists Use Alcoho<a title="Electronics World June 2011 page 7" href="http://viewer.zmags.com/publication/9c32afee?page=7">TECHNOLOGY 07ELEMENT SIXLAUNCHES NEWGRADE </a> TECHNOLOGY 07ELEMENT SIXLAUNCHES NEWGRADE <a title="Electronics World June 2011 page 8" href="http://viewer.zmags.com/publication/9c32afee?page=8">08 ADVERTORIALSMOOTHING THE SUPPLY CHAINand</a> 08 ADVERTORIALSMOOTHING THE SUPPLY CHAINand<a title="Electronics World June 2011 page 9" href="http://viewer.zmags.com/publication/9c32afee?page=9"></a> <a title="Electronics World June 2011 page 10" href="http://viewer.zmags.com/publication/9c32afee?page=10">10 FOCUSWi-Fi Direct and Bluetoothhig</a> 10 FOCUSWi-Fi Direct and Bluetoothhig<a title="Electronics World June 2011 page 11" href="http://viewer.zmags.com/publication/9c32afee?page=11">FOCUS 11Figure 1: Wi-Fi Direct and Blu</a> FOCUS 11Figure 1: Wi-Fi Direct and Blu<a title="Electronics World June 2011 page 12" href="http://viewer.zmags.com/publication/9c32afee?page=12">12 THE TROUBLE WITH RF...That's o</a> 12 THE TROUBLE WITH RF...That's o<a title="Electronics World June 2011 page 13" href="http://viewer.zmags.com/publication/9c32afee?page=13"></a> <a title="Electronics World June 2011 page 14" href="http://viewer.zmags.com/publication/9c32afee?page=14">14 THE TROUBLE WITH RF...FORTUNATELY THE</a> 14 THE TROUBLE WITH RF...FORTUNATELY THE<a title="Electronics World June 2011 page 15" href="http://viewer.zmags.com/publication/9c32afee?page=15">HP8563E SPECTRUM ANALYSER9KHZ - 26.5GHZ Synthesi</a> HP8563E SPECTRUM ANALYSER9KHZ - 26.5GHZ Synthesi<a title="Electronics World June 2011 page 16" href="http://viewer.zmags.com/publication/9c32afee?page=16">16 ULTRA LOW POWER RFBRIGHT FUTURE FORU</a> 16 ULTRA LOW POWER RFBRIGHT FUTURE FORU<a title="Electronics World June 2011 page 17" href="http://viewer.zmags.com/publication/9c32afee?page=17">compact and inexpensive, but have limitedenergy </a> compact and inexpensive, but have limitedenergy <a title="Electronics World June 2011 page 18" href="http://viewer.zmags.com/publication/9c32afee?page=18">18 ULTRA LOW POWER RFTHE BLUETOOTH SIG HAS </a> 18 ULTRA LOW POWER RFTHE BLUETOOTH SIG HAS <a title="Electronics World June 2011 page 19" href="http://viewer.zmags.com/publication/9c32afee?page=19"> If a transceiver is aslee</a> If a transceiver is aslee<a title="Electronics World June 2011 page 20" href="http://viewer.zmags.com/publication/9c32afee?page=20">20 POWER CONVERSIONNEW BENCHMARK FOR SIZE</a> 20 POWER CONVERSIONNEW BENCHMARK FOR SIZE<a title="Electronics World June 2011 page 21" href="http://viewer.zmags.com/publication/9c32afee?page=21">Figure 3: PI3101 compared with a competing soluti</a> Figure 3: PI3101 compared with a competing soluti<a title="Electronics World June 2011 page 22" href="http://viewer.zmags.com/publication/9c32afee?page=22">22 POWER CONVERSIONFigure 7: DCZVS power t</a> 22 POWER CONVERSIONFigure 7: DCZVS power t<a title="Electronics World June 2011 page 23" href="http://viewer.zmags.com/publication/9c32afee?page=23">POWER CONVERSION 23Figure 10: DPA using fo</a> POWER CONVERSION 23Figure 10: DPA using fo<a title="Electronics World June 2011 page 24" href="http://viewer.zmags.com/publication/9c32afee?page=24">24 POWER CONVERSIONFigure 15: A module-bas</a> 24 POWER CONVERSIONFigure 15: A module-bas<a title="Electronics World June 2011 page 25" href="http://viewer.zmags.com/publication/9c32afee?page=25"></a> <a title="Electronics World June 2011 page 26" href="http://viewer.zmags.com/publication/9c32afee?page=26">26 POWER MANAGEMENT Figure 1: The gene</a> 26 POWER MANAGEMENT Figure 1: The gene<a title="Electronics World June 2011 page 27" href="http://viewer.zmags.com/publication/9c32afee?page=27">POWER MANAGEMENT 27ELEMENTS WITHIN THE WSN</a> POWER MANAGEMENT 27ELEMENTS WITHIN THE WSN<a title="Electronics World June 2011 page 28" href="http://viewer.zmags.com/publication/9c32afee?page=28">28 POWER MANAGEMENTENERGY SOURCE </a> 28 POWER MANAGEMENTENERGY SOURCE <a title="Electronics World June 2011 page 29" href="http://viewer.zmags.com/publication/9c32afee?page=29">POWER MANAGEMENT 29Figur</a> POWER MANAGEMENT 29Figur<a title="Electronics World June 2011 page 30" href="http://viewer.zmags.com/publication/9c32afee?page=30">30 POWER MANAGEMENTit is sometimes better </a> 30 POWER MANAGEMENTit is sometimes better <a title="Electronics World June 2011 page 31" href="http://viewer.zmags.com/publication/9c32afee?page=31">POWER MANAGEMENT 31</a> POWER MANAGEMENT 31<a title="Electronics World June 2011 page 32" href="http://viewer.zmags.com/publication/9c32afee?page=32">32 POWER MANAGEMENT The integrated max</a> 32 POWER MANAGEMENT The integrated max<a title="Electronics World June 2011 page 33" href="http://viewer.zmags.com/publication/9c32afee?page=33"> LLI LL TESTA N C </a> LLI LL TESTA N C <a title="Electronics World June 2011 page 34" href="http://viewer.zmags.com/publication/9c32afee?page=34">34 POWER SAVINGIN THIS ARTICLE, HÜSEYIN KU</a> 34 POWER SAVINGIN THIS ARTICLE, HÜSEYIN KU<a title="Electronics World June 2011 page 35" href="http://viewer.zmags.com/publication/9c32afee?page=35">technique, but the latter is better for tracking</a> technique, but the latter is better for tracking<a title="Electronics World June 2011 page 36" href="http://viewer.zmags.com/publication/9c32afee?page=36">36 POWER SAVINGFigure 4: Captured speedin</a> 36 POWER SAVINGFigure 4: Captured speedin<a title="Electronics World June 2011 page 37" href="http://viewer.zmags.com/publication/9c32afee?page=37">LIGHTING 37THE ELECTRONICSBEHIND LIGHTI</a> LIGHTING 37THE ELECTRONICSBEHIND LIGHTI<a title="Electronics World June 2011 page 38" href="http://viewer.zmags.com/publication/9c32afee?page=38">38 LIGHTINGyear – there would be a cost sa</a> 38 LIGHTINGyear – there would be a cost sa<a title="Electronics World June 2011 page 39" href="http://viewer.zmags.com/publication/9c32afee?page=39">LIGHTING 39 In light</a> LIGHTING 39 In light<a title="Electronics World June 2011 page 40" href="http://viewer.zmags.com/publication/9c32afee?page=40">40 USB DESIGN PROJECTSDEVELOPING VINCULU</a> 40 USB DESIGN PROJECTSDEVELOPING VINCULU<a title="Electronics World June 2011 page 41" href="http://viewer.zmags.com/publication/9c32afee?page=41">USB DESIGN PROJECTS 41THE MORECOMPREHEN</a> USB DESIGN PROJECTS 41THE MORECOMPREHEN<a title="Electronics World June 2011 page 42" href="http://viewer.zmags.com/publication/9c32afee?page=42">42 EMBEDDEDI n t</a> 42 EMBEDDEDI n t<a title="Electronics World June 2011 page 43" href="http://viewer.zmags.com/publication/9c32afee?page=43">ELECTRONICS WORLDIS NO LONGER AVAILABLE ON THE N</a> ELECTRONICS WORLDIS NO LONGER AVAILABLE ON THE N<a title="Electronics World June 2011 page 44" href="http://viewer.zmags.com/publication/9c32afee?page=44">44 TIPS `N' TRICKSIFig</a> 44 TIPS `N' TRICKSIFig<a title="Electronics World June 2011 page 45" href="http://viewer.zmags.com/publication/9c32afee?page=45">TIPS `N' TRICKS 45Table 1: Accuracy of cal</a> TIPS `N' TRICKS 45Table 1: Accuracy of cal<a title="Electronics World June 2011 page 46" href="http://viewer.zmags.com/publication/9c32afee?page=46">46 PRODUCTSFarnell First with NewRa</a> 46 PRODUCTSFarnell First with NewRa<a title="Electronics World June 2011 page 47" href="http://viewer.zmags.com/publication/9c32afee?page=47">PRODUCTS 47HDCP GMSL CHIPSET ENABLESSECURE</a> PRODUCTS 47HDCP GMSL CHIPSET ENABLESSECURE<a title="Electronics World June 2011 page 48" href="http://viewer.zmags.com/publication/9c32afee?page=48">48 PRODUCTS/CLASSIFIEDMyrra Transformers No</a> 48 PRODUCTS/CLASSIFIEDMyrra Transformers No<a title="Electronics World June 2011 page 49" href="http://viewer.zmags.com/publication/9c32afee?page=49">CLASSIFIED 49Whether you're just getting sta</a> CLASSIFIED 49Whether you're just getting sta<a title="Electronics World June 2011 page 50" href="http://viewer.zmags.com/publication/9c32afee?page=50">50 LAST NOTEEFFECTIVEICT REGULATIONCRITI</a> 50 LAST NOTEEFFECTIVEICT REGULATIONCRITI<a title="Electronics World June 2011 page 51" href="http://viewer.zmags.com/publication/9c32afee?page=51"></a> <a title="Electronics World June 2011 page 52" href="http://viewer.zmags.com/publication/9c32afee?page=52">Astute 01920 484838Farnell 08447 111111</a> Astute 01920 484838Farnell 08447 111111