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Volume 117 · Issue 1899<br />
March 2011 · £4.60<br />
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www.electronicsworld.co.uk<br />
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THE ESSENTIAL ELECTRONICS ENGINEERING MAGAZINE<br />
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SPECIAL<br />
REPORT:<br />
DESIGN WITH<br />
MCUS<br />
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POWER<br />
SUPPLIES<br />
CLAMP SIZING<br />
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TREND<br />
OPTICAL<br />
TRENDS<br />
FOR 2011<br />
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<br />
SEE WHAT YOU MIGHT SPARK<br />
<br />
<br />
<br />
EMBRACING THE NEW PARADIGM<br />
DESIGNSPARK BY RS COMPONENTS<br />
TECHNOLOGY <a title="Electronics World March 2011 page 1" href="http://viewer.zmags.com/publication/49a348e3?page=1">Volume 117 · Issue 1899 March 2011 ·</a> Volume 117 · Issue 1899 March 2011 ·<a title="Electronics World March 2011 page 2" href="http://viewer.zmags.com/publication/49a348e3?page=2"></a> <a title="Electronics World March 2011 page 3" href="http://viewer.zmags.com/publication/49a348e3?page=3">06 CO</a> 06 CO<a title="Electronics World March 2011 page 4" href="http://viewer.zmags.com/publication/49a348e3?page=4"></a> <a title="Electronics World March 2011 page 5" href="http://viewer.zmags.com/publication/49a348e3?page=5">TREND JDSU PREDICTS OPTICAL COM</a> TREND JDSU PREDICTS OPTICAL COM<a title="Electronics World March 2011 page 6" href="http://viewer.zmags.com/publication/49a348e3?page=6">TECHNOLOGY EW will so</a> TECHNOLOGY EW will so<a title="Electronics World March 2011 page 7" href="http://viewer.zmags.com/publication/49a348e3?page=7">order your copy directly from www.elctronicsworld</a> order your copy directly from www.elctronicsworld<a title="Electronics World March 2011 page 8" href="http://viewer.zmags.com/publication/49a348e3?page=8">ADVERTORIALHigh-tech design goes VIRTUALRS</a> ADVERTORIALHigh-tech design goes VIRTUALRS<a title="Electronics World March 2011 page 9" href="http://viewer.zmags.com/publication/49a348e3?page=9"></a> <a title="Electronics World March 2011 page 10" href="http://viewer.zmags.com/publication/49a348e3?page=10">FOCUSLTE Indoors – Consolidating Network </a> FOCUSLTE Indoors – Consolidating Network <a title="Electronics World March 2011 page 11" href="http://viewer.zmags.com/publication/49a348e3?page=11"></a> <a title="Electronics World March 2011 page 12" href="http://viewer.zmags.com/publication/49a348e3?page=12">FOCUSAxell Wireless's D-MBR repeater is power</a> FOCUSAxell Wireless's D-MBR repeater is power<a title="Electronics World March 2011 page 13" href="http://viewer.zmags.com/publication/49a348e3?page=13">EMBEDDED WORLD 2011 PREVIEWEmbedded World Exhi</a> EMBEDDED WORLD 2011 PREVIEWEmbedded World Exhi<a title="Electronics World March 2011 page 14" href="http://viewer.zmags.com/publication/49a348e3?page=14">EMBEDDED WORLD 2011 PREVIEWHIGH-PERFORMANCE PI</a> EMBEDDED WORLD 2011 PREVIEWHIGH-PERFORMANCE PI<a title="Electronics World March 2011 page 15" href="http://viewer.zmags.com/publication/49a348e3?page=15">DESIGN WITH MCUSSpeech Generation using Pulse</a> DESIGN WITH MCUSSpeech Generation using Pulse<a title="Electronics World March 2011 page 16" href="http://viewer.zmags.com/publication/49a348e3?page=16">DESIGN WITH MCUSFigure 2: Input amplifier and </a> DESIGN WITH MCUSFigure 2: Input amplifier and <a title="Electronics World March 2011 page 17" href="http://viewer.zmags.com/publication/49a348e3?page=17">DESIGN WITH MCUSFigure 4:OutputfilterFigure 5</a> DESIGN WITH MCUSFigure 4:OutputfilterFigure 5<a title="Electronics World March 2011 page 18" href="http://viewer.zmags.com/publication/49a348e3?page=18">DESIGN WITH MCUSFigure 6: Algorithm flow chart</a> DESIGN WITH MCUSFigure 6: Algorithm flow chart<a title="Electronics World March 2011 page 19" href="http://viewer.zmags.com/publication/49a348e3?page=19"></a> <a title="Electronics World March 2011 page 20" href="http://viewer.zmags.com/publication/49a348e3?page=20">DESIGN WITH MCUSUsing Ethernet In Embedde</a> DESIGN WITH MCUSUsing Ethernet In Embedde<a title="Electronics World March 2011 page 21" href="http://viewer.zmags.com/publication/49a348e3?page=21">DESIGN WITH MCUSFigure 4: Connecting the ENC28</a> DESIGN WITH MCUSFigure 4: Connecting the ENC28<a title="Electronics World March 2011 page 22" href="http://viewer.zmags.com/publication/49a348e3?page=22">DESIGN WITH MCUSFigure 6: The PC form Automa</a> DESIGN WITH MCUSFigure 6: The PC form Automa<a title="Electronics World March 2011 page 23" href="http://viewer.zmags.com/publication/49a348e3?page=23">DESIGN WITH MCUS Figure 8 shows the circu</a> DESIGN WITH MCUS Figure 8 shows the circu<a title="Electronics World March 2011 page 24" href="http://viewer.zmags.com/publication/49a348e3?page=24">DESIGN WITH MCUSFigure 10: Serial Ethernet board</a> DESIGN WITH MCUSFigure 10: Serial Ethernet board<a title="Electronics World March 2011 page 25" href="http://viewer.zmags.com/publication/49a348e3?page=25">x = LampX; y = LampY;x = x+'0'; y = y+'0';tx[3]</a> x = LampX; y = LampY;x = x+'0'; y = y+'0';tx[3]<a title="Electronics World March 2011 page 26" href="http://viewer.zmags.com/publication/49a348e3?page=26">POWER SUPPLIESClamp SIZINGPaul Lacey, App</a> POWER SUPPLIESClamp SIZINGPaul Lacey, App<a title="Electronics World March 2011 page 27" href="http://viewer.zmags.com/publication/49a348e3?page=27">POWER SUPPLIESFigure 2: Clamp typestransferr</a> POWER SUPPLIESFigure 2: Clamp typestransferr<a title="Electronics World March 2011 page 28" href="http://viewer.zmags.com/publication/49a348e3?page=28">POWER SUPPLIEScritical components (inc</a> POWER SUPPLIEScritical components (inc<a title="Electronics World March 2011 page 29" href="http://viewer.zmags.com/publication/49a348e3?page=29"></a> <a title="Electronics World March 2011 page 30" href="http://viewer.zmags.com/publication/49a348e3?page=30">COMMUNICATIONS Channel Processing </a> COMMUNICATIONS Channel Processing <a title="Electronics World March 2011 page 31" href="http://viewer.zmags.com/publication/49a348e3?page=31">COMMUNICATIONS– PART 2Figure 2: A turbo code</a> COMMUNICATIONS– PART 2Figure 2: A turbo code<a title="Electronics World March 2011 page 32" href="http://viewer.zmags.com/publication/49a348e3?page=32">COMMUNICATIONSFigure 3: Decoding of convolut</a> COMMUNICATIONSFigure 3: Decoding of convolut<a title="Electronics World March 2011 page 33" href="http://viewer.zmags.com/publication/49a348e3?page=33">COMMUNICATIONSrequirement for large data sto</a> COMMUNICATIONSrequirement for large data sto<a title="Electronics World March 2011 page 34" href="http://viewer.zmags.com/publication/49a348e3?page=34">ON THE ROADTHE NEW MICRO-USB CHARGERPaving t</a> ON THE ROADTHE NEW MICRO-USB CHARGERPaving t<a title="Electronics World March 2011 page 35" href="http://viewer.zmags.com/publication/49a348e3?page=35"></a> <a title="Electronics World March 2011 page 36" href="http://viewer.zmags.com/publication/49a348e3?page=36">AUDIO TUTORIALTESTING PORTABLE AUDIOPLAYERS F</a> AUDIO TUTORIALTESTING PORTABLE AUDIOPLAYERS F<a title="Electronics World March 2011 page 37" href="http://viewer.zmags.com/publication/49a348e3?page=37">AUDIO TUTORIALFigure 3: HRTFs for the KEMAR 45B</a> AUDIO TUTORIALFigure 3: HRTFs for the KEMAR 45B<a title="Electronics World March 2011 page 38" href="http://viewer.zmags.com/publication/49a348e3?page=38">AUDIO TUTORIALFigure 5: Calibrating the microp</a> AUDIO TUTORIALFigure 5: Calibrating the microp<a title="Electronics World March 2011 page 39" href="http://viewer.zmags.com/publication/49a348e3?page=39"></a> <a title="Electronics World March 2011 page 40" href="http://viewer.zmags.com/publication/49a348e3?page=40">AUDIO COLUMNThe Differential Gain Stage DIF</a> AUDIO COLUMNThe Differential Gain Stage DIF<a title="Electronics World March 2011 page 41" href="http://viewer.zmags.com/publication/49a348e3?page=41">AUDIO COLUMNFigure 3: RV3 alternativesFigure </a> AUDIO COLUMNFigure 3: RV3 alternativesFigure <a title="Electronics World March 2011 page 42" href="http://viewer.zmags.com/publication/49a348e3?page=42">USB DESIGN PROJECTSAdding a USB Flash Driveto a</a> USB DESIGN PROJECTSAdding a USB Flash Driveto a<a title="Electronics World March 2011 page 43" href="http://viewer.zmags.com/publication/49a348e3?page=43">USB DESIGN PROJECTScommands and data are ASCII;</a> USB DESIGN PROJECTScommands and data are ASCII;<a title="Electronics World March 2011 page 44" href="http://viewer.zmags.com/publication/49a348e3?page=44">LETTERSMISLEADING CONCEPTS PLEA</a> LETTERSMISLEADING CONCEPTS PLEA<a title="Electronics World March 2011 page 45" href="http://viewer.zmags.com/publication/49a348e3?page=45">SUBSCRIBE TOAND SAVE13%...AND receive a</a> SUBSCRIBE TOAND SAVE13%...AND receive a<a title="Electronics World March 2011 page 46" href="http://viewer.zmags.com/publication/49a348e3?page=46">PRODUCTSEW will soon not be available through ne</a> PRODUCTSEW will soon not be available through ne<a title="Electronics World March 2011 page 47" href="http://viewer.zmags.com/publication/49a348e3?page=47">order your copy directly from www.elctronicsworld</a> order your copy directly from www.elctronicsworld<a title="Electronics World March 2011 page 48" href="http://viewer.zmags.com/publication/49a348e3?page=48">PRODUCTS/CLASSIFIEDHARTING APPOINTS ROWSE ELECTR</a> PRODUCTS/CLASSIFIEDHARTING APPOINTS ROWSE ELECTR<a title="Electronics World March 2011 page 49" href="http://viewer.zmags.com/publication/49a348e3?page=49">Whether you're just getting started orlooking fo</a> Whether you're just getting started orlooking fo<a title="Electronics World March 2011 page 50" href="http://viewer.zmags.com/publication/49a348e3?page=50">LAST NOTE CHINA CONTINUES Throughout the la</a> LAST NOTE CHINA CONTINUES Throughout the la<a title="Electronics World March 2011 page 51" href="http://viewer.zmags.com/publication/49a348e3?page=51"></a> <a title="Electronics World March 2011 page 52" href="http://viewer.zmags.com/publication/49a348e3?page=52"></a>