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<br /> Volume 117 · Issue 1899<br /> March 2011 · £4.60<br /> www.electronicsworld.co.uk<br /> THE ESSENTIAL ELECTRONICS ENGINEERING MAGAZINE<br /> SPECIAL<br /> REPORT:<br /> DESIGN WITH<br /> MCUS<br /> POWER<br /> SUPPLIES<br /> CLAMP SIZING<br /> TREND<br /> OPTICAL<br /> TRENDS<br /> FOR 2011<br /> SEE WHAT YOU MIGHT SPARK<br /> EMBRACING THE NEW PARADIGM<br /> DESIGNSPARK BY RS COMPONENTS<br /> TECHNOLOGY AUDIO TUTORIAL PRODUCTS<br /> ELECTRON ORBITS AUDIO TESTING NEW CHIPSETS,<br /> IN MULTILAYER WITH STANDARDS MODULES AND<br /> GRAPHENE IN MIND `SCOPES<br /> DISCOVERED<br /> ALSO <a title="Electronics World March 2011 page 1" href="http://viewer.zmags.com/publication/49a348e3?page=1"> Volume 117 · Issue 1899 March 2011 ·</a> <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> <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> <a title="Electronics World March 2011 page 6" href="http://viewer.zmags.com/publication/49a348e3?page=6"> TECHNOLOGY EW will so</a> <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> <a title="Electronics World March 2011 page 8" href="http://viewer.zmags.com/publication/49a348e3?page=8"> ADVERTORIAL High-tech design goes VIRTUAL RS</a> <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"> FOCUS LTE Indoors – Consolidating Network </a> <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"> FOCUS Axell Wireless's D-MBR repeater is power</a> <a title="Electronics World March 2011 page 13" href="http://viewer.zmags.com/publication/49a348e3?page=13"> EMBEDDED WORLD 2011 PREVIEW Embedded World Exhi</a> <a title="Electronics World March 2011 page 14" href="http://viewer.zmags.com/publication/49a348e3?page=14"> EMBEDDED WORLD 2011 PREVIEW HIGH-PERFORMANCE PI</a> <a title="Electronics World March 2011 page 15" href="http://viewer.zmags.com/publication/49a348e3?page=15"> DESIGN WITH MCUS Speech Generation using Pulse</a> <a title="Electronics World March 2011 page 16" href="http://viewer.zmags.com/publication/49a348e3?page=16"> DESIGN WITH MCUS Figure 2: Input amplifier and </a> <a title="Electronics World March 2011 page 17" href="http://viewer.zmags.com/publication/49a348e3?page=17"> DESIGN WITH MCUS Figure 4: Output filter Figure 5</a> <a title="Electronics World March 2011 page 18" href="http://viewer.zmags.com/publication/49a348e3?page=18"> DESIGN WITH MCUS Figure 6: Algorithm flow chart </a> <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 MCUS Using Ethernet In Embedde</a> <a title="Electronics World March 2011 page 21" href="http://viewer.zmags.com/publication/49a348e3?page=21"> DESIGN WITH MCUS Figure 4: Connecting the ENC28</a> <a title="Electronics World March 2011 page 22" href="http://viewer.zmags.com/publication/49a348e3?page=22"> DESIGN WITH MCUS Figure 6: The PC form Automa</a> <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> <a title="Electronics World March 2011 page 24" href="http://viewer.zmags.com/publication/49a348e3?page=24"> DESIGN WITH MCUS Figure 10: Serial Ethernet board</a> <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> <a title="Electronics World March 2011 page 26" href="http://viewer.zmags.com/publication/49a348e3?page=26"> POWER SUPPLIES Clamp SIZING Paul Lacey, App</a> <a title="Electronics World March 2011 page 27" href="http://viewer.zmags.com/publication/49a348e3?page=27"> POWER SUPPLIES Figure 2: Clamp types transferr</a> <a title="Electronics World March 2011 page 28" href="http://viewer.zmags.com/publication/49a348e3?page=28"> POWER SUPPLIES critical components (inc</a> <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> <a title="Electronics World March 2011 page 31" href="http://viewer.zmags.com/publication/49a348e3?page=31"> COMMUNICATIONS – PART 2 Figure 2: A turbo code</a> <a title="Electronics World March 2011 page 32" href="http://viewer.zmags.com/publication/49a348e3?page=32"> COMMUNICATIONS Figure 3: Decoding of convolut</a> <a title="Electronics World March 2011 page 33" href="http://viewer.zmags.com/publication/49a348e3?page=33"> COMMUNICATIONS requirement for large data sto</a> <a title="Electronics World March 2011 page 34" href="http://viewer.zmags.com/publication/49a348e3?page=34"> ON THE ROAD THE NEW MICRO-USB CHARGER Paving t</a> <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 TUTORIAL TESTING PORTABLE AUDIO PLAYERS F</a> <a title="Electronics World March 2011 page 37" href="http://viewer.zmags.com/publication/49a348e3?page=37"> AUDIO TUTORIAL Figure 3: HRTFs for the KEMAR 45B</a> <a title="Electronics World March 2011 page 38" href="http://viewer.zmags.com/publication/49a348e3?page=38"> AUDIO TUTORIAL Figure 5: Calibrating the microp</a> <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 COLUMN The Differential Gain Stage DIF </a> <a title="Electronics World March 2011 page 41" href="http://viewer.zmags.com/publication/49a348e3?page=41"> AUDIO COLUMN Figure 3: RV3 alternatives Figure </a> <a title="Electronics World March 2011 page 42" href="http://viewer.zmags.com/publication/49a348e3?page=42"> USB DESIGN PROJECTS Adding a USB Flash Drive to a</a> <a title="Electronics World March 2011 page 43" href="http://viewer.zmags.com/publication/49a348e3?page=43"> USB DESIGN PROJECTS commands and data are ASCII;</a> <a title="Electronics World March 2011 page 44" href="http://viewer.zmags.com/publication/49a348e3?page=44"> LETTERS MISLEADING CONCEPTS PLEA</a> <a title="Electronics World March 2011 page 45" href="http://viewer.zmags.com/publication/49a348e3?page=45"> SUBSCRIBE TO AND SAVE 13% ...AND receive a</a> <a title="Electronics World March 2011 page 46" href="http://viewer.zmags.com/publication/49a348e3?page=46"> PRODUCTS EW will soon not be available through ne</a> <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> <a title="Electronics World March 2011 page 48" href="http://viewer.zmags.com/publication/49a348e3?page=48"> PRODUCTS/CLASSIFIED HARTING APPOINTS ROWSE ELECTR</a> <a title="Electronics World March 2011 page 49" href="http://viewer.zmags.com/publication/49a348e3?page=49"> Whether you're just getting started or looking fo</a> <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> <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>