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Volume 116 · Issue 1888<br />
April 2010 · £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 REPORT<br />
RF AND MICROWAVE:<br />
CONSTRUCT A CUSTOM<br />
WI-FI ENABLED DEVICE<br />
EVOLUTION AND<br />
DEVELOPMENT OF MSA<br />
ANTENNAS<br />
GSM INDOOR POWER<br />
PROPAGATION<br />
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COMPONENTS <a title="Electronics World April 2010 page 1" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=1">Volume 116 · Issue 1888 April 20</a> Volume 116 · Issue 1888 April 20<a title="Electronics World April 2010 page 2" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=2"></a> <a title="Electronics World April 2010 page 3" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=3">CONTENTSREGULARS05 TREND ROHS2 SEEKS T</a> CONTENTSREGULARS05 TREND ROHS2 SEEKS T<a title="Electronics World April 2010 page 4" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=4"></a> <a title="Electronics World April 2010 page 5" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=5">TRENDROHS2 SEEKS TO MOVE THE DIRECTIVEFORWARD </a> TRENDROHS2 SEEKS TO MOVE THE DIRECTIVEFORWARD <a title="Electronics World April 2010 page 6" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=6"></a> <a title="Electronics World April 2010 page 7" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=7">TECHNOLOGYMorgan TechnicalCeramics In Pioneeri</a> TECHNOLOGYMorgan TechnicalCeramics In Pioneeri<a title="Electronics World April 2010 page 8" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=8">THE TROUBLE WITH RF...The Test-Jig TRAPMyk Dorm</a> THE TROUBLE WITH RF...The Test-Jig TRAPMyk Dorm<a title="Electronics World April 2010 page 9" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=9">even the final assembly details aren't properly t</a> even the final assembly details aren't properly t<a title="Electronics World April 2010 page 10" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=10">FOCUSCLOUD BUSTING:By Wim Nauwelaerts an</a> FOCUSCLOUD BUSTING:By Wim Nauwelaerts an<a title="Electronics World April 2010 page 11" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=11">networks and servers), providing for acomplete c</a> networks and servers), providing for acomplete c<a title="Electronics World April 2010 page 12" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=12">FOCUSprocessing can prove to be a Herculean</a> FOCUSprocessing can prove to be a Herculean<a title="Electronics World April 2010 page 13" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=13">presumption that jurisdictions outsidethe EU do </a> presumption that jurisdictions outsidethe EU do <a title="Electronics World April 2010 page 14" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=14">WI-FICustom Wi-Fi EnabledDEVICESThe goal</a> WI-FICustom Wi-Fi EnabledDEVICESThe goal<a title="Electronics World April 2010 page 15" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=15">WI-FIFigure 2: RN-134 diagramFigure 3: Te</a> WI-FIFigure 2: RN-134 diagramFigure 3: Te<a title="Electronics World April 2010 page 16" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=16">WI-FIFigure 4: Custom Wi-Fi device configuration</a> WI-FIFigure 4: Custom Wi-Fi device configuration<a title="Electronics World April 2010 page 17" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=17">WI-FIFigure 5: Wi-Fi prototype schematicphoto </a> WI-FIFigure 5: Wi-Fi prototype schematicphoto <a title="Electronics World April 2010 page 18" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=18">WI-FIFigure 7: CommandsFigure 8: Wi-Fi flow cha</a> WI-FIFigure 7: CommandsFigure 8: Wi-Fi flow cha<a title="Electronics World April 2010 page 19" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=19">Figure 9: Sample codeshown in Figure 13. The us</a> Figure 9: Sample codeshown in Figure 13. The us<a title="Electronics World April 2010 page 20" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=20">ANTENNASProfessor Stojce Dimov Ilcev from the Du</a> ANTENNASProfessor Stojce Dimov Ilcev from the Du<a title="Electronics World April 2010 page 21" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=21">ANTENNASFigure 2: Types of antennaswas s</a> ANTENNASFigure 2: Types of antennaswas s<a title="Electronics World April 2010 page 22" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=22">ANTENNASBasic Relations of Antennas Th</a> ANTENNASBasic Relations of Antennas Th<a title="Electronics World April 2010 page 23" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=23">where η = aperture efficiency and a = physical ap</a> where η = aperture efficiency and a = physical ap<a title="Electronics World April 2010 page 24" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=24">PORTABLE DESIGNComponents for WIRELESSApplicat</a> PORTABLE DESIGNComponents for WIRELESSApplicat<a title="Electronics World April 2010 page 25" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=25">PORTABLE DESIGNFigure 2: Modern handsets requ</a> PORTABLE DESIGNFigure 2: Modern handsets requ<a title="Electronics World April 2010 page 26" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=26">PORTABLE DESIGNthermal management i</a> PORTABLE DESIGNthermal management i<a title="Electronics World April 2010 page 27" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=27">PORTABLE DESIGNdifferent level of i</a> PORTABLE DESIGNdifferent level of i<a title="Electronics World April 2010 page 28" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=28">GSMPropagation Study of GSM Powerin Two Dime</a> GSMPropagation Study of GSM Powerin Two Dime<a title="Electronics World April 2010 page 29" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=29">GSMFigure 1: Robot kernel hardware used</a> GSMFigure 1: Robot kernel hardware used<a title="Electronics World April 2010 page 30" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=30">GSMFigure 2: Robot platform hardware used for </a> GSMFigure 2: Robot platform hardware used for <a title="Electronics World April 2010 page 31" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=31">source). If the computer transmits `1' (pin 14), </a> source). If the computer transmits `1' (pin 14), <a title="Electronics World April 2010 page 32" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=32">GSM/GPRSSMS-Based GSM/GPRSRemote Data-Loggi</a> GSM/GPRSSMS-Based GSM/GPRSRemote Data-Loggi<a title="Electronics World April 2010 page 33" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=33">GSM/GPRSFigure 2: SIM340ZGSM/GPRS mo</a> GSM/GPRSFigure 2: SIM340ZGSM/GPRS mo<a title="Electronics World April 2010 page 34" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=34">GSM/GPRSinformation, password (card PIN), phon</a> GSM/GPRSinformation, password (card PIN), phon<a title="Electronics World April 2010 page 35" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=35"> A GSM/GPRSdevelopment board(www.mikroe.com</a> A GSM/GPRSdevelopment board(www.mikroe.com<a title="Electronics World April 2010 page 36" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=36">GSM/GPRSFigure 8: The test system showing EasyPI</a> GSM/GPRSFigure 8: The test system showing EasyPI<a title="Electronics World April 2010 page 37" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=37">SUBSCRIBE TOAND SAVE13%...AND receive a</a> SUBSCRIBE TOAND SAVE13%...AND receive a<a title="Electronics World April 2010 page 38" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=38">SIGNAL PROCESSINGGetting the Most Out ofYou</a> SIGNAL PROCESSINGGetting the Most Out ofYou<a title="Electronics World April 2010 page 39" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=39">SIGNAL PROCESSINGFiguredemo b2: LTC2274 hig</a> SIGNAL PROCESSINGFiguredemo b2: LTC2274 hig<a title="Electronics World April 2010 page 40" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=40">SIGNAL PROCESSINGbroadband, any potential </a> SIGNAL PROCESSINGbroadband, any potential <a title="Electronics World April 2010 page 41" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=41">PLC/MCUPLC with PIC16F648AMicrocontroller </a> PLC/MCUPLC with PIC16F648AMicrocontroller <a title="Electronics World April 2010 page 42" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=42">PLC/MCUenable input E is defined</a> PLC/MCUenable input E is defined<a title="Electronics World April 2010 page 43" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=43">PLC/MCUFigure 7: The userprogram ofUZAM_plc_8i</a> PLC/MCUFigure 7: The userprogram ofUZAM_plc_8i<a title="Electronics World April 2010 page 44" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=44">DESIGNSINGLE CFOA-BASED VOLTAGE-MODE UNIVERSAL</a> DESIGNSINGLE CFOA-BASED VOLTAGE-MODE UNIVERSAL<a title="Electronics World April 2010 page 45" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=45">DESIGNFigure 3: Simulated frequency characteris</a> DESIGNFigure 3: Simulated frequency characteris<a title="Electronics World April 2010 page 46" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=46">PRODUCTSHAMEG INSTRUMENTSPRESENTS A NEWMEMBER</a> PRODUCTSHAMEG INSTRUMENTSPRESENTS A NEWMEMBER<a title="Electronics World April 2010 page 47" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=47">PRODUCTSCIRCULAR FIBRE OPTIC CON-NECTOR FOR MU</a> PRODUCTSCIRCULAR FIBRE OPTIC CON-NECTOR FOR MU<a title="Electronics World April 2010 page 48" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=48">PRODUCTSKONTRON ADVANCEDMCWITH QUAD-COREPERF</a> PRODUCTSKONTRON ADVANCEDMCWITH QUAD-COREPERF<a title="Electronics World April 2010 page 49" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=49">ADVERTISING ENQUIRIES CONTACT JOHN ON 020 7933 89</a> ADVERTISING ENQUIRIES CONTACT JOHN ON 020 7933 89<a title="Electronics World April 2010 page 50" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=50">LAST NOTE </a> LAST NOTE <a title="Electronics World April 2010 page 51" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=51"></a> <a title="Electronics World April 2010 page 52" href="http://viewer.zmags.co.uk/publication/a91aa72a?page=52"></a>