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<br /> Volume 116 · Issue 1889<br /> May 2010 · £4.60<br /> www.electronicsworld.co.uk<br /> THE ESSENTIAL ELECTRONICS ENGINEERING MAGAZINE<br /> SPECIAL REPORT<br /> T&M:<br /> 5-MINUTE GUIDE TO<br /> CHIP-LEVEL AUDIO TEST<br /> - TESTING RDS-EQUIPPED<br /> FM RADIO RECEIVERS<br /> MORAL HIGH GROUND<br /> POWER FACTOR KEY TO AVOIDING HEADACHES<br /> TECHNOLOGY<br /> PAPER WITH<br /> MEMORY<br /> GIVEN BOOST<br /> GSM<br /> PROPAGATION STUDY<br /> OF GSM DIMENSIONS<br /> INDOORS – PART 2<br /> PRODUCTS<br /> MEASUREMENT SUITES,<br /> DRIVER ICS,CONNECTORS<br /> AND MUCH MORE<br /> ALSO IN THIS ISSUE: ANALYST COLUMN · ON THE BUG HUNT · DE<a title="Electronics World May 2010 page 1" href="http://viewer.zmags.com/publication/9515e0b8?page=1"> Volume 116 · Issue 1889 May 20</a> <a title="Electronics World May 2010 page 2" href="http://viewer.zmags.com/publication/9515e0b8?page=2"> </a> <a title="Electronics World May 2010 page 3" href="http://viewer.zmags.com/publication/9515e0b8?page=3"> CONTENTS REGULARS 05 TREND ALD: FR</a> <a title="Electronics World May 2010 page 4" href="http://viewer.zmags.com/publication/9515e0b8?page=4"> </a> <a title="Electronics World May 2010 page 5" href="http://viewer.zmags.com/publication/9515e0b8?page=5"> TREND ALD: FROM STRENGTH TO STRENGTH</a> <a title="Electronics World May 2010 page 6" href="http://viewer.zmags.com/publication/9515e0b8?page=6"> TECHNOLOGY Paper with a Memory Given Boost by Na</a> <a title="Electronics World May 2010 page 7" href="http://viewer.zmags.com/publication/9515e0b8?page=7"> TECHNOLOGY INVESTMENT IN ADVANCED MANUFACTURING </a> <a title="Electronics World May 2010 page 8" href="http://viewer.zmags.com/publication/9515e0b8?page=8"> QUARTERLY ANALYST COLUMN THE INDUSTRY'S LOST</a> <a title="Electronics World May 2010 page 9" href="http://viewer.zmags.com/publication/9515e0b8?page=9"> level to $70. With AMD now bloodied, bruised and </a> <a title="Electronics World May 2010 page 10" href="http://viewer.zmags.com/publication/9515e0b8?page=10"> ON THE BUG HUNT Source code</a> <a title="Electronics World May 2010 page 11" href="http://viewer.zmags.com/publication/9515e0b8?page=11"> </a> <a title="Electronics World May 2010 page 12" href="http://viewer.zmags.com/publication/9515e0b8?page=12"> THE TROUBLE WITH RF... Low data rate </a> <a title="Electronics World May 2010 page 13" href="http://viewer.zmags.com/publication/9515e0b8?page=13"> M48 packet contains about a hundred decoded bits </a> <a title="Electronics World May 2010 page 14" href="http://viewer.zmags.com/publication/9515e0b8?page=14"> ADVERTORIAL High Power Factor and the MORAL HI</a> <a title="Electronics World May 2010 page 15" href="http://viewer.zmags.com/publication/9515e0b8?page=15"> Figure 2: LM3445 with Passive PFC buying a low p</a> <a title="Electronics World May 2010 page 16" href="http://viewer.zmags.com/publication/9515e0b8?page=16"> LETTERS THE ZOBEL NETWORK – INSIDE In respons</a> <a title="Electronics World May 2010 page 17" href="http://viewer.zmags.com/publication/9515e0b8?page=17"> Automatic Windings Ltd Unit 40 W</a> <a title="Electronics World May 2010 page 18" href="http://viewer.zmags.com/publication/9515e0b8?page=18"> AUDIO TEST The 5-MINUTE GUIDE to Chip-Level A</a> <a title="Electronics World May 2010 page 19" href="http://viewer.zmags.com/publication/9515e0b8?page=19"> AUDIO TEST Audio Precision multichannel au</a> <a title="Electronics World May 2010 page 20" href="http://viewer.zmags.com/publication/9515e0b8?page=20"> AUDIO TEST of distortion crossover. Finally, if</a> <a title="Electronics World May 2010 page 21" href="http://viewer.zmags.com/publication/9515e0b8?page=21"> FM TEST Figure 1: FM radio test setup, wit</a> <a title="Electronics World May 2010 page 22" href="http://viewer.zmags.com/publication/9515e0b8?page=22"> FM TEST Figure 3: Pre-emphasis filters (50 and</a> <a title="Electronics World May 2010 page 23" href="http://viewer.zmags.com/publication/9515e0b8?page=23"> FM TEST Figure 5: RDS signal waveform in the S</a> <a title="Electronics World May 2010 page 24" href="http://viewer.zmags.com/publication/9515e0b8?page=24"> FM TEST 100% modulation (±75kHz deviation). T</a> <a title="Electronics World May 2010 page 25" href="http://viewer.zmags.com/publication/9515e0b8?page=25"> SUBSCRIBE TO AND SAVE 13% ...AND receive a</a> <a title="Electronics World May 2010 page 26" href="http://viewer.zmags.com/publication/9515e0b8?page=26"> T&M Jean-Louis Evans, Managing Director at TÜV Pr</a> <a title="Electronics World May 2010 page 27" href="http://viewer.zmags.com/publication/9515e0b8?page=27"> T&M Figure 2: More robust methods of assuring pr</a> <a title="Electronics World May 2010 page 28" href="http://viewer.zmags.com/publication/9515e0b8?page=28"> the production process 28 May 10 - Electr</a> <a title="Electronics World May 2010 page 29" href="http://viewer.zmags.com/publication/9515e0b8?page=29"> Figure 4: HALT takes a more practical approach </a> <a title="Electronics World May 2010 page 30" href="http://viewer.zmags.com/publication/9515e0b8?page=30"> GSM Propagation Study of GSM DIMENSIONS in In</a> <a title="Electronics World May 2010 page 31" href="http://viewer.zmags.com/publication/9515e0b8?page=31"> GSM Power in TWO Environments – Part 2 fie</a> <a title="Electronics World May 2010 page 32" href="http://viewer.zmags.com/publication/9515e0b8?page=32"> GSM Figure 3: Plan view (in metres) of the select</a> <a title="Electronics World May 2010 page 33" href="http://viewer.zmags.com/publication/9515e0b8?page=33"> Figure 5: Electric field strength (dB [µV/m]) ver</a> <a title="Electronics World May 2010 page 34" href="http://viewer.zmags.com/publication/9515e0b8?page=34"> GSM Figure 6: Three dimensional graph showing the</a> <a title="Electronics World May 2010 page 35" href="http://viewer.zmags.com/publication/9515e0b8?page=35"> ANTENNAS Professor Stojce Dimov Ilcev from the Du</a> <a title="Electronics World May 2010 page 36" href="http://viewer.zmags.com/publication/9515e0b8?page=36"> ANTENNAS Figure 1: Geometrical parameters of</a> <a title="Electronics World May 2010 page 37" href="http://viewer.zmags.com/publication/9515e0b8?page=37"> Ex = Ea · ej(ωt-kz+фa) and Ey = Eb · ej(ωt-kz+фb)</a> <a title="Electronics World May 2010 page 38" href="http://viewer.zmags.com/publication/9515e0b8?page=38"> ANTENNAS possible by a proper solution of spe</a> <a title="Electronics World May 2010 page 39" href="http://viewer.zmags.com/publication/9515e0b8?page=39"> PLC/MCU PLC with PIC16F648A Microcontroller </a> <a title="Electronics World May 2010 page 40" href="http://viewer.zmags.com/publication/9515e0b8?page=40"> PLC/MCU Table 2: The macro “encod_4_2_p_E” toget</a> <a title="Electronics World May 2010 page 41" href="http://viewer.zmags.com/publication/9515e0b8?page=41"> Table 4: The macro “encod_8_3_p_E” together with </a> <a title="Electronics World May 2010 page 42" href="http://viewer.zmags.com/publication/9515e0b8?page=42"> PLC/MCU Table 5: The macro “encod_dec_bcd_p” to</a> <a title="Electronics World May 2010 page 43" href="http://viewer.zmags.com/publication/9515e0b8?page=43"> PLC/MCU Table 6: The macro “encod_dec_bcd_p_E” </a> <a title="Electronics World May 2010 page 44" href="http://viewer.zmags.com/publication/9515e0b8?page=44"> DESIGN USE OF AN AGC AMPLIFIER AS A SOFT LIMIT</a> <a title="Electronics World May 2010 page 45" href="http://viewer.zmags.com/publication/9515e0b8?page=45"> resistor R12 can be adjusted to the needed amplit</a> <a title="Electronics World May 2010 page 46" href="http://viewer.zmags.com/publication/9515e0b8?page=46"> GMC Instrumentation - stand number F30 </a> <a title="Electronics World May 2010 page 47" href="http://viewer.zmags.com/publication/9515e0b8?page=47"> PRODUCTS ULTRA-SMALL XENON PHOTOFLASH DRIVER ICS</a> <a title="Electronics World May 2010 page 48" href="http://viewer.zmags.com/publication/9515e0b8?page=48"> PRODUCTS APD DIRECT PCB CONNECTOR ELIMINATES BO</a> <a title="Electronics World May 2010 page 49" href="http://viewer.zmags.com/publication/9515e0b8?page=49"> AMPSYS ELECTRONICS READIES THE ANTI- MULTIPATH FM</a> <a title="Electronics World May 2010 page 50" href="http://viewer.zmags.com/publication/9515e0b8?page=50"> LAST NOTE </a> <a title="Electronics World May 2010 page 51" href="http://viewer.zmags.com/publication/9515e0b8?page=51"> </a> <a title="Electronics World May 2010 page 52" href="http://viewer.zmags.com/publication/9515e0b8?page=52"> </a>