AUSTRALIA'S DYNAMIC ELECTRONICS MONTHLY! $2.95* NZ $3.95 csT - 4 I L_ _ _ _ r ^ eti SEPTEMBER 1986 LOOKING AT ONE -CHIP MICRO'S REVIEWS: ICOM R7000 SCAN[ER smARTWORK CAD PACKAGE MAKE A MIDI MATRIX MICs: INVESTING IN AUSTRALIA Registered by Australia Post Publication No NBP0107 How to beat the high cost of cheap meters. You get what you pay for. So get the Fluke 70 Series. You'll get more meter for your money, whether you choose the affordable 73, the feature -packed 75 or the deluxe 77. All of them will give you years of performance, long after cheaper meters have pegged their fishhook needles for )FLUKE( 77 MULTIMETER the last time. That's because they're built to last, in- side and out. So they're tough to break. They don't blow fuses all the time. You don't Irruduulr.nr.bmdú even have to replace batteries as often. 0 And they're backed by a 3 10 20 30 -year warranty. Not the usual 1 -year. OFF V O RANGE. Of course, you may only care that the world -champion 70 Series combines digital and analog displays with more automatic features, greater accuracy and easier opera- 300mV tion than any other meters in their class. You may not care that they have a lower overall cost of ownership than all the other "bargain" meters out there. But just in case, now you know. .- In11 FROM THE WORLD LEADER A IN DIGITAL MULTIMETERS. FLUKE f 6 uMF1/9Ep 1 Mew., 300mA =pry kux COM bier. FLUKE 73 I t 1 FLUKE 75 FLUKE 77 .`,i+' á r Analog/digital display Analog/digital display Analog/digital display -null 1 a " ~ Volts. Wins, lOA diode `ohs, dmos.106, mA, Wlts. ohms. 106 mA lest diode test diode test Autorarlge Audible continuity Audible continuity 0.7% basic do accuracy Au/orange/range hold 'Touch Hold" hncion 2000+ hour battery life 0.5% basic do acCuravy Autotatttle/rarge hold 3 -year warranty 2000+ hour battery lite 03% base do accuracy 3 -year warranty 2000 .x battery lite 3 -year rarrcny Multipurpose holster Talk to your local distributor about Fluke ELMEASCO A.C.T. Actiec Ply Ltd (062) 80 6576 George Brown 80 4355 N.S.W. Ames Agency 699 4524 George Brown (02) 519 5855 Newcastle 69 6399 Bryan Catt Industries 526 2222 D.G.E. Systems (049) 69 1625 David Reid 267 1385 W F Dixon (049) 61 5628 Macelec (042) 29 1455 Ebson 707 2111 Selectro Parts 708 3244 Wood 427 1676 Geoff Instruments Pty. Ltd. N. TERRITORY Thew 8 McCann (089) 84 4999 QUEENSLAND L.E. Boughen 369 1277 Colourview Wholesale 275 3188 Fred Hoe 8 Sons 277 4311 Nortek (077) 79 8600 St Lucia Electronics 52 7466 N.S.W. 15 McDonald St, Mortlake. Tel: (02) 736 2888 Selectro Parts (Old) 394 2422 S. AUSTRALIA Protronics 212 3111 Trio Eiectrix 2126235 A.W.M. Wholesale TASMANIA VIC. 12 Maroondah Hwy, Ringwood. Tel: (03) 879 2322 George Harvey (003) 31 6533. (002) 34 2233 VICTORIA A.W.M. Electrical Wholesale Radio Parts 329 7888 G.B. Telespares 328 3371 Browntronics 419 3986 R.K.B. Agency OLD. 243 Milton Rd, Milton. Tel: (07) 369 8688 82 7704 A J Ferguson 347 6688 SIRS Sales (052) 78 1251 Mektronics 690 4593 W. AUSTRALIA Atkins Carlisle 321 0101 Dobbie Instruments S.A. 241 Churchill Rd, Prospect. Tel: (08) 344 9000 276 8888 Cairns Instrument Services 325 3144 Willis Trading 470 1118 W.A. 46-48 Kings Pk Rd, West Perth. Tel: (09) 481 1500 Ell READER SERVICE 1 EDITOR CONTENTS Jon Fairall B.A. EDITORIAL STAFF Mary Rennie B.A. S. K. Hui B.Sc. (lions), M.Eng.Sc. MIEEE, MIREE Neale Hancock B.E. SEPTEMBER DRAUGITING 1986 David Burrows DESIGNER Vicki Jones Electronics ART STAFF Ray Eirth ADVERTISING MANAGER Peter Hayes B.Sc. ADVERTISING PRODUCTION Brett Baker Today,' FEATURES READER SERVICES Carmel Triulcio Adelaide show time 26 ACOUSTICAL CONSULTANTS what's happening Louis Challis and Associates Round up of in Electronics '86 RF CONSULTANTS Associated Calibration Laboratories One chip micros 30 PUBLISHER Looking at developments and applications Michael Hannan MANAGING EDITOR Inside your computer 58 Leo Simpson B.Bus. The disk operating system HEAD OFFICE 180 Bourke Road, (PO Box 227, Waterloo, NSW Management Investment Companies 68 2017) Alexandria, NSW 2015. Innovator/investment interface Phone: (02) 693-6666. Telex: AA74488, FEDPUB. Labtam 74 Federal Facsimile: (02) 693-2842. Etching a position in the market ADVERTISING New South Wales Mark Lewis U. of H.K. (02) 693-6666 Getting it right 76 Victoria and Tasmania Philips' exacting standards of calibration Virginia Salmon (03) 662-1222 Queensland Peter Hayes (02) 693-6666 Radio spreads the word 86 South Australia and Northern Territory Gospel broadcasters are keen operators Dane Hansen (08) 212-1212 Western Australia Jim Wells (09) 481-3171 Atomic fusion 106 New Zealand Near realization John Easton, 79-6648 (Auckland) OFFICES FUSE launches Australia into space 108 New South Wales: The Federal Publishing Company, 180 Bourke Road, Alexandria, NSW The far ultraviolet spectrographic explorer means business 2015. Phone (02) 693-6666. Telex: AA74488 FEDPUB. Victoria and Tasmania: The Federal Publishing REVIEWS Company, 23rd Floor, 150 Lonsdale Street, Melbourne, Vic. 3000. Phone: (03) 662-1222. Buying the best Australian The Murray MA534 amplifier 90 Telex: AA34340, FEDPUB. South Australia and Northern Territory: John Fairfax & Sons, 101-105 Weymouth Street, Get smART smARTWORK CAD package 96 Adelaide, 5000. Phone (08) 212-1212. Telex: AA82930. Above beyond loom's R7000 102 Queensland: The Federal Publishing Company, and 26 Chermslde Street. Newstead, Old. 406. Phone: (07) 854-1119, Telex: AA145520. Western Australia: Jim Wells, John Fairfax & PROJECTS Sons, 454 Murray Street, Perth, WA 6000. Phone: (09)481-3171. ETI-611: MIDI matrix 38 New Zealand: 3rd Floor, Communications House, 12 Heather Street, Pamell, Auckland. PO Box ETI-1532: Soldering iron temperature controller 46 8770, Symonds St. 37-291. Telex NZ63122. Phone 396-096. (09) ETI-1605: Forth analogue card 52 J . '( 4Ú8111>Dx OFFERS ELECTRONICS TODAY INTERNATIONAL is published and distributed monthly by the watch competition 72 Electronics Division of the Federal Publishing AWA-ETI Seiko Company Pty Limited, 180 Bourke Road, ETI-TI one chip micro competition 19 Alexandria, NSW 2015 under licence from Double Bay Newspapers Ply Umited, General Newspapers Subscriptions offer 100 Ply Limited and Suburban Publications Ply Limited. Pnnted by Hannanprint, Sydney. Distributed by Magazine Promotions. 'Maximum and DEPARTMENTS recommended Australian retail price only. Registered by Australia Post, Publication No News Digest 9 Advertisers Index 75 NBP0407. ISSN No 0013-5216. COPYRIGHT° 1985, Double Bay Newspapers Pty Feed Forward 60 Minimart 88 Limited, General Newspapers Pty Limited and Suburban Publications Ply Limited (trading as New Products 78 Dregs 110 "Eastern Suburbs Newspapers"). COVER: Courtesy Intel. ETI September 1986 - 3 Satisfyingthe most- rigorous performance requirements - Peak performance in R.A.M. technology The F1600 is a 65,536 -bit fully static F asynchronous random access memory, -.1. ' ', 1 organized as 1 65,536 words by -bit, using . g .! . '.; c - high-performance CMOS technology. The .' F1600 is based on an advanced isoplanar oxide isolation process: fully -implanted iJ; F;1 Pt,.wft CMOS technology with sub -2 -micron .rte- , t design rules and high-performance 4 tantalum silicide interconnects. 1S.i''re taking the high ground. I ..., Y i. ° , t FAIRCHILD - , : . - ° A Schlumberger Company I. : r 14,11 11.4 z As . , o o .y !" .F,, . °_.,v 4 r Y rururrrrrrrrrrrrruururiirrrrrrr, U ` ^ ,.. ` A top performer- ! .Seeq's E2 PROM single chip microcomputer Todays'sself-adjusting carburettor is programmed to manage a car's air -fuel 44lt%1 mixture efficiently, no matter what the \111-711" rigours of the climate ... programmed with Seeq's E2 microcomputer, resúlting in a well -controlled engine running smoothly under all driving conditions. Scotchflex Click Plug Wherever self -adaptive, in -circuit or Connectors outperform the others remote reprogrammability are called for to Scotchflex Click Plug Connectors polarization without pin sacrifice. satisfy crucial performance requirements, provide mating compatability with Ejector/Latch Clip is attached to Click Seeq's 72720 E2 microcomputer Standard socket connectors bn 2.54mm x Plug Connectors'and you can easily addresses the challenge. 2.54mm grid spacing. Design applications withdraw Socket, and locking mechanism include use as a T -tap from a cable buss, is also available. Connectors are available a splice connector, or I/O and external with or without mounting flanges. interconnect application. Use of the aseo Polarizing Key 3516-J and Scothchflex ETI READER SERVICE 2 Socket Connector permits easy Scotchflex 31/1 R.A.E. Industrial Electronics Pty. Ltd. 62 Moore Street, Suite 203, . Alexander Chambers Austinmer, N.S.W. 2514 109 Alexander Street, 9 Alexander Street Telephone: (02) 232 6933 Crows Nest, N.S.W. 2065 Mt. Waverley,_Vic 3149 (042) 67 3722 Telephone: (02) 439 7599 Telephone: (03) 277 4033 Telex: AA29125 Telex: AA29125 - Telex: AA29125 Fax: 042 674791 Faz: 042 674791 Fax: 042 674791 60W SOLDERING S SYSTEM 1 Illuminated Temp. readout monitors 4 actual tip temperature. o IT 299 260u-\2I9 ' Select the tip '- I 1-1-.1.0,1 temp. required M11,1 " NEA7 OPE Burnproof & StG l 19989 LOCK Zero Voltage switching for . flexible lead, maximum component safety. Ceramic encapsulated element, +i for lowest, earth leakage. Floating earth model available 60 Watts of back-up power ::= - -- with plug-in -30W Pencil optional. lead and clip. MODEL: ETC60LFE I q00- INFiNITELY ADJUSTABLE 2OO-47O°C with zero voltage protection VAC .2 .o.V .24 SWITCHING POINT ihr ZERO VOLTS .24 VAC .24V 30 Watt Soldering Pendi is an Damaging Spikes and induced Screw type connector prevents optional tool to replace 60W tip voltages likely to damage accidental plug removal.