Shock newś story Feature

A flourishing and competme Australian electronics factory has just been sold to Singapore. Read k hy in our exclusive story starting on page 20 . . , '

Switch-tuned radio

T6 -V 2. *

Heres a compact radio that’s really easy to tune — no fid-dling with tiny dialsf It all fits in a compact cassette case, and it’s easy to build_t as well. See page 58.

Special CAD feature

A bit vague about CAD? Our feature starting on page 94 will fili you in. CAD is great for drawing circuits or design ing PCBs.

15    NEW HOPE FOR THE UNEMPLOYED Electronics training

16    NEW LOGIC FAMILY DEVELOPED IN AUSTRALIA lt’s fast!

18 AN ELECTRIC MORRIS MINOR UTE! Built by SA enthusiast

20 AUSTRALIAN HI-TECH FACTORY SOLD TÓ SINGAPORE Exclusive 94 FEATURE: CAD, CAM, CAE AND CIM-The basie concepts 98 FEATURE: THE ROLES OF CAD IN ELECTRONICS An overview 102 FEATURE: CAD PRODUCTS & SERVICES Whafs new 112 HP’S 4951C PROTOCOL ANALYSER Exploring its wonders

Entertainment Electronics_

6 WHArS NEW IN ENTERTAINMENT ELECTRONICS l/ideo, audio 10 CARVER PM-175 & PM-350 REVIEWED “Magnehc field" amps 48 COMPACT DISC REVIEWS Mozart, Haydn, Rachmaninoff. . .

Projects and Technical_

40 THE SERVICEMAN A journey into unfamiliar territory 50 CIRCUIT & DESIGN IDEAS Wipe effects for video fader 58 SWITCH-TUNED RADIO IN A CASSETTE BOX Easy to build!

64 TELEPHONE TOYLAND How to find your way around . . .

66 SATELLITE SIREN Improve your homelcar security 70 LOW COST EXPERIMENTERS’ SUPPLY Simple dc safe 74 REFERENCE NOTEBOOK: The SCSI bus 89 THERMOCOUPLES WITHOUT TEARS — 1 Measure up to 900°C 110 SOLID STATE \JPDATE Low power audio amp chip

ON THE COVER

Sample screens from Protel, the very popular Australian-de-signed CAD software package available in modules for both schematic Circuit design and PCB routing (counesy HST Industries). See our CAD feature, starting on page 94.

News and Comment_

4    LETTERS TO THE EDITOR Loudspeaker kit problems

5    EDITORIAL A sad day for Australian electronics 26 FORUM CD error correction — good or bad?

30 NEWS HIGHLIGHTS Young Aussie's "talking hond"

46 SILICON VALLEY NEWSLETTER Chips & Technologies 116 NEW PRODUCTS Many developed in Australia 124 INFORMATION CENTRE Answers to ieaders* queńes

Departmentsl.

84 BOOK REVIEWS I 127 EA CROSSWORD PUZZLE 124 50 AND 25 YEARS AGO

128 MARKETPLACE 130 COMING NEXT MONTH 125 NOTES AND ERRATA