Silicon ChipMarket Centre - June 1990 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: The big move: a new stage in our development
  4. Feature: Off-Shore Oil Platforms by Bryan Maher
  5. Feature: Fitting A Fax Card To Your PC by Jennifer Bonnitcha
  6. Vintage Radio: How to recognise AD/DC sets by John Hill
  7. Project: Multi-Sector Home Burglar Alarm by Greg Swain
  8. Project: Universal Stereo Preamplifier by John Clarke & Leo Simpson
  9. Subscriptions
  10. Serviceman's Log: You'll get a buzz out of this one by The TV Serviceman
  11. Project: A Speed Alarm For Your Car by Peter Gray
  12. Project: Load Protector For Power Supplies by John Clarke & Leo Simpson
  13. Feature: Computer Bits by Jennifer Bonnitcha
  14. Feature: Amateur Radio by Garry Cratt, VK2YBX
  15. Feature: Remote Control by Bob Young
  16. Market Centre
  17. Advertising Index
  18. Outer Back Cover

This is only a preview of the June 1990 issue of Silicon Chip.

You can view 49 of the 104 pages in the full issue, including the advertisments.

For full access, purchase the issue for $10.00 or subscribe for access to the latest issues.

Items relevant to "Universal Stereo Preamplifier":
  • Silicon Chip article scan, June 1990 - Unversal Stereo Preamplifier (AUD $10.00)
Articles in this series:
  • Computer Bits (May 1990)
  • Computer Bits (June 1990)
  • Computer Bits (July 1990)
  • Computer Bits (August 1990)
  • Computer Bits (September 1990)
Articles in this series:
  • Amateur Radio (November 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (February 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (January 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (February 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (July 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (January 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (January 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (January 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (February 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (January 1995)
  • CB Radio Can Now Transmit Data (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • Stressless Wireless (October 2004)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Dorji 433MHz Wireless Data Modules (January 2012)
Articles in this series:
  • Remote Control (October 1989)
  • Remote Control (November 1989)
  • Remote Control (December 1989)
  • Remote Control (January 1990)
  • Remote Control (February 1990)
  • Remote Control (March 1990)
  • Remote Control (April 1990)
  • Remote Control (May 1990)
  • Remote Control (June 1990)
  • Remote Control (August 1990)
  • Remote Control (September 1990)
  • Remote Control (October 1990)
  • Remote Control (November 1990)
  • Remote Control (December 1990)
  • Remote Control (April 1991)
  • Remote Control (July 1991)
  • Remote Control (August 1991)
  • Remote Control (October 1991)
  • Remote Control (April 1992)
  • Remote Control (April 1993)
  • Remote Control (November 1993)
  • Remote Control (December 1993)
  • Remote Control (January 1994)
  • Remote Control (June 1994)
  • Remote Control (January 1995)
  • Remote Control (April 1995)
  • Remote Control (May 1995)
  • Remote Control (July 1995)
  • Remote Control (November 1995)
  • Remote Control (December 1995)
CEN Cash in your surplus gear. Advertise it here in Silicon Chip. CLASSIFIED ADVERTISING COUPON Advertising rates for this page: Classified ads - $7 .00 for up to 15 words plus 40 cents for each additional word; Display ads (casual rate) - $20 per column centimetre (max. 10cm). Closing date: five weeks prior to month of sale. If you use a PO Box number, you must include your permanent address and phone number for our files. We cannot accept ads submitted without this information. To run your own classified ad, put one word on each of the lines below and send this form with your payment to: Silicon Chip Classifieds, PO Box 139, Collaroy Beach, NSW 2097. PLEASE PRINT EACH WORD SEPARATELY, IN BLOCK LETTERS FUJITSU MEMORY From Japans Largest Manufacturer of Computers the Quality you expect .. SIMM MODULES 1 Mb X 9 sons $115.00 DRAM 1 Mb X 1 sons $10.50 DRAM 256K X 4 SOns $10.50 • Add 20% Sales Tax / $5.00 P & P 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ($7.00) Name ...... .. .. .... ...... . .... ..... ... . . PACIFIC MICROELECTRONICS PTY. LTD. "CENTRAL PARK" UNIT A20, 4 CENTRAL AVENUE, THORNLEIGH N.S.W. 2120 PHONE : 02 481 0065 FAX : 02 484 4460 FUJITSU MICROELECTRONICS PACIFIC ASIA LTD. Street Postcode Suburb/Town Enclosed is my cheque or money order for $ D Bankcard D Visa Card D MasterCard Card No --1._ LI .1..-_L_....J...__.I_ _L__---'--------'--L__--'-- ' - - - ' - --'--- ' ----'--~ Signature ... SATFAX: NOAA, METEOR & GMS weather satellite picture receiving program for IBM XT/AT. Displays in 64 colours. Needs EGA colour monitor & card and "Weather Fax" PC card. $45 plus $3 postage. RADFAX2: HF WEATHER FAX, Morse & RTTY receiving program for IBM XT/AT. Needs CGA, SSB HF, FSK/tone decoder. Also "RF2HERC", "RF2EGA" & "RF2VGA", same as RADFAX2 but suitable for Hercules, EGA & VGA cards respectively . $35 plus $3 postage . FIX-A-KIT $20 PER HOUR LABOUR NO CHARGE FOR KITS THAT CAN'T BE REPAIRED 3 MONTHS WARRANTY ON REPAIRS CONSTRUCTION AVAILABLE HYCAL INSTRUMENTS DESIGN, MANUFACTURE, REPAIR OF ELECTRONIC EQUIPMENT (02) 633 5897 ... ....... or please debit my Card expiry date ..... ../. ...... . All programs are on 5.25-inch or 3.5-inch disc & include full documentation. Only from M. Delahunty, 42 Villiers St, New Farm, Old 4005. Phone (07) 358 2785. BELT KITS FOR VCRs. Please supply brand & model number & $1 2. 00 for each kit required . Prompt dispatch assured. James Cotterill, PO Box 44, Farrer, ACT 2607. SMARTWORK POST-PROCESSOR: if you own a HP? 4 7 5 or compatible flat bed plotter you can plot your own PCBs direct on blank board ready to etch. PP plots 1: 1 and mirror image. Only $99. PC Computers (08) 332 6513. BUILD A LOW-COST 280 microcontroller development system. Uses any PC/XT/ AT/386 or Z80 system as the host computer. Fast PC machine language cross assembler included. Super fast load to target system via MEMORY CHIPS Prices at May 1 st, 1990 Speed Chip type SIMMS 9 X 256 9 x 1Mb (MACS) 8 x 1Mb 9 x 1MbPS2 (IBM) SIPPS 9 X 256 9 x 1Mb 411000 DIP 414256 41256 41464(256) 4164 414256 (1 Mb) ZIP 41256 411000 (1 Mb) 4400 (4Mb) 120ns 100ns Prices (excluding 30.00 34.00 116.00 108.00 165.00 38.00 112.00 10.80 11.40 10.80 11 .80 2.85 3.40 3.40 2.70 3.00 13.50 4.40 12.80 13.20 BOns tax) 36.00 120.00 112.00 40.00 116.00 11 .80 12.20 3.95 3.95 15.00 98.00 sales Tax 20% Uvernlgnt delivery Credit cards welcom,: DISCOUNTS FOR DEALERS Phone for pricing on 70ns, 60ns, Toshiba, Compaq & Laser Printer PELHAM rel (OZ) 421 0011 - Fax (02) 418 6831 parallel printer port; eg, 8K ROM file in 3 seconds on standard 4.77MHz PC. Battery back-up on target system. For more info, send a 41 c stamp to Don McKenzie, 29 Ellesmere Crescent, Tullamarine 3043. LOGIC ANALYSER. Gould Instruments K40 stand alone analyser. Eight nonvolatile memories, ?-inch CRT, 4 x 2K sample memories, 2 x 16-channel, probes up to 100MHz, asynchronous capture. Weighs 7.7kg. $975.00. Import Technologies (07) 372 5138 . TOSHIBA LCD SCREEN. Originally to suit T1 500 desktop. 240 x 180mm, 640 x 200 pixels. Uses 5V supply & JUNE 1990 103 r~---------------------, FREEPOST SUBSCRIPTION COUPON To: Freepost 25, Silicon Chip Publications, PO Box 139 Collaroy Beach, NSW 2097, Australia. NO POST AGE STAMP REQUIRED IN AUSTRALIA. :- i New subscription □ Start in _ _ _ _ _ _ __ Renewal Name _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ (PLEASE PRINT) Street _ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ Suburb/town _ _ _ _ _ _ _ _ _ _ _ _ _ Postcode_ _ __ 1 year ( 1 2 issues) D $A42 Australia NZ & PNG (airmail) □ Overseas surface mail □ $A62 Overseas airmail D $A 1 20 2 years (24 issues) D $A84 D $A130 D $A130 D $A240 $A65 Enclosed is my cheque/money order for $ _ _ _ _ or please debit my iJ Bankcard Card No. [l Visa Card D MasterCard I'---"---'--~I~I ~I----'--_,__-'-- ] I I I.____.___,_--'-~ Signature __ __ __ __ __ __ L_ ___ ___ _ ___ __ _Card _ _expiry _ _date_~-_____ J r~---------------------, SILICON CHIP BINDERS Yes 1 Please send me _ _ _ _ SILICON CHIP binder(s) at $A 11.95 plus $ A3 p&p each (NZ p&p $A6). Name_ _ __ _ _ _ _ _ __ _ _ _ _ __ _ _ _ _ __ (PLEASE PRINT) Street ___________ _ _ _ _ __ _ _ _ _ _ __ Suburb/town _ __ __ _ _ _ ____ Postcode _ _ _ _ __ Enclosed is my cheque /money order for $ _ _ __ or please debit my i I Bankcard t I Visa Card L l MasterCard Signature _ _ __ _ _ _ _ __ __ Card expiry date _ __,,_ _ L-----------------~-----J TTL drive signals. Suit experimenter. $150 . Import Technologies (07) 372 5138. PUBLIC DOMAIN & shareware software for IBM & compatibles . Catalog disc $4.00 on 5.25-inch 360K or 3.5-inch 720K disc. Also TVREPAIR .TXT which covers faults in most popular brands. It can save hours of work. Just $29 inc. p/post. Martins Television Service, PO Box 1013, Taree, NSW 2430. 104 SILICON CHIP EPSON P80 PORT ABLE battery rechargeable 80-column printer. Serial interface . Very compact & light. 1.1 kg. Uses normal or thermal paper. $175. Import Technologies (07) 372 5138. TOSHIBA T3100 CO-PROCESSOR kit. This piggy-back board enables the fitting of an 8028 7 -8 to the early T31 00 . Two types available, solder in & plug in. Solder version $190 .00. Plug-in version $33q.00 . Import Technologies (07) 372 5138. Advertising Index Adilam Electronics ..... ...... .. . IFC Altronics .............. .... .. .... 46-49 Arista ...... ......... _..... ... ... ...... 99 Board Solutions_ .. __ ......... 58 ,59 David Reid Electronics ... .... ... 39 Dick Smith Electronics ..... 11 -1 7 Electronic Solutions ........ 7 4, 7 5 Elmeasco .. ... ....... .... ....... . OBC Geoff Wood Electronics .. .. .... 69 Harbuch Electronics ........... .. 53 Hycal Instruments ... .. ... ...... 1 03 Jaycar Electronics .... .. .... 26-29 80-83 Jiloa ...... ....... .... .. ...... .. ........ 97 J.V. Tuners .......... ....... ..... ... 53 Oatley Electronics ............... 37 Pacific Microelectronics ... .. . 103 PC Marketplace .. ... .... .. ........ 7 2 Pelham .... ..... .... .... ....... .... . 103 RCS Radio ........ .. .. ...... .. ..... . 91 Resurrection Radio .......... .... 23 Rod Irving Electronics ..... 92-95 Sheridan Electronics ...... .. .... 65 Silicon Chip Binders ......... ... IBC PC Boards Printed circuit boards for SILICON CHIP projects are made by: • Electronic Toy Services , 2/1 11 Glynville Drive, Hackham West , SA 5163 . Phone (08) 382 8919 . • Jemal Products, 5 Forge St, Welshpool, WA 6106 . Phone (09) 350 5555. • Marday Services, PO Box 19-189, Avondale, Auckland, NZ. Phone 88 5730 . • RCS Radio Pty Ltd , 651 Forest Rd, Bexley, NSW 2207. Phone (02) 587 3491 . PROJECT PCBs: ETI-DIGI 1 25 audio amp $9/pair, ETl-1623 IBM PIA card $39 .95 . 6502/Z-80/6800 miniprocessor $49 . PRE-BUil T AUDIO AMPS: 3.5W LM380 $20, LM1875 $30, 150W IC-150 $99, 300W IC-300 $179, 60W Valve-1 $99, 200W Valve-2 $199, Audio ToolkitTool-1 $69, FET-1 super quality stereo preamp $20, Bass & Treble $23. ROBOTICS: experimenter's kit. Includes IBM-PC controller, PSU, stepper motor, manual, software $99. Digital voice recorder TMS-334 7 chips $25. PC Computers, 36 Regent St, Kensington, SA. Phone (08) 332 6513.