Silicon ChipMarket Centre - August 1993 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Pay TV will boost optical fibre technology
  4. Feature: The Keck Optical Telescope; Pt.2 by Bob Symes
  5. Project: Low-Cost Colour Video Fader by Darren & Gary Yates
  6. Project: A Microprocessor-Based Sidereal Clock by John Western
  7. Subscriptions
  8. Serviceman's Log: Little things can be big time wasters by The TV Serviceman
  9. Feature: Remote Control by Bob Young
  10. Project: Build A 60-LED Brake Light Array by Leo Simpson
  11. Vintage Radio: How to deal with block capacitors by John Hill
  12. Feature: Amateur Radio by James Morris, VK2GVA
  13. Order Form
  14. Product Showcase
  15. Project: The Southern Cross Computer by Peter Crowcroft & Craig Jones
  16. Back Issues
  17. Market Centre
  18. Outer Back Cover

This is only a preview of the August 1993 issue of Silicon Chip.

You can view 27 of the 96 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.

Articles in this series:
  • The Keck Optical Telescope Pt.1 (July 1993)
  • The Keck Optical Telescope; Pt.2 (August 1993)
Items relevant to "Low-Cost Colour Video Fader":
  • Low-Cost Colour Video Fader PCB pattern (PDF download) [02107931] (Free)
Articles in this series:
  • Remote Control (May 1993)
  • Remote Control (June 1993)
  • Remote Control (July 1993)
  • Remote Control (August 1993)
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)
MARKET CENTRE Cash in your surplus gear. Advertise it here in Silicon Chip. CLASSIFIED ADVERTISING RATES ANTIQUE RADIO Advertising rates for this page: Classified ads: $10.00 for up to 12 words plus 50 cents for each additional word. Display ads (casual rate): $20 per column centimetre (Max. 10cm). Closing date: five weeks prior to month of sale. To run your classified ad, print it clearly in the space below or on a separate sheet of paper, fill out the form & send both with your cheque or credit card details to: Silicon Chip Classifieds, PO Box 139, Collaroy Beach, NSW 2097. Or fax the details to (02) 979 6503. ANTIQUE RADIO RESTORATIONS: specialist restoration service provided for vintage radios, test equipment & sales. Service includes chassis rewiring, recondensering, valve testing & mechanical refurbishment. Rejuvenation of wooden, bakelite & metal cabinets. Plenty of parts – require details for mail order. About 1200 radios within 16,000 square feet. Two-year warranty on full restoration. Open Saturday 10am-4.30pm; Sunday 12.30-4.30pm. 109 Cann St, Bass Hill, NSW 2197 Phone (02) 645 3173 BH or (02) 726 1613 AH. _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ FOR SALE WEATHER FAX programs for IBM XT/ ATs *** “RADFAX2” $35 is a high resolution, shortwave fax, Morse & RTTY receiving program. Suitable for CGA, EGA, VGA and Hercules cards (state which). Needs SSB HF radio & Radfax decoder. *** “SATFAX” $45 is a NOAA, Meteor & GMS weather satellite picture receiving program. Needs EGA or VGA plus “WEATHER FAX” PC card. *** “MAXISAT” $75 is similar to SATFAX but needs 2Mb expanded memory (EMS 3.6 or 4.0) and 1024 x 768 SVGA card. All programs are on 5.25-inch or 3.5-inch disks (state which) & include documentation. Add $3 postage. Only from M. Delahunty, 42 Villiers St, New Farm, Qld 4005. Phone (07) 358 2785. ❏ Bankcard   ❏ Visa Card   ❏ Master Card Card No. ✂ Enclosed is my cheque/money order for $­__________ or please debit my RCS RADIO PTY LTD Signature­­­­­­­­­­­­__________________________ Card expiry date______/______ Name ______________________________________________________ Street ______________________________________________________ Suburb/town ___________________________ Postcode______________ RCS Radio Pty Ltd is the only company that manufactures and sells every PC board and front panel published in SILICON CHIP, ETI and EA. RCS Radio Pty Ltd, 651 Forest Rd, Bexley 2207. Phone (02) 587 3491 August 1993  95 TRANSFORMER REWINDS ALL TYPES OF TRANSFORMER REWINDS TRANSFORMER REWINDS Reply Paid No.2, PO Box 438, Singleton, NSW 2330. Ph: (065) 76 1291. Fax: (065) 76 1003. ICL 286 Board Kits All in one board with two serial, printer, IBM keyboard, high density floppy & IDE mono video interface. Up to 4Mb RAM, 80286-16cpu, MS-DOS compatible, 130 page manual, small size 170mm x 255mm. Max I/O kit for PCs, 7 relays, ADC, DAC, stepper driver, TTL inputs, with software $169 PC I/O card with 8255 chip 24 I/O lines programmable as inputs or outputs $69 1.5 watt AM broadcast transmitter XTAL locked $49 2.5 watt FM broadcast transmitter 88-108MHz. $49 Digi-125 audio power amp (over 19,000 sold since 1987) 50 watt/8 $14 125 watt/4 $19 New 200 watt/2 version $29 Infrared relay kit $9 Remote control tester $4 $299 Ampo little PC All in one NEC V40 CPU board, MS-DOS compatible, high density floppy. SCSI hard disk, 2 serial, printer, solid state hard disk, IBM keyboard interface, (4W), CMOS single +5V rail, up to 768Kb RAM, 384Kb ROM, 145mm x 250mm, 98page manual. $299 P.C. Computers MEMORY & DRIVES PRICES AT JULY 10th, 1993 SIMM 1Mb x 9 70ns 1Mb x 3 70ns 4Mb (72-pin) 4Mb x 9 70ns 4Mb x 8 80ns $63 $60 $245 $235 $210 DRAM DIP 1 x 1Mb 70ns $6.25 256 x 4 70ns $6.25 1Mb x 4 Z or D $26.00 DRIVES SEAG 42Mb SEAG 89Mb SEAG 107Mb SEAG 130Mb SEAG 214Mb 28ms 14ms 15ms 16ms 16ms $205 $292 $310 $335 $470 IBM PS.2 50/55/70 70/35 90/95 2Mb 4Mb 4Mb $145 $235 $235 TOSHIBA T3200SX T44/6400 T5200 T5200 4Mb 4Mb 2Mb 8Mb $265 $245 $150 $575 MAC 2Mb SI & LC 4Mb P’Book $110 $270 CO-PROCESSORS 387SX to 25 $110 387DX to 33 $110 Sales tax 20%. Overnight delivery. Credit cards welcome. All Electronic Components..........80 Altronics .....................IFC,63,76-78 Antique Radio Restorations.........95 A-One Electronics.................. 26-27 Boston Technology......................39 Cebus Australia...........................11 David Reid Electronics ................3 Ring for Latest Prices Dick Smith Electronics...14-17,OBC 1st Floor, 100 Yarrara Rd, PO Box 382, Pennant Hills, 2120. Emona Pty Ltd.............................11 Tel: (02) 980 6988 Fax: (02) 980 6991 PELHAM 36 Regent St, Kensington, SA. Phone (08) 332 6513. THE HOMEBUILT DYNAMO: (plans) brushless, 1000 watt at 740 revs. $A85 postpaid airmail from Al Forbes, PO Box 3919 - SC, Auckland, NZ. Phone Auckland (09) 818 8967 any time. Advertising Index Instant PCBs................................96 Jaycar ................................... 45-52 JV Tuners.....................................11 Oatley Electronics.....................5,89 PC Computers.............................96 UNUSUAL BOOKS: electronic devices, fireworks, locksmithing, radar invisibility, surveillance, self-protection, unusual chemistry and more. For a complete catalog send 95c in stamps to: Vector Press, Dept S, PO Box 434, Brighton SA 5048. Extra BASIC STAMP modules $66 incl p&p. Reprogram­ mable for reuse. For more info send SAE for data sheet & circuits. Quantity prices available. Bank­ card, Master, Visa or cheque with order. Parallax of USA products distributor & technical support in Australia. MicroZed Computers, PO Box 634, Armidale 2350. Fax (067) 728987. PAY TV & SATELLITE Scrambling News Monthly, with the latest on descrambling techniques & addresses, where to buy the latest descramblers. Send stamp for info. John Papp, Box 37885 Winnel­lie, N.T. 0821. GLOBAL ELECTRONIC SERVICES: kits; consultancy; sales & design. Please write/fax requirement to: Mr Lucas, PO Box 755, Saint Helier, Jersey JE4 8ZZ, Channel Islands (UK). Fax (0 534) 80570. Silicon Chip Back Issues........90,91 PRINTED CIRCUIT boards for the hobby­ist. For service & enquiries contact: T. A. Mowles (08) 326 5590. A 4Mb SIMM can now be used in my Printer Buffer kit and my PC Printer Port driven Z80 Micro Development board has a Basic Interpreter. Short form kit prices include postage. Buffer $52, Z80 Dev. $76, or send $2 for my 3.5-inch promo disk to Don McKen­zie, 29 Ellesmere Crescent, Tullamarine 3043. Phone (03) 338 6286. Transformer Rewinds...................96 _________________________________ SOLVE YOUR SMALL circuit development problems quickly, try this one. Parallax BASIC STAMP. A general purpose small circuit modu­le, it is really a 25 x 50mm board with a computer chip (4MHz PIC 16C56), EEPROM, 8 I/O sink 25mA or source 20mA board space includes 6 x 10 pad prototyping area. Has 216 type battery con­nections. Program it on a PC with our development kit which includes one BASIC STAMP $245 incl p&p. Commands in­ clude POT (crude A/D), PWM (crude D/A), BUTTON , SERIN, SEROUT, SOUND & SLEEP. 96  Silicon Chip WANTED Do you have a good circuit idea? If so, why not submit it for publication in Circuit Notebook and earn yourself some money? Send your idea to Silicon Chip Publications, PO Box 139, Collaroy Beach, NSW 2097. Pelham........................................96 Peter C. Lacey Services..............40 RCS Radio ..................................95 Resurrection Radio......................63 Rod Irving Electronics .......... 66-71 Silicon Chip Binders....................61 Silicon Chip Order Form..............75 Technical Applications.................81 PC Boards Printed circuit boards for SILICON CHIP projects are made by: • RCS Radio Pty Ltd, 651 Forest Rd, Bexley, NSW 2207. Phone (02) 587 3491. • Marday Services, PO Box 19-189, Avondale, Auckland, NZ. Phone (09) 828 5730. • H. T. Electronics, 35 Valley View Crescent, Hackham West, SA 5163. Phone (08) 326 5590.