Silicon ChipMarket Centre - September 1993 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Remote control security is suspect
  4. Feature: Swiss Railways' Fast New Locomotives by Leo Simpson
  5. Project: Automatic Nicad Battery Charger by Warren Buckingham
  6. Project: Stereo Preamplifier With IR Remote Control; Pt.1 by John Clarke
  7. Order Form
  8. Project: Build A +5V To +/-12V DC Converter by Darren Yates
  9. Serviceman's Log: We have good news & we have bad news by The TV Serviceman
  10. Review: Test Equipment - The Handyscope by Darren Yates
  11. Project: An In-Circuit Transistor Tester by Darren Yates
  12. Feature: Amateur Radio by Garry Cratt, VK2YBX
  13. Product Showcase
  14. Project: Remote-Controlled Electronic Cockroach by John Clarke
  15. Feature: Remote Control by Bob Young
  16. Vintage Radio: Restoring an old valve tester by John Hill
  17. Back Issues
  18. Notes & Errata: Colour Video Fader, August 1993; Studio Twin 50 Stereo Amplifier, April-May 1992; Amateur Radio, August 1993
  19. Market Centre
  20. Advertising Index
  21. Outer Back Cover

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

You can view 29 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.

Items relevant to "Stereo Preamplifier With IR Remote Control; Pt.1":
  • IR Remote Control Stereo Preamplifier PCB patterns (PDF download) [01308931/2] (Free)
Articles in this series:
  • Stereo Preamplifier With IR Remote Control; Pt.1 (September 1993)
  • Stereo Preamplifier With IR Remote Control; Pt.2 (October 1993)
  • Stereo Preamplifier With IR Remote Control; Pt.3 (November 1993)
Items relevant to "Build A +5V To +/-12V DC Converter":
  • +5V to ±12V DC Converter PCB pattern (PDF download) [11109931] (Free)
Items relevant to "An In-Circuit Transistor Tester":
  • Silicon Chip article scan, September 1993 - Build An In-Circuit Transistor Tester (AUD $10.00)
  • In-Circuit Transistor Tester PCB pattern (PDF download) [04109931] (Free)
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)
Items relevant to "Remote-Controlled Electronic Cockroach":
  • Remote-Controlled Electronic Cockroach PCB patterns (PDF download) [08307931/2] (Free)
Articles in this series:
  • Remote Control (September 1993)
  • Remote Control (October 1993)
MARKET CENTRE Cash in your surplus gear. Advertise it here in Silicon Chip. ANTIQUE RADIO CLASSIFIED ADVERTISING RATES _____________ _____________ _____________ _____________ _____________ 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 on 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 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 it with your cheque or credit card details to: Silicon Chip Classifieds, PO Box 139, Collaroy, NSW 2097. Or fax the details to (02) 979 6503. _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ WEATHER FAX programs for IBM XT/ ATs *** “RADFAX2” $35 is a high resolution, shortwave weather 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 September 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 SIMM 1Mb x 3 70ns 1Mb x 9 70ns 4Mb (72-pin) 4Mb x 9 70ns 4Mb x 8 80ns $80 $95 $320 $270 $250 DRAM DIP 1 x 1Mb 70ns 256 x 4 70ns 1Mb x 4 Z DRIVES SEAG 42Mb SEAG 107Mb SEAG 130Mb SEAG 214Mb SEAG 261Mb 28ms 15ms 16ms 16ms 16ms $10 $8 $35 $190 $283 $290 $343 $390 IBM PS.2 50/55/70 70/35 90/95 2Mb 4Mb 4Mb $130 $320 $320 TOSHIBA T3200SX T44/6400 T5200 4Mb 4Mb 8Mb $340 $340 $680 MAC 2Mb SI & LC 4Mb P’Book $150 $330 CO-PROCESSORS 387SX to 25 $110 387DX to 33 $110 Laser PTR HP with 2Mb $203 Sales tax 21%. Overnight delivery. Credit cards welcome. UNUSUAL BOOKS: Electronic Devices, Fireworks, Locksmithing, Radar Invisibility, Surveillance, Self-Protection, Unusual Chem­ istry and more. For a complete catalog, send 95 cents in stamps to Vector Press, Dept S, PO Box 434, Brighton, SA 5048. PAY TV & SATELLITE Scrambling News Monthly, with the latest on de­ scrambling techniques & addresses, where to buy the latest descramblers. Send stamp for info. John Papp, Box 37885 Winnellie, NT 0821. ELECTRONIC COMPONENT KITS: 100s of capacitors and resistors with numerous switches, pots, transistors, clips and connectors. Limited number of kits at $120 each plus postage. COD only. Phone (07) 209 6874. INFRARED BINOCULARS: ex-NATO issue, with spare parts listing $500; American M24 tank infrared periscope, first time offered, very rare, collectors' item $600. Postage paid. Coming soon: Russian night vision gear. For more info. P. Samootin, PO Box 28, Berowra, NSW 2081. PEER TO PEER NETWORK SOFTWARE: for IBM PCs. The “$25 Network” Advertising Index Active Media Images ..................63 All Electronic Components ...........3 Altronics ................................ 30-32 Antique Radio Restorations.........95 A-One Electronics.................. 38-39 Av-Comm.....................................65 David Reid Electronics ..............23 Dick Smith Electronics........... 12-15 Ring for Latest Prices Electronic Fault Info. ...................63 1st Floor, 100 Yarrara Rd, PO Box 382, Pennant Hills, 2120. Harbuch Electronics....................23 Tel: (02) 980 6988 Fax: (02) 980 6991 PELHAM Instant PCBs................................96 Jaycar ................................... 45-52 36 Regent St, Kensington, SA. Phone (08) 332 6513. THE HOMEBUILT DYNAMO: (plans) brushless, 1000 DC watt at 740 revs. $A85 postpaid airmail from Al Forbes, PO Box 3919 - SC, Auckland, NZ. Phone Auckland (09) 818 8967 any time. Rotor magnets (3700 gauss) kit now available. 96  Silicon Chip MEMORY & DRIVES PRICES AT OCTOBER 2ND, 1993 JV Tuners.....................................23 L. E. Chapman.............................89 Oatley Electronics....................9, 59 links 2 or 3 PCs via serial ports at up to 115K bps. Uses only 15K RAM. Only $40. “Little Big LAN” offers multi-user record locking, linking via serial, parallel and/or Arcnet cards, up to 250 nodes and print spooling. Only $95. Both support printer re-direction. Prices are for a whole network. Add $3 for postage in Australia. For more information, send SASE to GRANTRONICS, PO Box 275, Wentworthville 2145. Phone A/H (02) 631 1236. PC Computers.............................96 RADIOTRON DESIGNERS HANDBOOK: 4th Edition (Langford-Smith) 1498pp (see EA, July 93, p99). A few only, secondhand, complete, fair condition, $100 ea plus $10 p&p. Hurley POB 245/R, Blackburn, Vic. 3130. Phone (03) 899 6337. Silicon Chip Binders............IBC, 63 NICAD BATTERY Charger Conditioner Analyser. As featured in SILICON CHIP. September 1993. Complete kit $135.00. Built and tested $185. P&P $10. C.I.E., 524 Abernethy St, Kitchener, NSW 2165. Phone (049) 91 1389. A WORD IS ONLY worth a micro-picture. Need the full picture? Send $2 in stamps, cash or Jelly Beans for Don's MS-DOS Demo/Promo disk. Covers all of my hardware kit projects. Don McKenzie, 29 Ellsmere Crescent, Tullamarine 3043. Phone (03) 338 6286. Pelham........................................96 Peter C. Lacey Services..............40 Philips Test & Measurement....OBC RCS Radio ..................................95 Rockby Electronics .......................7 Rod Irving Electronics .......... 66-71 Silicon Chip Back Issues....... 90-91 Silicon Chip Order Form..............33 Technical Applications.................64 Tektronix....................................IFC Transformer Rewinds...................96 _________________________________ 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.