Silicon ChipMarket Centre - January 1994 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Some Australian companies still do not give good service
  4. Book Store
  5. Feature: The World Solar Challenge by Brian Woodward
  6. Feature: Electronic Engine Management; Pt.4 by Julian Edgar
  7. Project: 40V 3A Variable Power Supply; Pt.1 by John Clarke
  8. Order Form
  9. Feature: Luxman A-371 Amplifier & D-351 CD Player by Leo Simpson
  10. Feature: Active Filter Design For Beginners by Elmo Jansz
  11. Project: A Switching Regulator For Solar Panels by Otto Priboj
  12. Project: Printer Status Indicator For PCs by Darren Yates
  13. Project: Simple Low-Voltage Speed Controller by Darren Yates
  14. Vintage Radio: Realism realised - the Precedent console receiver by John Hill
  15. Serviceman's Log: It was all a long time ago by The TV Serviceman
  16. Feature: Computer Bits by Darren Yates
  17. Back Issues
  18. Feature: Remote Control by Bob Young
  19. Project: Control Stepper Motors With Your PC by Marque Crozman
  20. Review: Kenwood's DCS-9120 Oscilloscope by John Clarke
  21. Product Showcase
  22. Notes & Errata: Solar-Powered Electric Fence, April 1993; UHF Remote Switch, December 1989 & August 1990
  23. Market Centre
  24. Advertising Index
  25. Outer Back Cover

This is only a preview of the January 1994 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.

Articles in this series:
  • Darwin To Adelaide On Solar Power (October 1993)
  • The World Solar Challenge (November 1993)
  • The World Solar Challenge (January 1994)
Articles in this series:
  • Electronic Engine Management; Pt.1 (October 1993)
  • Electronic Engine Management; Pt.2 (November 1993)
  • Electronic Engine Management; Pt.3 (December 1993)
  • Electronic Engine Management; Pt.4 (January 1994)
  • Electronic Engine Management; Pt.5 (February 1994)
  • Electronic Engine Management; Pt.6 (March 1994)
  • Electronic Engine Management; Pt.7 (April 1994)
  • Electronic Engine Management; Pt.8 (May 1994)
  • Electronic Engine Management; Pt.9 (June 1994)
  • Electronic Engine Management; Pt.10 (July 1994)
  • Electronic Engine Management; Pt.11 (August 1994)
  • Electronic Engine Management; Pt.12 (September 1994)
  • Electronic Engine Management; Pt.13 (October 1994)
Items relevant to "40V 3A Variable Power Supply; Pt.1":
  • Silicon Chip article scan, February 1994 - 40V 3A Variable Power Supply, Pt.2 (AUD $10.00)
  • Silicon Chip article scan, January 1994 - 40V 3A Variable Power Supply, Pt.1 (AUD $10.00)
  • 40V 3A Variable Power Supply PCB pattern (PDF download) [04202941] (Free)
  • Silicon Chip article scan, January 1994 - 40V 3A Variable Power Supply, Pt.1 (AUD $10.00)
Articles in this series:
  • 40V 3A Variable Power Supply; Pt.1 (January 1994)
  • 40V 3A Variable Power Supply; Pt.2 (February 1994)
Items relevant to "A Switching Regulator For Solar Panels":
  • 72W Switching Regulator for Solar Panels PCB pattern (PDF download) (Free)
Items relevant to "Printer Status Indicator For PCs":
  • DOS software for the Printer Status Indicator (Free)
  • Printer Status Indicator PCB patterns (PDF download) [06101941/2, 07101941] (Free)
Items relevant to "Simple Low-Voltage Speed Controller":
  • Simple Low-Voltage Speed Controller PCB pattern (PDF download) [09111931] (Free)
Items relevant to "Computer Bits":
  • Games Card Breakout PCB [07103941] (PCB Pattern, Free)
  • DOS software for Computer Bits, November 1993 & January/February 1994 (Free)
Articles in this series:
  • Experiments For Your Games Card (January 1992)
  • Computer Bits (November 1993)
  • Computer Bits (January 1994)
  • Computer Bits (February 1994)
  • Computer Bits (April 1994)
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)
Items relevant to "Control Stepper Motors With Your PC":
  • Silicon Chip article scan, January 1994 - Control Stepper Motors With Your PC (AUD $10.00)
  • DOS software for Stepper Motor Control (Free)
  • Stepper Motor PC Interface PCB pattern (PDF download) [07201941] (Free)
MARKET CENTRE Cash in your surplus gear. Advertise it here in Silicon Chip. ANTIQUE RADIO CLASSIFIED ADVERTISING RATES 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. _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ ANTIQUE RADIO RESTORATIONS: specialist restoration service provided for vintage radios, test equipment & sales. Service includes chassis rewiring, recon­ densering, 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 _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ 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. 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) ❏ 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 January 1994  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. ELECTRONIC CAD FOR DOS Zeus 2000SCH: $150 Parts Database: $30 Zeus 2000PCB: $200 Micro PCB: $80 Payment by cheque/mo. Add $5 postage. G. A. GEORGOPOULOS 34 Scouller St, Marrickville, NSW 2204. 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. PAT 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, NT 0821. PRINTED CIRCUIT BOARDS for the hobbyist. For service & enquiries contact: T. A. Mowles (08) 326 5590. CONTROL RELAYS, Robots, Radios or Railways from LPT1: of your XT to 486 PC. 64 bits. Fully expandible. Demo programs, flow charts, circuits, drivers in M.L. & Basic. Main PCB & software $35. Don McKenzie, 29 Ellesmere Crescent, Tullamarine 3043. Phone (03) 338 6286. MICROWAVE SYSTEM CATEL MWV2000 23GHz including baseband equipment; 2-channel expandible, never used; original value approx. $22,000 only $8000. SATELLITE DISH 1.5m AWA with Ku band LNC $220. PHASE­ TRACK LINIPLEX F1 PLL HF Rx 9 ch MEMORY & DRIVES PRICES AT DECEMBER 1ST, 1993 SIMM 1Mb x 3 70ns 1Mb x 9 70ns 4Mb (72-pin) 4Mb x 9 70ns 4Mb x 8 80ns $70 $82 $275 $250 $230 DRAM DIP 1 x 1Mb 256 x 4 1Mb x 4 70ns 70ns Z $8 $8 $35 IBM PS.2 50/55/70 70/35 90/95 2Mb 4Mb 4Mb $160 $275 $275 MAC 2Mb SI & LC 4Mb P’Book $130 $330 CO-PROCESSORS 387SX to 25 387DX to 33 $105 $105 LASER PRINTER HP with 4Mb $260 TOSHIBA T3200SX T44/6400 T5200 4Mb 4Mb 8Mb $360 $340 $680 SUN SPARC 10/20 16Mb $1100 DRIVES SEAG 42Mb 28ms $190 SEAG 130Mb 16ms $290 SEAG 452Mb 12ms $750 Sales tax 21%. Overnight delivery. Credit cards welcome. Ring for Latest Prices 1st Floor, 100 Yarrara Rd, PO Box 382, Pennant Hills, 2120. Tel: (02) 980 6988 Fax: (02) 980 6991 PELHAM 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 36 Regent St, Kensington, SA. Phone (08) 332 6513. LSB-DSB-USB crystal locked $400. SHURE M615 Equalisation Analyser (unused) $600. 3 off NAKAMICHI 1000 stereo cassette decks (service man­ual included) $750. NAKAMICHI HiCOMM II Noise Reduction System (as new) $65, dBX 11 122 Noise Reduction Unit $30, dBX 119 Compresser Expander $30, QUAD 405 Power Amplifier $150. Offers considered. Ron Beckett, 10 Gwandalan St, Emu Plains, NSW. AH (047) 35 6883; BH (02) 287 4918. TEST EQUIPMENT – COMPANY CLOSING DOWN Trio CS2070 4-Chan CRO with probes ...............................................$1000.00 Philips PM6456 FM MPX Signal Generator ..........................................$500.00 Philips PM5326 AM/FM RF Sig Gen & Sweep Oscillator ...................$1000.00 Philips AM/SSB 201 CB Transceiver inc. mic ........................................$100.00 Leader LMV181A AC Millivoltmeter ......................................................$150.00 Heath IG18 Sine/Square Audio Generator ...........................................$100.00 Yaesu FT200 Transceiver, inc. Mic & Speaker ......................................$300.00 All in good condition & in working order. Service manuals available for most items. Contact Norm Hughes on (018) 38 2288 96  Silicon Chip Advertising Index All Electronic Components..........67 Altronics ................................ 26-28 Antique Radio Restorations.........95 A-One Electronics........................49 Cebus Australia...........................59 Contan Audio...............................87 David Reid Electronics ................7 Dick Smith Electronics........... 12-15 D & K Wilson Electronics.............51 Harbuch Electronics......................7 Jaycar ........................ 33-35, 61-64 JV Tuners.....................................55 Kalex............................................87 Kenwood Australia.....................IFC PC Computers.............................96 Pelham........................................96 Peter C. Lacey Services..............56 Philips Test & Measurement......IBC RCS Radio ..................................95 Rod Irving Electronics .......... 74-79 Silicon Chip Back Issues....... 68-69 Silicon Chip Binders....................73 Silicon Chip Book Club..................3 Technical Applications.................91 Tektronix..................................OBC 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.