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. . . . TCENTRE Cash in your surplus gear. Advertise it here in Silicon Chip. ANTIQUE RADIO ANTIQUE RADIO restorations. Your one-stop radio repair shop. Specialising in restoring vintage radios, including chassis rewiring, re-condensing, quality new parts, valves, valve sockets, speakers, power & audio transformers. Secondhand radio dials & parts for most brands & models. About 400 radios in stock for sale, restoration & parts. Every restored wireless is covered by a 2year warranty on parts & labour. We restore damaged woodwork & cabinets & French polish (approx. 40 coats). Vintage car radios available for sale or restoration. Repairs done on tape decks. Open Sat. 10am-5pm; Sun. 12.30-5pm. 109 Cann St, Bass Hill, NSW 2197. Phone (02) 645 3173 BH or (02) 726 1613AH. 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, r----------------- -------7 CLASSIFIED ADVERTISING RATES I I Advertising rates for this page: Classified ads: $10.00 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. To run your classified ad, print it clearly in the space below or on a separate sheet of paper & send it 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. Enclosed is my cheque/money order for $_ _ _ _ or please debit my 0 Bankcard 0 Visa Card O Master Card Card No. Signature_ _ _ _ _ _ _ _ _ _ _ Card expiry date_ _~/_ __ Name _ _ _ _ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ __ Street _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ Suburb/town _ _ _ __ _ _ _ _ _ _ Postcode_ _ _ _ __ l I I I I SILICON CHIP SPRINKLER CONTROLLER KIT: get ready for summer with this very popular kit. Very reliable and versatile design can control eight stations and has 32 programmable START and RUN times (refer SILICON CHIP, July 1992). All settings stored in EEPROM. Can be expanded to 64 with the addition of extra memory chip and switch. Requires 24V AC to run. Complete kit including LCD & case $135 (incl. p&p}. Relays extra at $3.75 each (controller requires 9 for full kit). FROSl SWITCH KIT also available. Remote temperature probe starts the above controller in a fully programmable sequence, when temperature falls to a user selectable value (controller requires modified S/W). $60 incl. reprogramming and p&p. Available from Graham Blowes, 38 Garnet St, Niddrie, 3042. Phone (03) 337 1917 AH or (03) 575 3349 BH. Fax (03) 575 3369. SECURITY ALARM COMPONENTS: commercial quality alarm panels, de. teeters, cable, everything for complete alarm system. DIY kits. Discounted prices. 4-core alarm cable $35 per 100m. 2-core alarm cable (figure-8) $15 per 100m. PIR detectors pulse count $59 ea. Horn speakers $12.50 ea. Mail order service. Send SAE for free price list to Security Distributors, 141 Todds Rd, L.awnton, Old 4501. Phone (07) 882 0002. x I I I I I I I I I I L---------- ______________ J 102 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, Old 4005. Phone (07) 358 2785. THE HOMEBUILT DYNAMO: (plans) brushless, 1000 watt at 740 revs. $A85 postpaid airmail from Al Forbes, PO Box 3919 - SC, Auckland, New Zealand. Phone Auckland (09) 818 8967 anytime. 8051 MICROCOMPUTER PROTOTYPING PCB $30 - similar to my ROMLoader EA Jan 92. Provision for 8255 PPI, 9346 EEPROM, 2K-32K SRAM, 2K-32K EPROM, MAX232, DIP switches & expansion header. Send A4 SAE for article. Tantau, PO Box 206, Gordon 2072. NEW NOTEPAD Computer by Amstrad as advertised on TV. Z80B micro, Builtin Standard Parallel, Serial, Basic, Word Processor, Dictionary, Calendar, Diary, Address/Telephone book, World time clock/alarms, Calculator, PC File transfer. $390 inc post & ins. For more info send a 45c stamp to Don McKenzie, 29 Ellesmere Crescent, Tullamarine 3043. Phone (03) 338 6286. STEPDOWN POWER transformer. Atco 1kVA, 240VAC in, 11 0VAC output. $250. Phone (060) 31 3577 (Bus); (06) 24 1168 (AH). NICAD BATTERIES: D-size 4Ah. At less than half price it's the best deal in town. $4.90 each plus p&p. Phone (052) 78 8298. PAY ASIAN PRICES for common electronic components. No minimum. Ask about hard to get items. Local SAE for details. DIY Electronics, GPO Box 904, Hong Kong. FOR SALE: we have a number of Plessey 2001 B-MAC satellite receivers for sale. This model is currently retailing at over $2200.00. These are in good going condition and complete with remote controls and handbooks. If interested, please make a cash or Bankcard offer to: Langridge Electronics, PO Box 290, Norfolk Island 2899, or fax to (0011) 6723 22833. COMPONENT PACKS, 30 trimpots, Bourns, Beckman etc, mixed values and types including multiturn. 400 metal film ¼W resistors, most are 1% or 2% Beyschlag, mixed values including some E96 and E192 series. 200 carbon film ½W and 1W resistors, most are Beyschlag 1% or 2%. All component packs $12 ea plus $5 p&p. Japanese transistor pack with two each of 2SA 1069, 2SC923, 2SC 1826, 2SC3157, 2SD381, 2SD667, $15 per pack. Electronic component pack, 400 items including ICs, transistors, diodes, resistors, trimpots, capacitors, relays, fuses etc. All new components, $25 per MEMORY EXPANSION PRICES AT OCTOBER 19TH, 1992 SIMM 1Mb xll 1Mbx3 1Mbx8 4Mbx9 4Mbx 8 DRAM DIP 1 x 1Mb 256x4 41256 1Mbx4 ?Ons ?Ons 100ns ?Ons 80ns $46 $42 $37 $160 $150 ?Ons ?Ons 80ns (stat) DRIVES SEAG 89Mb SEAG 107Mb SEAG 130Mb SEAG 245Mb 14M 15M 12M 12M $5 $5 $2 $23 $320 $350 $430 $780 IBM PS.2 50155/70 70135 90195 2Mb 4Mb 4Mb $115 $180 $190 TOSHIBA T2000SXe T3200SX T44l6400 T5200 4Mb 2Mb 4Mb 2Mb $260 $135 $345 $135 MAC 2Mb SI & LC 4Mb P'Book $83 $260 BOARDS & PTRS 8MbAT W2MB $232 8Mb PS2 W2MB $234 4Mb HP Laser W2MB $155 1MbTI W1MB $80 Sales tax 20%. Overnight delivery. Credit cards welcome. Ring for Latest Prices Plans Kits and PCBs 100W Valve Amp PCB ............................................... $30 Valve Amp PSU PCB ................................................. $25 Universal PSU (±5/±12V) Dual Supply ...................... $10 Digi 125 100W amp/pair ............................................ $1 0 ETI 1623 PIA for PCs ...................... ....................... $40 Max 1/0 Board ............................................................ $40 Max Kit ..................................................................... $169 LM380 3.5 amp PCB ................................................... $7 AEM 35W amp kit ...................................................... $20 ETI Audio Toolkit PCB ............................................... $10 AGC Amp PCB ............................................................ $7 Z-80 Miniprocessor PCB ............................................ $50 6502 Miniprocessor PCB ........................................... $50 6809 Miniprocessor PCB ........................................... $50 8048/8049 Developers board complete B& T ........... $199 IBM PC Prototype PCB .............................................. $50 EPROM Programmer .............................................. $299 ESL-1 Electrostatic speaker kit/pair inc manual ..... : $899 ESL-1 Assembly Manual ........................................... $50 P.C. Computers (08) 332 6513 36 Regent St, Kensington SA. 1st Floor, 100 Yarrara Rd, PO Box 382, Pennant Hills, 2120. Tel: (02) 980 6988 Fax: (02) 980 6991 PELHAM FIX-A-KIT KIT REPAIR & CONSTRUCTION TRANSFORMER REWINDS 3 MONTHS WARRANTY ON REPAIRS 12 MONTHS WARRANTY ON CONSTRUCTION TECHNICAL ASSISTANCE ALL TYPES OF TRANSFORMER REWINDS HVCAL ELECTRONICS TRANSFORMER REWINDS Design, Manufacture & Repair of Electronic Equipment Reply Paid No.2, PO Box 438, Singleton, NSW 2330. Ph: (065) 76 1291. Fax: (065) 76 1003. (02) 633 5477 pack, plus $8 p&p. Valves, CV3998, 12AX7, 12AY7, 12BY7A, 3A4, 6AM5, 6J7G, all $8 each or 10 for $70 (can be mixed). Open Thursday, Friday 4pm8pm, Saturday 9am-4pm, 143 Grays Rd, Enoggera, Qld. Ph (07) 355 1314 or (07) 855 1880 AH. Fax (07) 855 1014. Visa, Bankcard, Mastercard available for fax or phone orders over $20. Secontronics, PO Box 2215, Brookside, Qld 4053. NEW 280 SINGLE BOARD COMPUTER: designed for the 1990s. Also modern kits. Local SAE for details. DIY Electronics, GPO Box 904, Hong Kong. CAPACITORS, quality Siemens 10000µF/1 00V cans made in Germany, $20 ea or $15 ea 10 up. Phone (02) 411 1539AH. INTELSAT· International Satellite (Television) Receiving System (movies, sport, news). Commercial 4.8-metre solid dish plus system electronics package. Can see operating. $3995.00 ono. Phone Rod (08) 387 0372. MULTIPLEXERS - CASE 825 (x4) 24 channel V.24, CASE 815 (x2) 12 channel V.24, optical link 48kbps. No reasonable offer refused. Phone (02) 411 1539AH. ON SALE NOW: First Edition Vintage Radio Calendar, in full colour. Featuring a selection of Australia's most photogenic radios. Ideal Christmas gift for friends and collectors overseas. Available from Resurrection Radio, 51 Chapel Street, Windsor, Victoria, Australia 3181. Phone (03) 529 5639. $18.95 plus $2 postage. SOLAR POWERED MOTOR KIT: a 6V 50mA solar panel with terminating clips, a very efficient motor to suit, and instructions, great for education and experimenting. Only $7 per set or 5 sets for $28. Ref XXJAN93101. * ELECTRONIC KEY: use it to activate door strikers for entering buildings, for switching car alarms, central locking, the most secure key ever (see EA, July 1992). On special<at> $49.90 for two keys and one decoder kit. Ref XXJAN93103 . * ULTRASONIC CAR BURGLAR ALARM (SC, May 1988): based on a crystal locked ultrasonic movement detector. Can be used as a detector or a self standing alarm, has provision for DECEMBER 1992 103 LOCAL TRADES & SERVICES * JV Tuners - Repairs Tuner • • • • repairs for TVs & VCRs Shorted Turns Tester High Voltage Probe Degaussing Wand Remote Control Tester * Transfonner Rewinds For all types of transformer rewinds. (02) 7741154 Fax (02) 7741154 (065) 761291 Fax (065) 761003 Ian .J Truscott's Electronic World EEM Electronics \fail or credit card facilities Printed circuit hoard assembly, switch mode power supplies repaired. Design work from start to finish. Ring anytime 9am-91>m Mon-Sun . (03) 7233344 Fax (03) 4192808 (03) 4011393 For sen ice & repair work T. A. Mowles Silicon Chip Printed circuit hoards for the hobbyist. For ser,ice & enquiries contact: To ad,ertise your products or sen ices, please call Sharon on (08)3265590 (02)9795644(018)285532 bonnet/boot protection, flashing light and back-up battery operation. Clearance at below half price at only $24.90. Includes the PCB, all parts except the screw terminals, a pair. of ultrasonic transducers. Ref XXJAN93102. * SOLAR LIGHTING BARGAIN (EA, Nov 1992): this kit has three separate sections that are contained on one PCB, but can be separated: (1) a crystal .locked ultrasonic movement detector; (2) a fluorescent tube inverter (4-20W) with logic circuitry; (3) a solar battery charging regulator and an incandescent lamp switcher-pulser, which employs a Mosfet switch. As a package special we are offering the complete kit for the three sections plus six 6V/1W solar panels for a total cost of ONLY $99! RefXXJAN93104. * SWITCHES: high quality miniature enclosed Italian (FEME) 1, 2, 3 and 5-pole, 12-position switches, $2.80 ea or 10 for $20. Ref XXJAN93105. * SINGLE CHIP MICROCOMPUTER: in the form of a telephone display, based on a NEC uPD7503G single chip micro IC and an LCD display to suit. See our previous advertisements for more information. Clearance $9 ea or 5 for $30 ! Ref XXJAN93107. * MYSTERY LASER: includes a 12V universal power supply kit, plus a very small, modern, brand new 0.5mW laser tube to suit. To top the bargain we will include a diverging lens (holography, etc) with the deal for a TOTAL PRICE OF $79!! Ref XXJAN93106. Major cards accepted with phone and fax orders. Total cost of certified p&p: Australia $5, NZ (airmail) $10. Oatley Electronics, PO Box 89, Oatley, NSW 2223. Phone (02) 579 4985. Fax (02) 570 7910. 104 SILICON CI-I!P Advertising Index All Electronic Components ........ 63 Altronics ............................... 90-92 Antique Radio Restorations .... 102 A-One Electronics ................ 36-39 Av-Comm ..... .. ............................. 6 Breakthrough Computers .......... 41 Central Coast Amateur Radio ... 96 David Reid Electronics ................ 5 Dick Smith Electronics ......... 18-21 EEM Electronics ...................... 104 Electronic World ................. 94, 104 Emona Instruments ................... 89 Ford Motor Company ............. OBC Geoff Wood Electronics ............ 33 Harbuch Electronics ...........;...... 97 Hycal Instruments ................... 103 Jaycar Electronics ......... 49-56,IBC JV Tuners ................................ 104 Kalex ......................................... 77 Nilsen Electronics ....................... 7 Oatley Electronics .............. 87,103 PC Computers ........................ 103 Pelham ............................... 73,103 Peter C. Lacey Services ........... 84 Philips Test & Measurement... ... 31 Plough Book Sales .................... 77 Procon Technology .................... 97 ACS Radio .............. ................ 104 Reserve Electronics .................. 93 Resurrection Radio ................... 97 Rod Irving Electronics .......... 78-83 Scan Audio ............................. 9,62 Scientific Devices ...................... 95 T. A. Mowles ..................... :... ... 104 Technical Applications ................ 11 Transformer Rewinds .............. 104 Westinghouse ........................ ... 15 RC§ RADIO PTY LTD ~~'.'i~1, ~ U16if~I Ill 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. PC Boards Printed circuit boards for SILICON CHIP projects are made by: • 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 2207. Phone (02) 587 3491 • RCS Radio Pty Ltd, 651 Forest Rd, Bexley, NSW 2207. Phone (02) 587 3491. :;:=J I 0