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PRODUCT SHOWCASE Code-Hopping High Security UHF Remote Switch from Altronics Altronic Distributors (Perth) have available a high security but relatively low cost UHF remote switch. It offers three operating modes and a code-hopping data signal which prevents the code being “learnt” by close-by receivers. 387 billion code combinations are possible. Altronics have already found a ready market in medium to high security alarm installations and remote control devices requiring a high level of security. Operation is in the 433MHz UHF band and the receiver operates from a nominal 12V DC supply (not included). The transmitter is keyring-sized and features two push buttons. Button A or B can be pressed individually or both buttons together for the third mode. The UC-215 receiver is similarly small in size (100 x 72 x 27mm) with either an internal antenna or a small (10cm) external antenna. A higher gain external antenna (50Ω) can also be connected for longer range. With standard antenna, the range is around 30 metres. There are two relay outputs which can be set up to momentary (1 second) or latch operation. The third output is via an on-board transistor. With a recommended retail price of $110 including one keyring transmitter, the Cat. A-1018 UHF Remote Control Switch is available from the Altronics retail store in Perth (Mail Orders freecall 1800 999 007). Trade enquiries to Altronic Distributors, 174 Roe St Perth (Phone 08 9328 2199, Fax 08 9328 4459). Ultra DMA 66 HDD PCI IDE Controller Microgram Computers have the answer for users who want to add fast, large hard disks to older motherboards: their Ultra DMMA66 IDE controller has two enhanced Ultra DMA 66 IDE ports, supports up to four IDE devices and co-resides with existing motherboard IDE controllers. This enables users to break the 8.4GB drive barrier and also use the higher speed UDMA66 drives. It is supplied with a two-drive cable and drivers for both Windows 9x and NT4. For more information, call Microgram Computers on (02) 4389 8444, fax (02) 4389 8388, or visit the website www. mgram.com.au 70  Silicon Chip Voice Recognition Module Supplier In response to many enquiries from S ILICON C HIP readers after the publication of the Voice Recognition Experimenter’s Kit in the August 1999 issue, the Australian distributors of Sensory Inc. products, Adilam Electronics, have announced that they will be selling the Voice Recognition module used in the project for A$80.00 + $12 for delivery anywhere in Australia. This compares very well to the U$50.00 that is shown on the Sensory Web site. It will be much easier to purchase the module from Adilam and it will probably cost less than buying them direct from Sensory. Adilam will ship by overnight delivery. Please contact your closest Adilam Electronics office: Melbourne (03) 9761 4466; Sydney (02) 9584 2755; Brisbane (07) 3377 9555; Adelaide (08) 8212 6665; Perth (08) 9274 0522; Christchurch (NZ) (03) 366 2577. Bargain phone answering machine from Oatley Maintaining their reputation as the place to go for a bargain, Oatley Electronics has purchased a job lot of fully-featured, Austel-approved Telephone Answering Machines, ready to plug in and use, and are selling them for $25.00 each – including a tape, manual, phone lead and plug-pack supply. The TAM features one-touch operation, power fail protection, VOX recording, remote message retrieval and has music playing before the beep tone. It can also be used as a remote room monitor. It measures 120 (W) x 175 (D) x 55mm (H) and is only available from Oatley Electronics, PO Box 89 Oatley NSW 2223. Phone (02) 9584 3563, Fax 9584 3561, or email oatley<at>world.net Oatley Electronics now has a retail shop open on Friday afternoons and Saturday mornings for surplus and special sale items. The address is unit 5, 51b Anderson Rd, Mortdale. MAX CDPAK: CD, DVD & laser disk repair kit While audio CDs, data CD-ROMs, laser disks, photo CDs and DVD have enjoyed massive acceptance and usage, early claims about their nearbullet-proof surfaces have proved not to be the case. CDs can easily be scratched and, especially in the case of data CDs, the content damaged or even lost. With this in mind, DIA Multimedia Distribution has released the MAX CD PAK, a repair and maintenance kit designed to clean and maintain all the common disc formats in use today. The kit includes a bottle of CD Quick Clean to clean and protect the disc surface, a pack of CD Quick Wipes for a quick clean-up and the CD Playright repair kit itself, a scratch repair system which can “fix” up to 12 CDs. In addition there’s a 20-CD flipstand and three spare CD jewel cases. PCB POWER TRANSFORMERS 1VA to 25VA The kit has a recommended retail price of $59.95 and will be available from record stores and CD retailers shortly. All items are also available individually. Trade enquiries should be directed to DIA Multimedia Distribution, 748 North Rd, Ormond East, Vic 3204. Tel (03) 9576 7122, Fax (03) 9576 7011. New 3dfx Voodoo3 3500 Mini DIN relay from TV graphics accelerators Siemens Innovision, the sole Australian importer of Voodoo 3 graphics accelerators and 3dfx produces, has announced a new top-end model to the top-selling range. The Voodoo3 3500TC gives maximum PC graphics performance, creating superior graphics quality/realism and ineractivity. Based on the acclaimed Voodoo3 graphics accelerator technology, the new card combines the most powerful 3D and 2D graphics with complete TV tuner and multimedia functionality, all on a single AGP board. It supports MPEG2, DVD and high-resolution displays and will allow DVD movies to be played at 30 frames per second. Operating at 183MHz, it has a resolution up to 2047 x 1536 pixels. Voodoo3 accelerators are available at leading computer retailers throughout Australia. For more information, contact Innovision Technology on (03) 9853 6389, fax (03) 9853 84709. Looking for a small, high capacity relay? This new Schrack-relay PT from Siemens Electromechanical Components (Siemens EC) could fit the bill. It’s just 29mm high but comes with two, three or four changeover contacts capable of switching twelve, ten or six amps respectively. Each is available with an AC or DC coil and with plug-in or PC board terminals. Further details and specifications from Siemens EC via email, infoserv<at> scn.de Manufactured in Australia Harbuch Electronics Pty Ltd 9/40 Leighton Pl. HORNSBY 2077 Ph (02) 9476-5854 Fx (02) 9476-3231 Digital Reader for Maps Dick Smith Electronics has a handy Map Measuring Meter which accurately measures the distance between two points on a map, plan or even a physical object. The user simply traces the line or path to be measured with the serrated wheel on the instrument, with the length in millimetres shown on the digital display. An inbuilt calculator can then be used to scale the reading to true units. There’s also a magnifying glass to make map reading even easier. With a recommended retail price of $39.95, the Cat Q-1399 Digital Map Measuring Meter is available from all Dick Smith Electronics stores and resellers or via mail order on 1300 366 644. CD-R, CD-W discs from $2.10 each Jaycar Electronics have introduced new ranges of recordable and rewritable CDs with prices for the CD-R as low as $2.10 each in 100-packs without jewel cases. The “Platinum” range of recordable CDs is silver/silver with 650MB/74 minute capacity. Single discs start at $2.85 in jewel cases. The “Avalon” CDs are rewritable and are priced at $7.95 each or $6.95 each for ten or more. The discs are available at all Jaycar Electronics stores and resellers throughout Australia. For more information contact Jaycar Electronics, (02) 9743 5222. October 1999  71 High Performance LeCroy colour ’scopes The new LeCroy LC684D family of digital oscilloscopes (DSOs), available from Trio Electrix (the new LeCroy representative for Australia and New Zealand) feature a 10.4" flat panel color display, 1.5GHz bandwidth and sampling rates up to 8GS/s. They also offer long memories (up to four Mbytes per channel or 16 Mbytes on a single channel) to capture complex signals with better accuracy and improve the ability of the DSO to zoom in on important details. The oscilloscopes start with 1.5GHz front end amplifiers and 2GS/s ADCs on each channel (cascadable to 8GS/s on a single channel). In addition, these DSOs contain proprietary trigger ICs which allow users to trigger on 600psec. This is useful in debugging both high-speed digital and analog circuits. They can also “play” a zoomed version of the signal in forward or reverse without the need to turn any knobs. All oscilloscopes in the LC series offer a display mode that emulates the brightness graded intensity of analog scopes –even for single shot signals. For more details on the LeCroy range of oscilloscopes, contact Trio-Electrix, PO Box 1158, Baulkham Hills, NSW 1755 Phone. 02-9836-0072 Multifunction DMM test probe If you use a multimeter, you know how handy a third hand and 25 fingers could be. Jaycar Electronics can’t give you that, but this DMM probe is the next best thing. It’s compatible with all DMM and analog meters and gives audible and visible warnings for a variety of functions. What’s more, there’s an inbuilt light for those dark PC board corners. It's priced at $8.95. For more information, contact Jaycar Electronics, 8-10 Leeds St, Rhodes, NSW 2138, Phone (02) 9743 5222, or any Jaycar ElectronSC ics store. IN YOUR NEXT ISSUE OF Items planned for the November issue*, due on sale at your newsagent October 27. Subscribers receive their copies a little earlier. FOLDBACK SPEAKERS Essential for all live performances . . . but have you ever tried to buy a set? Sure you can get them. If you have deep pockets, that is! Build your own top quality foldbacks and enjoy the difference! PIC-BASED TINY SPEED ALARM It all goes into a case 80 x 52 x 30mm so it will fit anywhere. And it could save you big $$$ in speeding fines. A must for every driver these days! * These features currently in production but are subject to alteration Even more great projects to build: • Programmable Robot • Micro-controlled XMAS TREE Plus all the popular features: • Serviceman's Log  •  Circuit Notebook   • Computer hints & tips •  Vintage Radio  • Product Showcase  •  Ask SILICON CHIP  SUBSCRIBE TO SILICON CHIP AND NEVER MISS AN ISSUE As a subscriber, you will not only receive your copy earlier – you will actually save money - AND SILICON CHIP picks up the postage! And don't forget, as a subscriber, you qualify for a 10% discount on all SILICON CHIP merchandise (subscriptions excepted!) Do you want YOUR product or service showcased to Australasia's most important electronics marketplace? 72  Silicon Chip CALL ME: RICK WINKLER on (02) 9979 5644 and let me explain how cost effective the SILICON CHIP ELECTRONICS SHOWCASE can be for YOU! L LECTRONICSHOWCASELEC SPEAKER SALE For the very first time we are having a sale of selected loudspeaker drivers from the prestige MOREL line. On sale are two drivers: UNIVERSAL WIRELESS DEVELOPMENT SYSTEM Linx RF modules from Clarke & Severn Electronics offer a simple, efficient and cost-effective method of making a product wireless. Want to know more? Contact CLARKE & SEVERN ELECTRONICS PO Box 1, Hornsby NSW 1630 Ph (02) 9482 1944 Fx 9482 1309 email: sales<at>clarke.com.au www.clarke.com.au MW 265 EMC Technologies' internationally recognised Electromagnetic Compatibility (EMC) test facilities are fully accredited for emissions, immunity and safety standards. 222mm Shielded Woofer, Fs 30Hz ,Vas 88.6L Qts 0.44 Power 150W Hexatech voice coil Normally $190 EMC Technologies DMS 30S Melbourne: (03) 9335 3333 Sydney: (02) 9899 4599 Failed hard disk drive? OLD out, NEW in EASY NOW $130 27mm Shielded Dome Tweeter, 94mm dia. Fs 650Hz Power 200W Hexatech voice coil Double chambered Sens 90dB Normally $129 NOW $75 All other MOREL products available – many ex-stock We are sole Australian Distributors for: Hot-Swap IDE RAID Array Cat. 2808 •  CLIO Electro-Acoustic Measurements •  SOFIA Vacuum Tube Curve Tracer •  JASPER Power Router Circle Jigs $1299 Australian Audio Consultants PO Box 11, Stockport SA 5410 Web site: Email: Phone / Fax 08-85-282-201 E-mail aac<at>rbe.net.au www.mgram.com.au info<at>mgram.com.au BUSINESS FOR SALE: SWITCHMODE POWER SUPPLIES 25W500W Extensive Range Escape to the sun in beautiful Coffs Harbour! • • • • •   • • •   • Stable electronic retail business Easily run by husband and wife team. Agent for GSM carrier Access to large electronics suppliers (niche market). Very strong customer base inc Government depts and schools etc. Five year rental option on current highway premises. Full figures available. Current owners (12 years) are moving to a new business. Price only $55,000 + SAV. Enquiries: phone (02) 6652 5684 or fax (02) 6651 3731 R.T.N • Basic Stamps, SX chips and tools. • OZ-made boards and development tools • Best pricing on temp, a/d, rtc kits • New Xilinx PLCC44 development system • New OZ made serial LCD module 2*16 • Stepper and R/C servo motor chips • New super catalog on CD Rom with 40 meg of  Stamp related data. Now available via SAE and  our cost $4.50, or free with orders over $125 Phone/Fax 03-9338-3306 HTTP://people.enternet.com.au/~nollet Email: nollet<at>mail.enternet.com.au MicroZed Computers GENUINE STAMP PRODUCTS FROM Scott Edwards Electronics microEngineering Labs & others Easy to learn, easy to use, sophisticated CPU based controllers & peripherals. PO Box 634, ARMIDALE 2350 (296 Cook’s Rd) 6 Sarich Court, Technology Park, Bentley WA 6102 Ph: 08 9470 1177 Fax 08 9470 2844 web: www.computronics.com NEW FROM QUESTRONIX DVS5 Video & Audio Distribution Amplifier Ph (02) 6772 2777 – may time out to Mobile 0409 036 775 Fax (02) 6772 8987 http://www.microzed.com.au Most Credit Cards OK DVS5 Video & Audio Distribution Amplifier VGS2 Graphics Splitter Five identical Video and Stereo outputs plus h/phone & monitor out. S-Video & Composite versions available. Professional quality. VGS2 Graphics Splitter High resolution 1in/2out VGA splitter. Comes with 1.5m HQ cable and 12V supply. Custom-length HQ VGA cables also available. Check our NEW website for latest prices and MONTHLY SPECIALS www.questronix.com.au Email - questav<at>questronix.com.au Video Processors, Colour Correctors, Stabilisers, TBC's, Converters, etc. QUESTRONIX All mail: PO Box 548, Wahroonga NSW 2076 October 1999  73 Ph (02) 9477 3596 Fax (02) 9477 3681 Visitors by appointment only