This is only a preview of the October 1994 issue of Silicon Chip. You can view 33 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:
Items relevant to "Beginner's Dual Rail Variable Power Supply":
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MARKET CENTRE
Cash in your surplus gear. Advertise it here in Silicon Chip.
CLASSIFIED ADVERTISING RATES
VINTAGE 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): $25 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.
VINTAGE RADIO SWAP meet/fair.
Inc. military, amateur radio and antique
sound. Sunday 23rd October, 1994
10am to 5pm. Glenroy Technical School
Hall, Melbourne. Bookings: R. Howarth,
PO Box 9, Junortoun 3551. Phone (054)
49 3207.
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FOR SALE
REAL TIME ICE!!! The only way to go.
MOTOROLA 6805 EMULATOR and
programmers. Prices and data from Graham Blowes, Mantis Micro Products,
38 Garnet Street, Niddrie 3042. Phone
(03) 337 1917 (a/h), (03) 575 3349 (b/h).
Fax (03) 575 3369.
AUSTRALIAN PRODUCT: Control Canaries, Cameras, Cars or Circuits from
the printer port of your PC. 32 bits in. 32
bits out. Bare PCB, Software Disk and
Data $38. Add-on Relay Board $15, or
Demo/Promo Disk $2. Don McKenzie,
29 Ellesmere Crescent, Tulla
marine
3043. Phone (03) 338 6286.
SUBSTITUTE FOR A HANDFUL OF
ICs: 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 pins, board space includes prototyping area. Program it on a PC (only
33 instructions) with development kit
which includes one “BASIC STAMP”
Enclosed is my cheque/money order for $__________ or please debit my
RCS RADIO PTY LTD
Card No.
✂
❏ Bankcard ❏ Visa Card ❏ Master Card
Signature__________________________ Card expiry date______/______
Name ______________________________________________________
Street ______________________________________________________
Suburb/town ___________________________ Postcode______________
94 Silicon Chip
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
Microprocessor For
Stereo Preamplifier
Now back in stock: the 68HC705-C8P pre-programmed
microprocessor for the Infrared Remote Controlled Stereo Preamplifier (SILICON CHIP, Sept.-Oct. 1993). Also
suits the Remote Volume Control (May & June, 1993).
Price: $45 + $6 p+p
Payment by chequeor credit card to: Silicon Chip
Publications, PO Box 139, Collaroy, NSW 2097. Phone
(02) 9795644; Fax (02) 979 6503.
TRANSFORMER REWINDS
•
•
•
•
350 Watt Power MOSFET
Amplifier Module
As published in the June 1994 issue
of Silicon Chip. Kit price $159.00.
Postage and handling $8.00.
Payment by M/C, B/C, Visa, Cheque
or Money Order.
3kg O/N Air Bag $10.00
Computer & Electronic Services Pty
Ltd 27 Osborne Avenue, Trevallyn
Launceston, Tasmania 7250
Phone 003-34 4218; Fax 003-31 4328
MEMORY & DRIVES
PRICES AT SEPTEMBER, 1994
SIMM (all 70ns)
Parity/No Parity
1Mb 30-pin
$58/54
4Mb 30-pin $208/195
2Mb 72-pin
$125
4Mb 72-pin $230/215
8Mb 72-pin
$460/420
16Mb 72-pin
$815/775
32Mb 72-pin $1690/1500
MAC
6Mb P’BOOK
CO-PROCESSORS
387S/DX to 40
$395
$90
LASER PRINTER HP
with 2Mb
$200
ALL TYPES OF TRANSFORMER REWINDS
COMPAQ
CONTURA
TRANSFORMER REWINDS
8Mb
$440
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.
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.
FLUORESCENT INVERTER KIT (SC,
Feb 91) (Soft Technology No. 46): 12V,
24V or 48V/16W version. Secondary
wind, board plus components $30 plus
$4 p&p. SOLAR BATTERY CHARGING
REGULATOR: short form kit 12V or
24V (SC, Jan 94) 10A $54 plus $4 p&p.
$8
$8
IBM PS.2
THINKPAD
L40/N33
90/95
8Mb
4Mb
4Mb
$655
$280
$230
TOSHIBA
3100SX
46/6400
4Mb
4Mb
$245
$265
SUN
SPARC 10/20 16Mb
SPARC 10/20 64Mb
$965
$4080
DRIVES – SEAGATE
214Mb 10ms 3yr w
528Mb 12ms 3yr w
1052Mb 9ms 5yr w
$260
$465
$1075
1st Floor, 100 Yarrara Rd, PO Box 382, Pennant Hills, 2120.
Tel: (02) 980 6988
Fax: (02) 980 6991
MICASOFT Electronics and Computing
tutor program, written in UK, ideal for
TAFE, schools, or individual use. Now
available in Australia. Send $1.80 in
stamps for demo disk (tell us what size).
MicroZed Computers, PO Box 634,
Armidale 2350.
70ns
70ns
Sales tax 21%. Overnight delivery. Credit cards welcome.
Ring for latest prices.
Reply Paid No.7, PO Box 1058,
St Marys, NSW 2760.
Ph: (02) 833 1146. Fax: (02) 623 5559.
($249 plus S/T & post), extra modules
($66 plus S/T & post). Send 45c stamp
for more information. Parallax distributor and technical support in Australia:
MicroZed Computers, PO Box 634,
Armidale, NSW 2350. Facsimile (067)
72 8987.
DRAM DIP
1Mb x 1
256 x 4
Additional Mosfet $8 and Schottky diode
$5 to make 20A regulator.
With every kit ordered FREE used LEAD
SEALED BATTERY 12V/4Ah or 6Ah
while stocks last. Good condition but
no warranty. Only p&p is charged for
battery. Ring for postage cost. Cheques
and postal money orders accepted with
mail orders. Send orders to: Otakar
Priboj, PO Box 362, Villawood, NSW
2163, Australia. Phone (02) 724 3801.
INTELLIGENT INFRARED RECEIVER
(ref SILICON CHIP, March 94). Now with
8 outputs. Use your TV or VCR infrared
remote control transmitter to control your
TV or hifi appliances with an intelligent
infrared receiver kit. Also available
infrared transmitters, preprogrammed
and learning models. For details call
BENETRON P/L (018) 20 0108.
THE HOMEBUILT DYNAMO: (plans)
brushless, 1000 DC watt at 740 revs.
$A85 postpaid airmail from Al Forbes,
PELHAM
PO Box 3919 - SC, Auckland, NZ.
Phone Auckland (09) 818 8967 any
time. Rotor magnets (3700 gauss) kit
now available.
VALVE AMPLIFIERS: Australian
made. Mono, stereo, guitar using 2A3,
211, 6L6 or 807 valves. Williamson
reproductions. Parts available for DIY
constructors. Circuit diagrams and construction details for many types of valve
amplifiers. Valve equipment repairs.
Lancroft Pty Ltd, PO Box 439, Bexley
2207. Phone (02) 567 5390.
THE 8051 MICRO-COMTROLLER
book includes a simulator disk ($40).
ROMLoader EPROM Emulator (EA
Jan/Feb 92, EA June 94) (PCB $30).
8051 Proto-Boards (EA Feb 93) (PCB
$30). Tantau Australia, PO Box 1232,
Lane Cove, NSW 2066. Phone AH (02)
878 4715.
CALLING ALL HOBBYISTS
We provide the challenge and money for you to design and build as many
simple, useful, economical and original kit sets as possible.
We will only consider kits using lots of ICs and transistors.
If you need assistance in getting samples and technical specifications while
building your kits, let us know.
YUGA ENTERPRISE
705 SIMS DRIVE #03-09
SHUN LI INDUSTRIAL COMPLEX
SINGAPORE 1438
TEL: 65 741 0300 Fax: 65 749 1048
October 1994 95
SmallTALK for PCs: voice
digitiser for 286's and up
Play speech on your PC's
speaker with no sound card!
3 minute version
$34.95
HDD version
$39.95
Optional QLB/LIB libraries
$14.00
All orders add $3.05 p+p.
Send your cheque/order to:
RAT
Electronics
AUSTRALIA
PO Box 641,
Penrith, NSW 2750
Ph: (047) 77 4745
Fax: (047) 77 4745
ELECTROSTATIC
LOUDSPEAKERS
3-PANEL FULL RANGE DESIGN,
AVAILABLE IN KIT FORM OR FULLY
ASSEMBLED.
LOCALLY DESIGNED & MANUFACTURED.
FOR INFORMATION BROCHURE,
PHONE/FAX (09) 397 6212 OR WRITE TO:
E. R. AUDIO,
119 BROOKTON HWY, ROLEYSTONE,
WESTERN AUSTRALIA 6111.
Advertising Index
Altronics ................................ 20-22
Av-Comm................................69,81
Computer & Elect. Services.........95
David Reid Electronics ..............86
Dick Smith Electronics........... 10-13
Emona Instruments.....................87
E. R. Audio...................................96
Harbuch Electronics....................86
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.
PRINTED CIRCUIT BOARDS for the
hobbyist. For service & enquiries contact: T. A. Mowles (08) 326 5590.
BINARY CLOCK - OCTOBER 1993:
complete documentation supplied,
includes introduction to binary, how
it works, PLD source listings, conversion tables. Kit with PC board and all
components $75 plus $5 p&p. Optional
Z frame stand (includes spacers and
chassis DC connector) $25 plus $5
p&p. Available from Prototype Electronics, 1/29 Stewart St, Parramatta,
NSW 2124. Phone (02) 890 2960; Fax
(02) 630 3148. Pay by cheque, money
order, credit card.
TES FIELD STRENGTH meter, model
MC661/F, VLF/VHF/UHF VGC complete
with charger and manual. $300. (079)
28 0966.
WANTED
WANTED: made in USA or Western
Europe for audio valves, vintage audio equipment and books about valve
technology. Wai Kei Leung, Block B, 5th
Floor, 7 Kweilin Street, Shamshuipo,
Kowloon, Hong Kong. Fax: 852 387
5560.
PC COMPUTERS (08) 364 0902 (08) 332 6513
36 Regent St, Kensington, South Australia
High Power 2.5 Watt Transmitter Kit FMTX1
$69
This kit uses a single transistor to provide up to 2.5 watts into a 50-ohm load. It can be set on the FM band from 88-108MHz.
Audio is 500mV P-P with Australian pre-emphasis. Power supply from 12-24 volts DC. Range up to 100 miles. Leaky coax
distribution can be used with any of our transmitters, terminate up to 2km of coax with a 50-ohm resistor and no radiation
occurs. Use a 150-ohm WW pot and you can set the level of radiation up to 300 metres from the coax. You can use this
method to comply with DOTC schedule 3.
Instant PCBs................................95
Jaycar ......................... 33-36,61-64
L & M Video.................................32
Macservice............................ 47-50
Oatley Electronics.................. 82-83
PC Computers.............................96
Pelham........................................95
Rat Electronics............................96
RCS Radio ..................................94
Rod Irving Electronics .......... 73-77
Silicon Chip Back Issues....... 90-91
Silicon Chip Binders....................89
Silicon Chip Bookshop.................70
Silicon Chip Projects Book......OBC
Silicon Chip Software..................85
Silicon Chip Wallchart................IBC
Tortech.........................................89
Transformer Rewinds...................95
Yokogawa..................................IBC
XTAL Locked 30mW Transmitter (The best quality kit transmitter
in Australia) FMTX2B
$49
This transmitter is XTAL-locked on 100MHz (XTAL supplied) and is the most stable kit transmitter on the market. It features
a 3-stage design with only two tuned circuits and a clean output. This design can be used as the basis of a station exciter.
Yuga Enterprise...........................95
_________________________________
Digital Stereo Coder (All Digital Design With Australian
Pre-emphasis) FMTX2A
$49
This is a universal stereo coder able to be used with all of our transmitter designs and many others. Its performance is
superior to domestic encoder single chip designs. Dozens have been sold to FM stations as a standby stereo coder or with
the FMTX2B as an exciter.
Printed circuit boards for SILICON
CHIP projects are made by:
Both FMTX2A and FMTX2B on 1 PCB as a complete stereo transmitter FMTX5
$99
MAX I/O Board for PCs (Talk To The Outside World)
$169
This kit features 7 relays, ADC, DAC, stepper motor driver with sample software in Basic and connects to a PC’s parallel
port. Now also available I/O bits software for MS Windows so you can program functions without being a programmer. Call
relays by a name like stop relay, assign its own icon - uses a simple VISUAL interface to make your own PLC. Full developer’s
version has DOS runtime so you do not require Windows and optional support for LCD displays. Data logging ADC and DAC
boards and more. MAX version $169.
FM Band Linear Amplifier Kits (All Imported Kits)
New 30mW to 1 watt linear coming in September 1994 (advance orders taken)
500mW to 5 or 10 watts
$199
250mW to 25 watts
15 watts to 110 watts
$599
40 watts to 300 watts
Power supplies and heatsinks not included in short form kit price.
$99
$249
$999
Other kits available. Call for a list or see Silicon Chip April-June 1994 or the Silicon Chip Model Railway Book.
96 Silicon Chip
PC Boards
• 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.
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