This is only a preview of the February 1993 issue of Silicon Chip. You can view 54 of the 104 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 "Build The Electronic Cockroach":
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.......TCENrRE
Cash in your surplus gear. Advertise it here in Silicon Chip.
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CLASSIFIED ADVERTISING RATES
ANTIQUE RADIO
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.
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
Enclosed is my cheque/money order for $._ _ __
D Bankcard
D Visa Card
D Master Card
or please debit my
XI
I
I
I
Signature_ _ _ _ _ _ _ _ _ __ _ Card expiry date_ _~/_ _ _
I
Name _ _ _ __ _ _ __ _ _ _ __ _ __ _ __ _ __ _ I
I
Street _ _ _ __ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ __
I
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Suburb/town _ _ _ _ _ __ __ _ _ _ Postcode_ __ _ __
L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ JI
Card No.
102
SILICON CHIP
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,
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.
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 $2200.00. These are in
good going condition and complete with
SURPLUS COMPONENT SALE
STOCK QTYS LIMITED, NO BACKORDER$ .
2N3055
$1.20
RESISTORS
TIP30C
$0.50
MOST VALUES AVAIL.
TIP122
$1.20
1I4W MIFILM
$31100
2N7000
$1.50
113W CARBON
$21100
2SC2240
$0.60
112W CARBON
$41100
VN88
$2.00 ·
1W CARBON
$51100
3N170
$1.50
2W CARBON
$8/100
2N5954
$1.50
SW WIREWOUND
$0.30
2N3440
$1.20
10W RESISTORS
$0.60
2N4392
$0.50
100uF 10VTANT
$1.50
LM3900
$0.50
C&K 1201 SW
$0.50
27C41
$1.00
SW Oil SW
$2.00
68681
$7.00
CD22100 IC
$2.50
747CJ
$0.80
78L12, 79L12
$0.50
8251
$3.00
8259
$4.00
74122
$0.50
A25 THERMISTOR
$5.00
4520
$1.00
MCT275 OPTO
$1.20
74HC132
$1.00
MOC3020 OPTO
$2.00
74HC14
$1.00
MOC8050 OPTO
$1.50
4528
$1.00
74C161
$2.00
7417
$0.50
74HC74
$0.70
9602
$0.50
74S02
$0.70
PHONE OR MAIL ORDERS, CREDIT CARDS ACCEPTED FOR
ORDERS $20 & OVER, DISCOUNTS FOR QUANTITY ORDERS
SECONTRONICS
PO BOX 2215, BROOKSIDE, OLD 4053, PHONE {07) 355 1314
143 GRAYS RD, ENOGGERA, QLD 4051, FAX (07) 8551014
SHOP OPEN SATURDAY 9AM • 4PM AH (07) 8551880
MEMORY & DRIVES
Plans Kits and PCBs
PRICES AT DEC. 10TH, 1992
SIMM
1Mbx9
1Mbx 3
4Mbx9
4Mbx B
DRAM DIP
1 x 1Mb
256 X 4
41256
1Mbx4
70ns
70ns
70ns
80ns
$52
$48
$190
$174
70ns
70ns
80ns
(stat)
$5.50
$5.50
$2
$23
DRIVES
SEAG42Mb
SEAG89Mb
SEAG 107Mb
SEAG 130Mb
SEAG245Mb
14ms
14ms
15ms
12ms
12ms
$240
$310
$360
$398
$770
IBM PS.2
50/55170
70135
90/95
2Mb
4Mb
4Mb
$120
$210
$210
TOSHIBA
T3200SX
T44/6400
T5200
2Mb
4Mb
2Mb
$150
$300
$150
MAC
2Mb SI & LC
4Mb P'Book
$95
$245
PROCESSORS
INTEL 486DX2-66
INTEL 486 DX50
$950
$810
EPROMS
27C 256-150
$3
Sales tax 20%. Overnight delivery. Credit cards welcome.
Ring for Latest Prices
100W Valve Amp PCB ............................................... $30
Valve Amp PSU PCB ................................................. $25
Universal PSU (±5/±12V) Dual Supply ...................... $10
Digi 125100W amp/pair ............................................ $10
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 HIiis, 2120.
Tel: (02) 980 6988
Fax: (02) 980 6991
PELHAM
FIX-A-KIT
KIT REPAIR & CONSTRUCTION
remote controls and handbooks. If interested, please make a cash or Bankcard offer to: Long ridge Electronics, PO
Box 290, Norfolk Island 2899, or fax to
(0011) 6723 22833.
THE HOMEBUILT DYNAMO: (plans)
brush less, 1000 watt at 740 revs. $A85
postpaid airmail from Al Forbes, PO
Box 3919 - SC, Auckland, New Zealand. Phone Auckland (09) 818 8967
anytime.
KIT REPAIRS & Construction Service.
Fixed price servicing for all kits. No job
too small. Ph (02) 649 2134 after 5pm.
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
2SA1069,
2SC923,
2SC1826,
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
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, Old. Ph (07) 355 1314
or (07) 855 1880 AH. Fax (07) 855
TRANSFORMER REWINDS
3 MONTHS WARRANTY ON REPAIRS
12 MONTHS WARRANTY ON CONSTRUCTION
TECHNICAL ASSISTANCE
ALL TYPES OF TRANSFORMER REWINDS
HVCAL ELECTRONICS
TRANSFORMER REWINDS
Design. Manufa cture & Re p a i r of El e ctro n ic
Reply Paid No.2, PO Box 438, Singleton, NSW
2330. Ph: (065) 761291. Fax: (065) 761003.
1014. Visa, Bankcard, Mastercard available for fax or phone orders over $20.
Secontronics, PO Box 2215, Brookside,
Old 4053.
8061 MICRO-COMPUTER 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.
AMSTRAD NOTEPAD info disk. IBM
720K format. Includes expansion software drivers and circuits, a full map of
all Port addresses, and a short machine language tutorial on the inbuilt
Z80 Assembler. $15, or free with the
purchase of a unit at $390 incl. post &
ins. For promo disk, send a $1 stamp to
[---------~=-;
INTELSTAT - 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 03-Z:2.
Equipme nt
(02) 633 5477
Don McKenzie, 29 Ellesmere Crescent,
Tullamarine 3043. Phone (03) 338 6286.
MUSIC ON HOLD KIT: SC Sept.1990.
This unit is simply connected across ·
the existing telephone line. Press the
"Hold" button and your caller will have
music on hold, press the release button
to restore the conversation. Captures
the line when activated and an inbuilt
pulser and a flashing LED remind you
that the hold function is activated. Will
even release the line after a few minutes in case you forget that you left
somebody on hold. Just add an inexpensive radio for a complete system.
The radio is switched by this unit to
conserve its batteries. On special at
$30. For the complete kit without the
case, 12V DC plugpack: $12.00. Cat
No GK116. * 16 CHANNEL UHF REMOTE CONTROL: see EA Nov 88-Jan
89. One transmitter kit, one receiver kit,
& one 4-channel relay driver kit, priced
to clear •at a total price of $99. Ref
XXFEB9401 . * 1-inch CRO TUBE: new
1-inch CRO tube, plus a connecting
diagram, plus a simple experimental
circuit. Very limited quantities: $30. Ref
XXFEB9402. * FIBRE OPTIC CABLE:
high quality fibre optic cable, single
fibre <at> $2/metre or 10 metres for $15,
dual fibre <at> $4/metre or 10 metres for
FEBRUARY
1993
103
*
JV Tuners - Repairs
Tuner
•
•
•
•
repairs for T\'s & \'CRs
Shorted Turns Tester
High \'oltage Probe
Degaussing \\'and
Remote Control Tester
*
(02) 7741154 Fax (02) 7741154
Transfonner Rewinds
Advertising Index
Altronics ... ....................... ...... 52-53
For all t~ pes of
transformer rewinds.
Antique Radio Restorations ..... 102
(065) 761291 Fax (065) 761003
Autotron Australia ............ .... ...... 41
A-One Electronics ................ 60-63
Av-Comm .... .......... ..................... 59
Breakthrough Computers .. .. ...... 49
Ian J Truscott's
Electronic World
EEM Electronics
\!ail or credit card facilities
Printed drrnit hoard assembly.
s11itchmode pm1er supplies repaired.
Design 1rnrk from start to finish.
Ring anytime 9am-9pm \Ion-Sun.
(03) 7233344 Fax (03) 4192808
(OJ) 4011393
For sen ice ~'\; re1rnir work
David Reid Electronics ............. ... 5
Dick Smith Electronics .......... 10-13
EEM Electronics ..... ................ . 104
Electronic World ................. 77,104
Emona Instruments ................... 67
Ford Motor Company ............ OBC
Harbuch Electronics .................. 76
$30. Ref XXFEB9403. * SWITCHED
MODE POWER SUPPLIES: compact
enclosed ex-Telecom supplies. Dimensions: 300 x 90 x 180mm. Unregulated
input: 30-50V, regulated input of 12V<at>
6A or 5V <at> 40A; two different units.
Limited stocks <at> $28 ea. P&P $7
(Heavy!). Specify type when ordering.
Ref XXFEB9404. * SOLAR LIGHTING
BARGAIN: (EA Nov. 92). This kit has
three separate sections that are contained on one PCB b!,.lt 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 &
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/1 W solar panels for a total cost
of only $99 ! Ref XXJAN93104.
* SWITCHES: high quality miniature
enclosed, Italian (FEME) 1, 2, 3 & 5pole, 12-position switches: $2.80 ea or
10 for $20. Ref XXJAN93105. Major
cards accepted with phone & fax orders. Total cost of certified p&p: Australia $5, NZ (airmail) $10. Oatley Electronics, PO Box 89, Oatley, 2223. Phone
(02) 579 4985. Fax (02) 570 7910.
MICRO-ELECTRONIC ENGINEER: a
Sydney-based computing technical
company wishes to permanently appoint a micro-electronics engineer to
provide technical support and to develop new products for export markets.
Duties will involve to diagnose and repair MP based PCBs (component level);
to design and debug MC interface driver
using AL & C; to undertake research on
the application of MP controlled elec-
104
SILICON CHIP
T. A. Mowles
Printed cirrnit hoards for the
hohh~ ist.
For sen ice & enquiries contact:
Hycal Instruments .... ... .. ... ........ 103
Jaycar ... .. .. .... ..... . 33-36,69-72,IBC
JV Tuners ................................ 104
Kalex .......... .............................. . 51
Oatley Electronics ......... 44-45, 103
(08) 3265590
PC Computers ......................... 103
Pelham ............................... 31,103
tronic equipment; to liaise with manufacturers in H.K. & Taiwan. The ideal
person must have:* tertiary qualification
in electronics engineering;* advanced
skills in electronic hardware (analog &
digital) and software (AL & C): * at least
5 years exp. in MP based hardware
service, software design and network
support; * initiative to work independently and ability to train staff; * proficiency in English and Mandarin; * a
member of ACS, IREE or IEAust preferable. Salary range $32,000 - $38,000
p.a. Please send written application with
resume and reference to: Managing
Director, Keap Technology P/L, PO Box
1604, Chatswood, NSW 2067.
Peter C. Lacey Services ............ 64
Philips Test & Measurement ...... 87
Plough Book Sales .................... 51
RCS Radio .............................. 104
Resurrection Radio .................... 77
Rod Irving Electronics .......... 90-95
Scan Audio .. .... .......................... 23
Scientific Devices ...................... 75
Silicon Chip Binders .................. 30
Silicon Chip Back Issues ...... 54-55
T. A. Mowles ............................ 104
Technical Applications .......... .. ... 43
Tektronix ....... ............................. 79
Tetia ...... .. ................................... 99
Transformer Rewinds .............. 104
RC§ RADIO PTY LTD
~
"ifr1ffi
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
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 (09)
828 5730.
• RCS Radio Pty Ltd, 651 Forest
Rd, Bexley, NSW 2207. Phone (02)
587 3491.
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