Silicon ChipMarket Centre - September 1989 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Saving electrical energy is a question of tariffs
  4. Feature: Electronics For Everyone by Leo Simpson
  5. Subscriptions
  6. Vintage Radio: Valve portables - hard on batteries by John Hill
  7. Feature: Scopeman Video Microscope by Leo Simpson
  8. Project: 2-Chip Portable AM Stereo Radio by Steve Payor
  9. Project: Alarm-Triggered Telephone Dialler by Greg Swain
  10. Back Issues
  11. Serviceman's Log: It's a long way to trip a "rarery" by The TV Serviceman
  12. Project: High Or Low Level Fluid Detector by Peter Gray
  13. Project: Studio Series 20-Band Stereo Equaliser by Leo Simpson & Bob Flynn
  14. Feature: Amateur Radio by Garry Cratt, VK2YBX
  15. Feature: Computer Bits by Jennifer Bonnitcha
  16. Project: Null Your Amplifier's DC Output To Zero by John Clarke
  17. Feature: The Way I See It by Neville Williams
  18. Feature: The Evolution of Electric Railways by Bryan Maher
  19. Market Centre
  20. Outer Back Cover

This is only a preview of the September 1989 issue of Silicon Chip.

You can view 46 of the 112 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:
  • Electronics For Everyone (March 1989)
  • Electronics For Everyone (April 1989)
  • Electronics For Everyone (May 1989)
  • Electronics For Everyone (September 1989)
  • Electronics For Everyone (November 1989)
Articles in this series:
  • 2-Chip Portable AM Stereo Radio (September 1989)
  • 2-Chip Portable AM Stereo Radio (October 1989)
  • 2-Chip Portable AM Stereo Radio (November 1989)
Articles in this series:
  • Studio Series 20-Band Stereo Equaliser (August 1989)
  • Studio Series 20-Band Stereo Equaliser (September 1989)
Articles in this series:
  • Amateur Radio (November 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (February 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (January 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (February 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (July 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (January 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (January 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (January 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (February 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (January 1995)
  • CB Radio Can Now Transmit Data (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • Stressless Wireless (October 2004)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Dorji 433MHz Wireless Data Modules (January 2012)
Articles in this series:
  • Computer Bits (July 1989)
  • Computer Bits (August 1989)
  • Computer Bits (September 1989)
  • Computer Bits (October 1989)
  • Computer Bits (November 1989)
  • Computer Bits (January 1990)
  • Computer Bits (April 1990)
  • Computer Bits (October 1990)
  • Computer Bits (November 1990)
  • Computer Bits (December 1990)
  • Computer Bits (January 1991)
  • Computer Bits (February 1991)
  • Computer Bits (March 1991)
  • Computer Bits (April 1991)
  • Computer Bits (May 1991)
  • Computer Bits (June 1991)
  • Computer Bits (July 1991)
  • Computer Bits (August 1991)
  • Computer Bits (September 1991)
  • Computer Bits (October 1991)
  • Computer Bits (November 1991)
  • Computer Bits (December 1991)
  • Computer Bits (January 1992)
  • Computer Bits (February 1992)
  • Computer Bits (March 1992)
  • Computer Bits (May 1992)
  • Computer Bits (June 1992)
  • Computer Bits (July 1992)
  • Computer Bits (September 1992)
  • Computer Bits (October 1992)
  • Computer Bits (November 1992)
  • Computer Bits (December 1992)
  • Computer Bits (February 1993)
  • Computer Bits (April 1993)
  • Computer Bits (May 1993)
  • Computer Bits (June 1993)
  • Computer Bits (October 1993)
  • Computer Bits (March 1994)
  • Computer Bits (May 1994)
  • Computer Bits (June 1994)
  • Computer Bits (July 1994)
  • Computer Bits (October 1994)
  • Computer Bits (November 1994)
  • Computer Bits (December 1994)
  • Computer Bits (January 1995)
  • Computer Bits (February 1995)
  • Computer Bits (March 1995)
  • Computer Bits (April 1995)
  • CMOS Memory Settings - What To Do When The Battery Goes Flat (May 1995)
  • Computer Bits (July 1995)
  • Computer Bits (September 1995)
  • Computer Bits: Connecting To The Internet With WIndows 95 (October 1995)
  • Computer Bits (December 1995)
  • Computer Bits (January 1996)
  • Computer Bits (February 1996)
  • Computer Bits (March 1996)
  • Computer Bits (May 1996)
  • Computer Bits (June 1996)
  • Computer Bits (July 1996)
  • Computer Bits (August 1996)
  • Computer Bits (January 1997)
  • Computer Bits (April 1997)
  • Windows 95: The Hardware That's Required (May 1997)
  • Turning Up Your Hard Disc Drive (June 1997)
  • Computer Bits (July 1997)
  • Computer Bits: The Ins & Outs Of Sound Cards (August 1997)
  • Computer Bits (September 1997)
  • Computer Bits (October 1997)
  • Computer Bits (November 1997)
  • Computer Bits (April 1998)
  • Computer Bits (June 1998)
  • Computer Bits (July 1998)
  • Computer Bits (November 1998)
  • Computer Bits (December 1998)
  • Control Your World Using Linux (July 2011)
Articles in this series:
  • The Way I See It (November 1987)
  • The Way I See It (December 1987)
  • The Way I See It (January 1988)
  • The Way I See It (February 1988)
  • The Way I See It (March 1988)
  • The Way I See It (April 1988)
  • The Way I See It (May 1988)
  • The Way I See It (June 1988)
  • The Way I See it (July 1988)
  • The Way I See It (August 1988)
  • The Way I See It (September 1988)
  • The Way I See It (October 1988)
  • The Way I See It (November 1988)
  • The Way I See It (December 1988)
  • The Way I See It (January 1989)
  • The Way I See It (February 1989)
  • The Way I See It (March 1989)
  • The Way I See It (April 1989)
  • The Way I See It (May 1989)
  • The Way I See It (June 1989)
  • The Way I See It (July 1989)
  • The Way I See It (August 1989)
  • The Way I See It (September 1989)
  • The Way I See It (October 1989)
  • The Way I See It (November 1989)
  • The Way I See It (December 1989)
Articles in this series:
  • The Evolution of Electric Railways (November 1987)
  • The Evolution of Electric Railways (December 1987)
  • The Evolution of Electric Railways (January 1988)
  • The Evolution of Electric Railways (February 1988)
  • The Evolution of Electric Railways (March 1988)
  • The Evolution of Electric Railways (April 1988)
  • The Evolution of Electric Railways (May 1988)
  • The Evolution of Electric Railways (June 1988)
  • The Evolution of Electric Railways (July 1988)
  • The Evolution of Electric Railways (August 1988)
  • The Evolution of Electric Railways (September 1988)
  • The Evolution of Electric Railways (October 1988)
  • The Evolution of Electric Railways (November 1988)
  • The Evolution of Electric Railways (December 1988)
  • The Evolution of Electric Railways (January 1989)
  • The Evolution Of Electric Railways (February 1989)
  • The Evolution of Electric Railways (March 1989)
  • The Evolution of Electric Railways (April 1989)
  • The Evolution of Electric Railways (May 1989)
  • The Evolution of Electric Railways (June 1989)
  • The Evolution of Electric Railways (July 1989)
  • The Evolution of Electric Railways (August 1989)
  • The Evolution of Electric Railways (September 1989)
  • The Evolution of Electric Railways (October 1989)
  • The Evolution of Electric Railways (November 1989)
  • The Evolution Of Electric Railways (December 1989)
  • The Evolution of Electric Railways (January 1990)
  • The Evolution of Electric Railways (February 1990)
  • The Evolution of Electric Railways (March 1990)
Cash in your surplus gear. Advertise it here in Silicon Chip. CLASSIFIED ADVERTISING COUPON Advertising rates for this page: Classified ads - $7 .00 for up to 15 words plus 40 cents tor each additional word ; Display ads (casual rate) - $20 per column centimetre (max. 10cm). Closing date: five weeks prior to month of sale. It you use a PO Box number, you must include your permanent address and phone number for our files. We cannot accept ads submitted without this information. To run your own classified ad , put one word on each of the lines below and send this form with your payment to: Silicon Chip Classifieds , PO Box 139 , Collaroy Beach , NSW 2097. PLEASE PRINT EACH WORD SEPARATELY, IN BLOCK LETTERS 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ($7 .00) 16 ($740) 17 ($7 80) 18 ($820) 19 ($8.60) 20 ($9.00) 21 ($9.40) 22 ($980) 23 ($1020) 24 ($10.60) 25 ($11 00) 26 ($1140) 27 ($11.80) 28 ($12.20) 29 ($12 .60) 30 ($1300) Name · ·· · · · ·• •· ·· · Street ··· ··· ·· · ···· ··· ···· · ·· ·· · · ·· · · ·· · · · · · ·· · · ··· · · · ·· · · · · · ·· · · · ·· · · · ·· ••· - Postcode Suburb/Town Enclosed is my cneque or money order for $ ... ... .. .. _____ ______ __ __ _or please debit my Bankcard D Visa Card D MasterCard D Card No i I Signature .. ...... Card expiry date ...... ./ ...... ./ ........ FAX THIS COUPON WITH YOUR CREDIT CARD DETAILS TO (02) 982 9553 FOR SALE SATFAX: WEATHER SATELLITE receiving program for IBM XT/AT. Displays in 64 colours. Needs EGA colour monitor & card , AM demodulator & ADC interface. $45 plus $3 postage . RADFAX2 HF weather fax, Morse & RTTY receiving program for IBM XT/AT. Needs CGA, SSS HF, FSK/tone decoder. Also " RF2HERC" & "RF2EGA" , same as RADFAX2 but suitable for Hercules & EGA cards respectively . $35 plus $3 postage. All programs are on 5.25-inch 360K floppy disc & include full documentation . Only from -Michael Delahunty, 42 110 SILICON CHIP Villiers St, New Farm , Qld 4005 . Phone (07) 358 2785. RADAR INVISIBILITY, locksmithing, surveillance, improvised chemistry, fireworks etc . Books on unusual topics. Send SSAE for catalog to Vector Press, PO Box 434, Brighton, SA 5048. RESISTORS, 1 % METAL film, 0 .6 watt. Finest German quality, 7c each , $6 per hundred, any mixed values . SAE for free sample & data sheet. Also BUX80 $7 , 2N3055 $2 .35, BC547 12c, 2N3019 $1 .20, HEF40508 80c, 1 0nF greencap 20c, 1 00nF monolithic 15c, 220nF 630 volt MEMORY CHIPS D RAM PRICES AT 31st July, 1989 Type 4x2 56 1Mb 1Mb - 256 150ns 120ns 100ns 100ns ?Ons ?Ons 1 OOns 100ns 80ns 9 x100 8 x100 9x80 SuitabiHty Price ex tax XT's AT's 12Mhz NEC 20Mhz Comp Laptop 18 pin $5.90 $6 .20 $6.60 $6 .90 $9 .20 $12 .50 $21.50 $21.50 $23.30 $245.00 $230.00 $280.00 Simm Mac Simm Fast Simm Discounts on large orders Sales Tax add 20% PELHAM Tel (02) 427 0011 Fax (02) 428 5460 TECHNICIANS Secure your future! Develop your communication skills and enhance your employment opportunities . How? Invest in the world famous SMI training kit and you too can join the hundreds of success stories. Telephone (02) 821 1282 today for more details. polycarbonate $2. P&P NSW $2.50, interstate $3.50. Extended Pulse Burn Electronic Ignition: full kit $70, fully built and tested $99 postpaid. Chipspeed Electronics, PO Box 337, Wentworthville, NSW 2145. 1M PRINTER BUFFER KIT. Rev H boards now available. Supports 8K to 1M. $39 kit consists of double sided PCB, EPROM and instructions. Optional additions include 2 x 7 -segment LED front panel display of percentage full, 1 to 99 copies select, 3 polled computer inputs, printer switches, computer switches and serial converter boards. For a free catalog send a 39c stamp to Don McKenzie, 29 Ellesmere Crescent, Tullamarine 3043 . WANTED WANTED TO BUY: infrared image converter valves type XX1080. Contact C. Voarino on (086) 28 2435 anytime.