Silicon ChipContents - January 1989 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: The great dry battery recharging conspiracy
  4. Feature: The Goalkeeper Gatling Gun by Leo Simpson
  5. Feature: How to Service Car Cassette Players by Homer L. Davidson
  6. Subscriptions
  7. Vintage Radio: Troubleshooting the transformers by John Hill
  8. Project: Ultrasonic Proximity Detector for Cars by John Clarke & Greg Swain
  9. Project: A Line Filter For Your Computer by Leo Simpson
  10. Project: 120 Watt Public Address Amplifier, Pt.2 by Leo Simpson
  11. Serviceman's Log: Copping it right in the neck by The Original TV Serviceman
  12. Feature: The Way I See It by Neville Williams
  13. Project: Simple Computer Sound Repeater by Leo Simpson & John Clarke
  14. Feature: Amateur Radio by Garry Cratt, VK2YBX
  15. Feature: Kit Clinic & the UHF Remote Switch by John Clarke
  16. Feature: The Evolution of Electric Railways by Bryan Maher
  17. Back Issues
  18. Market Centre
  19. Advertising Index
  20. Outer Back Cover

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

You can view 38 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:
  • 120 Watt Public Address Amplifier (December 1988)
  • 120 Watt Public Address Amplifier, Pt.2 (January 1989)
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:
  • 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:
  • Kit Clinic & The 100W Power Module (December 1988)
  • Kit Clinic & the UHF Remote Switch (January 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)
JANUARY 1 989 FEATURES HAVING TROUBLES WITH your car's radio-cassette player? We show you how to service it yourself and save money. See page 6. 4 The Goalkeeper Gatling Gun by Leo Simpson 6 18 40 78 80 Last ditch anti-missile defence How to Service Car Cassette Players by H. Davidson Do the job yourself and save money Marantz LDSO Loudspeakers by Leo Simpson Compact 2-way system has bi-ground wiring terminals The Technology Letters, Pt.2 by Richard Kopf An American settles in Australia Kit Clinic & the UHF Remote Switch by John Clarke It will work only if you follow the instructions The Evolution of Electric Railways by Bryan Maher Pt.15: Massive diesel electrics in the USA PROJECTS TO BUILD 26 Ultrasonic Proximity Detector for Cars by Greg Swain Stops those embarrasing dings & scrapes 32 A Line Filter For Your Computer by Leo Simpson Filters interference & dangerous spike voltages 44 120 Watt Public Address Amplifier, Pt.2 by Bob Flynn Wiring details and final assembly 68 Simple Computer Sound Repeater by John Clarke Don't put up with a weak beeper THIS SIMPLE ULTRASONIC distance indicator will stop those embarrassing parking dings and scrapes. We show you how to build it starting page 26. SPECIAL COLUMNS 14 Vintage Radio by John Hill Troubleshooting the transformers 54 Serviceman's Log by the original TV serviceman Copping it right in the neck 62 The Way I See It by Neville Williams Feeling really crook? You may need an electron transfer! 71 Amateur Radio by Garry Cratt Relative signal strength indicator for scanners AN IMPLODING TV picture tube can do a lot of damage but our serviceman wasn't sucked in. His story starts on page 54. DEPARTMENTS 2 Publisher's Letter 86 Product Showcase 3 Mailbag 92 Ask Silicon Chip 94 Notes & Errata 11 Subscription Page 20 Bookshelf 38 Circuit Notebook 95 Back Issues 96 Market Centre IF YOUR COMPUTER often crashes, the Mains Muzzler line filter may be the solution. It filters mains-borne interference and clips dangerous spike voltages. Details page 32. JANUARY 1989 1