Silicon ChipContents - April 1989 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Writing for Silicon Chip
  4. Feature: Electronics For Everyone by Leo Simpson
  5. Vintage Radio: Advice to the budding collector by John Hill
  6. Project: Telephone Bell/Monitor Transmitter by Greg Swain & Malcolm Young
  7. Project: Flasher Circuit For Auxiliary Brake Lights by Bob Flynn & Greg Swain
  8. Project: Build a LED Message Board by Don McKenzie
  9. Subscriptions
  10. Feature: Amateur Radio by Garry Cratt, VK2YBX
  11. Project: Studio Series 32-Band Equaliser by Leo Simpson & John Clarke
  12. Review: Fluke's New 80 Series Multimeters by Leo Simpson
  13. Feature: The Way I See It by Neville Williams
  14. Serviceman's Log: When VCR means Very Crook Recorder by The Original TV Serviceman
  15. Feature: The Evolution of Electric Railways by Bryan Maher
  16. Back Issues
  17. Market Centre
  18. Advertising Index
  19. Outer Back Cover

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

You can view 42 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:
  • 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:
  • Build a LED Message Board (March 1989)
  • Build a LED Message Board (April 1989)
  • Build a LED Message Board (May 1989)
  • Build a LED Message Board (June 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)
Items relevant to "Studio Series 32-Band Equaliser":
  • Silicon Chip article scan, April 1989 - Studio Series 32-Band 1/3-Octave Equaliser Pt2 (AUD $10.00)
  • Silicon Chip article scan, March 1989 - Studio Series 32-Band 1/3-Octave Equaliser (AUD $10.00)
  • Silicon Chip article scan, April 1989 - Studio Series 32-Band 1/3-Octave Equaliser Pt2 (AUD $10.00)
Articles in this series:
  • Studio Series 32-Band Equaliser (March 1989)
  • Studio Series 32-Band Equaliser (April 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:
  • 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)
APRIL 1989 PLUG THIS SIMPLE device m parallel with your phone and it will broadcast the phone ring tone to a portable FM radio. We show you how to build it starting page 22 FEATURES 4 Electronics For Everyone by Leo Simpson Pt.2: what you need to know about capacitors 56 Fluke's New 80 Series Multimeters by Leo Simpson Measure frequency , duty cycle and capacitance 82 The Evolution of Electric Railways by Bryan Maher Pt.18: the story of Amtrak passenger services PROJECTS TO BUILD 22 Telephone Bell#Monitor Transmitter by Greg Swain Broadcasts the ring tone to your FM portable THIS FLASHER CIRCUIT is designed to flash an auxiliary brake lamp five or six times when ever the brake pedal is depressed. Build it and reduce your chances of a rear end shunt - see page 30 30 Flasher Circuit For Auxiliary Brake Lights by Bob Flynn Helps prevent rear-end shunts 36 Build a LED Message Board by Don McKenzie Pt.2: how the interface circuitry works 46 Studio Series 32-Band Equaliser by John Clarke Pt.2: how to build it & where to buy it SPECIAL COLUMNS 18 Vintage Radio by John Hill Advice to the budding collector 42 Amateur Radio by Garry Cratt The Dick Smith satellite-TV receiver 62 The Way I See It by Neville Williams What's happened to wide-screen high-definition 3D television? 70 Serviceman's Log by the original TV serviceman When VCR means Very Crook Recorder I DEPARTMENTS 2 Publisher's Letter 41 Subscription Page 80 Circuit Notebook 89 Product Showcase 92 Ask Silicon Chip 94 Notes & Errata 95 Back Issues 96 Market Centre OUR TV SERVICEMAN got all tangled up this month but eventually discovered the true meaning of "VCR" . What does it mean? - turn to page 70 _____ . _:: _:~;~::::::;::::m;~t:mm:!::£. • . _,... , BECAUSE THE PARTS are all mounted on three PCBs, our new 32-band 113-octave equaliser is easy to build. Construction starts on page 46 A PRIL 1989 1