Silicon ChipContents - June 1989 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Editorial content: juggling the mix isn't easy
  4. Feature: Understanding Oscilloscope Probes by Jonathon Gordon
  5. Project: Passive Loop Antenna For AM Radios by Greg Swain
  6. Vintage Radio: Collecting & restoring horn speakers by John Hill
  7. Feature: The Way I See It by Neville Williams
  8. Serviceman's Log: Look before you leap by The TV Serviceman
  9. Project: Build The Touch-Lamp Dimmer by Leo Simpson
  10. Project: Universal Temperature Controller by Branco Justic & Jeff Monegal
  11. Feature: Amateur Radio by Garry Cratt, VK2YBX
  12. Review: Sangean ATS-803A Shortwave Receiver by Garry Cratt, VK2YBX
  13. Subscriptions
  14. Project: Build a LED Message Board by Don McKenzie
  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 June 1989 issue of Silicon Chip.

You can view 44 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:
  • 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:
  • 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:
  • 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)
JUNE 1989 FEATURES 4 Understanding Oscilloscope Probes by Jonathon Gordon IT MAY LOOK SIMPLE but this loop antenna can dramatically boost AM radio signals. It's ideal for country listeners and for use in caravans. Details page 10. How they can affect your measurements 67 Sangean ATS-803A Shortwave Receiver by Garry Cratt Covers 150kHz-30MHz & receives CW, SSB & FM as well 80 The Evolution of Electric Railways by Bryan Maher Pt.20: Amtrak's monster vs. a Swiss thoroughbred PROJECTS TO BUILD 10 Passive Loop Antenna For AM Radios by Greg Swain Dramatically boosts AM radio reception 48 Build the Touch-Lamp Dimmer by Leo Simpson One touch & it's on. And you can dim up or down IS RADIATION FROM power cables dangerous? We take a look at some of the outrageous claims that are being made. Turn to page 24. 60 Universal Temperature Controller by Branco Justic Ideal for fish tanks, beer brewing & hatcheries 70 Build a LED Message Board by Don McKenzie Pt.4: building & testing the display panel SPECIAL COLUMNS 16 Vintage Radio by John Hill Collecting & restoring horn speakers 24 The Way I See It by Neville Williams Back to the stone age: down with audio, radio & AC mains! 34 Serviceman's Log by the TV serviceman Look before you leap 66 Amateur Radio by Garry Cratt Coherent CW - THIS TOUCH-LAMP dimmer circuit lets you turn your lights on & dim them at a touch. Construction starts on page 48. a new low-power transmission technique DEPARTMENTS Publisher's Letter Mailbag Circuit Notebook Product Showcase 69 Subscription Page 2 3 32 88 86 92 94 95 96 Bookshelf Ask Silicon Chip Notes & Errata Back Issues Market Centre YOU CAN BUILD this temperature controller for less than $40. It will keep the temperature of a liquid in a tank or air in an enclosure to within ± 1 °C. See page 60. JU N E 1989 1