Silicon ChipContents - December 1989 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Dynamic RAMs are getting bigger & cheaper
  4. Subscriptions
  5. Feature: Install A Clock Card In Your Computer by Leo Simpson
  6. Vintage Radio: Scrounging bits and pieces by John Hill
  7. Feature: Remote Control by Bob Young
  8. Project: Digital Voice Recorder Board by John Clarke
  9. Serviceman's Log: Knowing when to draw the line by The TV Serviceman
  10. Project: Easy To Build UHF Remote Switch by Greg Swain
  11. Back Issues
  12. Feature: Computer Bits by Jennifer Bonnitcha
  13. Project: Balanced Input/Output Stages by John Clarke
  14. Feature: The Evolution Of Electric Railways by Bryan Maher
  15. Feature: Amateur Radio by Garry Cratt, VK2YBX
  16. Feature: The Way I See It by Neville Williams
  17. Feature: The LM831 Low Voltage Audio Amplifier by Darren Yates
  18. Ask Silicon Chip
  19. Feature: Index to Volume 2: Jan-Dec 1989
  20. Market Centre
  21. Advertising Index
  22. Outer Back Cover

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

You can view 62 of the 120 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:
  • Remote Control (October 1989)
  • Remote Control (November 1989)
  • Remote Control (December 1989)
  • Remote Control (January 1990)
  • Remote Control (February 1990)
  • Remote Control (March 1990)
  • Remote Control (April 1990)
  • Remote Control (May 1990)
  • Remote Control (June 1990)
  • Remote Control (August 1990)
  • Remote Control (September 1990)
  • Remote Control (October 1990)
  • Remote Control (November 1990)
  • Remote Control (December 1990)
  • Remote Control (April 1991)
  • Remote Control (July 1991)
  • Remote Control (August 1991)
  • Remote Control (October 1991)
  • Remote Control (April 1992)
  • Remote Control (April 1993)
  • Remote Control (November 1993)
  • Remote Control (December 1993)
  • Remote Control (January 1994)
  • Remote Control (June 1994)
  • Remote Control (January 1995)
  • Remote Control (April 1995)
  • Remote Control (May 1995)
  • Remote Control (July 1995)
  • Remote Control (November 1995)
  • Remote Control (December 1995)
Items relevant to "Computer Bits":
  • Model Railway Receiver/Decoder Module PCB patterns (PDF download) [09105981/2] (Free)
  • Model Railway Command Control PCB patterns (PDF download) [09102981/09103981] (Free)
Articles in this series:
  • Computer Bits (December 1989)
  • Command Control For Model Railways; Pt.1 (January 1998)
  • Command Control For Model Railways; Pt.2 (February 1998)
  • Command Control For Model Railways; Pt.3 (March 1998)
  • Command Control For Model Railways; Pt.4 (May 1998)
  • Command Control For Model Railways; Pt.5 (June 1998)
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)
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:
  • 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)
DECEMBER 1 989 FEATURES 6 Install A Clock Card In Your Computer THIS DIGITAL VOICE board can be connected to a computer, used in a security system, or used to monitor various functions in ·your car. When triggered, it delivers one 'of four separate voice messages. See page 24. by Leo Simpson Plug-in card comes with full instructions 82 The Evolution Of Electric Railways by Bryan Maher Pt.26: the Pilbara iron ore railways (2) 112 The LM831 Low Voltage Audio Amplifier by D. Yates New dual audio amplifier chip from National Semiconductor 118 Index To Volume 2: Jan-Dec 1989 by Greg Swain Use this handy reference to track down articles PROJECTS TO BUILD 24 Digital Voice Recorder Board by John Clarke Versatile unit stores up to four separate voice messages PREVIOUS UHF REMOTE switches have been tricky to build but not this one. The transmitter is supplied readymade so all you have to do is assemble the receiver. Details page 46. 46 Easy To Build UHF Remote Switch by Greg Swain Features a ready made transmitter 74 Balanced Input/Output Stages by John Clarke Add them to the Studio Series equalisers SPECIAL COLUMNS 8 Vintage Radio by John Hill Scrounging bits and pieces 12 Remote Control by Bob Young Operating an R/C transmitter 34 Serviceman's Log by the TV serviceman Knowing when to draw the line 70 Computer Bits by Jennifer Bonnitcha Adding RAM to your computer 92 Amateur Radio by Garry Cratt Simple HF receiver for the 40-metre band NO,THE SERVICEMAN didn't ~) hit it with a hammer ~ although he probably felt like it. Why? See page 34. 98 The Way I See It by Neville Williams Broadcast television: an industry that's not sure where it's going DEPARTMENTS 2 Publisher's Letter 3 Mailbag 4 Subscription Page 21 Circuit Notebook 69 Back Issues 80 Silicon Chip Binders 81 Bookshelf 105 Product Showcase 116 Ask Silicon Chip 120 Market Centre WHAT - NO CLOCK card in your computer? This low-cost unit will fix that problem. Turn to page 6. DECEMBER 1989 1