Silicon ChipContents - September 1994 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Where to now for satellite TV?
  4. Feature: How To Use The TEA1100 Fast Nicad Charger IC by Darren Yates & Leo Simpson
  5. Feature: Electronic Engine Management; Pt.12 by Julian Edgar
  6. Project: Automatic Discharger For Nicad Battery Packs by John Clarke
  7. Project: Build The MiniVox Voice Operated Relay by Darren Yates
  8. Project: An Image Intensified Night Viewer by Leo Simpson
  9. Serviceman's Log: Lightning strikes thrice by The TV Serviceman
  10. Order Form
  11. Project: An AM Radio For Aircraft Weather Beacons by Darren Yates
  12. Feature: Amateur Radio by Garry Cratt, VK2YBX
  13. Project: Dual Diversity Tuner For FM Microphones; Pt.2 by John Clarke
  14. Book Store
  15. Vintage Radio: Building a classic crystal set by John Hill
  16. Feature: Remote Control by Bob Young
  17. Product Showcase
  18. Back Issues
  19. Notes & Errata: Microprocessor-Controlled Nicad Battery Charger, September 1993; 4-Bay Bow Tie UHF Antenna, July 1994; Discrete Dual Supply Voltage Regulator, April 1994; Fast Charger for Nicad Batteries, May 1994; Dual Diversity FM Tuner, August 1994
  20. Market Centre
  21. Advertising Index
  22. Outer Back Cover

This is only a preview of the September 1994 issue of Silicon Chip.

You can view 30 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:
  • Electronic Engine Management; Pt.1 (October 1993)
  • Electronic Engine Management; Pt.1 (October 1993)
  • Electronic Engine Management; Pt.2 (November 1993)
  • Electronic Engine Management; Pt.2 (November 1993)
  • Electronic Engine Management; Pt.3 (December 1993)
  • Electronic Engine Management; Pt.3 (December 1993)
  • Electronic Engine Management; Pt.4 (January 1994)
  • Electronic Engine Management; Pt.4 (January 1994)
  • Electronic Engine Management; Pt.5 (February 1994)
  • Electronic Engine Management; Pt.5 (February 1994)
  • Electronic Engine Management; Pt.6 (March 1994)
  • Electronic Engine Management; Pt.6 (March 1994)
  • Electronic Engine Management; Pt.7 (April 1994)
  • Electronic Engine Management; Pt.7 (April 1994)
  • Electronic Engine Management; Pt.8 (May 1994)
  • Electronic Engine Management; Pt.8 (May 1994)
  • Electronic Engine Management; Pt.9 (June 1994)
  • Electronic Engine Management; Pt.9 (June 1994)
  • Electronic Engine Management; Pt.10 (July 1994)
  • Electronic Engine Management; Pt.10 (July 1994)
  • Electronic Engine Management; Pt.11 (August 1994)
  • Electronic Engine Management; Pt.11 (August 1994)
  • Electronic Engine Management; Pt.12 (September 1994)
  • Electronic Engine Management; Pt.12 (September 1994)
  • Electronic Engine Management; Pt.13 (October 1994)
  • Electronic Engine Management; Pt.13 (October 1994)
Items relevant to "Automatic Discharger For Nicad Battery Packs":
  • 3-10 Cell Nicad Discharger PCB pattern (PDF download) [14306941] (Free)
Items relevant to "Build The MiniVox Voice Operated Relay":
  • MiniVox Voice Operated Relay PCB pattern (PDF download) [06109941] (Free)
Items relevant to "An AM Radio For Aircraft Weather Beacons":
  • Aircraft Weather Beacon Radio PCB pattern (PDF download) [06107941] (Free)
Articles in this series:
  • Amateur Radio (November 1987)
  • Amateur Radio (November 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (February 1988)
  • Amateur Radio (February 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (January 1989)
  • Amateur Radio (January 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (February 1990)
  • Amateur Radio (February 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (July 1990)
  • Amateur Radio (July 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (January 1991)
  • Amateur Radio (January 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (January 1992)
  • Amateur Radio (January 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (January 1993)
  • Amateur Radio (January 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (February 1994)
  • Amateur Radio (February 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (January 1995)
  • Amateur Radio (January 1995)
  • CB Radio Can Now Transmit Data (March 2001)
  • CB Radio Can Now Transmit Data (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • Stressless Wireless (October 2004)
  • Stressless Wireless (October 2004)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Dorji 433MHz Wireless Data Modules (January 2012)
  • Dorji 433MHz Wireless Data Modules (January 2012)
Items relevant to "Dual Diversity Tuner For FM Microphones; Pt.2":
  • Dual FM Microphone Diversity Tuner PCB pattern (PDF download) [06307941] (Free)
Articles in this series:
  • Dual Diversity Tuner For FM Microphones; Pt.1 (August 1994)
  • Dual Diversity Tuner For FM Microphones; Pt.1 (August 1994)
  • Dual Diversity Tuner For FM Microphones; Pt.2 (September 1994)
  • Dual Diversity Tuner For FM Microphones; Pt.2 (September 1994)
Articles in this series:
  • Remote Control (August 1994)
  • Remote Control (August 1994)
  • Remote Control (September 1994)
  • Remote Control (September 1994)
  • Remote Control (November 1994)
  • Remote Control (November 1994)
Vol.7, No.9; September 1994 FEATURES FEATURES   6 How To Use The TEA1100 Fast Nicad Charger IC by Leo Simpson Versatile chip features switchmode or linear operation 16 Electronic Engine Management, Pt.11 by Julian Edgar Fueltronics’ Turbo Control Centre RID YOUR NICAD batteries of the dreaded memory effect with this automatic discharger. It will discharge the pack to its correct endpoint voltage so that it can then be recharged to full capacity – see page 18. 87 Review: Metex M3850 Digital Multimeter by Marque Crozman All the usual features plus a PC interface PROJECTS TO TO BUILD BUILD PROJECTS 18 Automatic Discharger For Nicad Battery Packs by John Clarke Rids your batteries of the dreaded memory effect 31 Build The MiniVox Voice Operated Relay by Darren Yates Fast-acting unit fits on a small PC board 34 An Image Intensified Night Viewer by Leo Simpson THIS VOICE OPERATED RELAY (or VOX) is built on a compact PC board. It has almost no turn-on delay & a 3-second release time. Details page 31. Lets you see by just the light of the stars 54 An AM Radio For Aircraft Weather Beacons by Darren Yates Picks up airport weather beacons in the longwave band 66 Dual Diversity Tuner For FM Microphones; Pt.2 by John Clarke Construction & alignment details SPECIAL SPECIAL COLUMNS COLUMNS 40 Serviceman’s Log by the TV Serviceman Lightning strikes thrice 63 Amateur Radio by the TV Serviceman HERE’S A NIGHT VIEWER that’s ideal for wildlife observations or any other activity where you need to see in the dark. It uses a 3-stage image intensifier tube so that you don’t need a separate infrared light source. Details page 34. Using 2-line Keplerian elements to track satellites 80 Vintage Radio by John Hill Building a classic crystal set 84 Remote Control by Bob Young Modellers with dedication; Pt.2 DEPARTMENTS DEPARTMENTS   2 4 24 53 73 Publisher’s Letter Mailbag Circuit Notebook Order Form Bookshop 87 90 92 94 96 Product Showcase Back Issues Ask Silicon Chip Market Centre Advertising Index YOU CAN USE THIS simple radio to receive up-to-the-minute reports from airport weather beacons. It uses two ICs & operates in the longwave AM band – turn to page 54. Cover concept: Marque Crozman August 1994  1