Silicon ChipSilicon Chip 5th Birthday Sweepstakes - April 1993 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Forecasting electronic developments in cars
  4. Feature: The Story of Electrical Energy by Bryan Maher
  5. Project: A Solar-Powered Electric Fence by Branco Justic
  6. Feature: Silicon Chip 5th Birthday Sweepstakes
  7. Project: Build An Audio Power Meter by Darren Yates
  8. Back Issues
  9. Serviceman's Log: The path of TV service never did run smooth by The TV Serviceman
  10. Project: Three-Function Home Weather Station by John Clarke
  11. Feature: Remote Control by Bob Young
  12. Project: 12VDC To 70VDC Step-Up Voltage Converter by Darren Yates
  13. Order Form
  14. Feature: Computer Bits by Joe Elkhorne
  15. Product Showcase
  16. Project: A Digital Clock With Battery Back-Up by Darren Yates
  17. Vintage Radio: Restoring an old radio chassis by John Hill
  18. Market Centre
  19. Advertising Index
  20. Outer Back Cover

This is only a preview of the April 1993 issue of Silicon Chip.

You can view 48 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 Technology Letters, Pt.2 (January 1989)
  • The Story Of Electrical Energy (July 1990)
  • The Story Of Electrical Energy; Pt.2 (August 1990)
  • The Story Of Electrical Energy; Pt.3 (September 1990)
  • The Story Of Electrical Energy; Pt.4 (October 1990)
  • The Story Of Electrical Energy; Pt.5 (November 1990)
  • The Story Of Electrical Energy; Pt.6 (December 1990)
  • The Story Of Electrical Energy; Pt.7 (January 1991)
  • The Story Of Electrical Energy; Pt.8 (February 1991)
  • The Story Of Electrical Energy; Pt.9 (March 1991)
  • The Story Of Electrical Energy; Pt.10 (May 1991)
  • The Story Of Electrical Energy; Pt.11 (July 1991)
  • The Story Of Electrical Energy; Pt.12 (August 1991)
  • The Story Of Electrical Energy; Pt.13 (September 1991)
  • The Story Of Electrical Energy; Pt.14 (October 1991)
  • The Story Of Electrical Energy; Pt.15 (November 1991)
  • The Story Of Electrical Energy; Pt.16 (December 1991)
  • The Story Of Electrical Energy; Pt.17 (January 1992)
  • The Story Of Electrical Energy; Pt.18 (March 1992)
  • The Story Of Electrical Energy; Pt.19 (August 1992)
  • The Story of Electrical Energy; Pt.20 (September 1992)
  • The Story Of Electrical Energy; Pt.21 (November 1992)
  • The Story Of Electrical Energy; Pt.22 (January 1993)
  • The Story of Electrical Energy (April 1993)
  • The Story Of Electrical Energy; Pt.24 (May 1993)
  • The Story Of Electrical Energy; Pt.24 (June 1993)
Items relevant to "Build An Audio Power Meter":
  • Silicon Chip article scan, April 1993 - Audio Power Meter (AUD $10.00)
  • Audio Power Meter PCB pattern (PDF download) [01105931] (Free)
Items relevant to "Three-Function Home Weather Station":
  • 3-Function Home Weather Station PCB patterns (PDF download) [04201931/2] (Free)
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 "12VDC To 70VDC Step-Up Voltage Converter":
  • 12V DC to 70V DC Step-Up Converter PCB pattern (PDF download) [11102931] (Free)
Articles in this series:
  • Computer Bits (July 1989)
  • Computer Bits (August 1989)
  • Computer Bits (September 1989)
  • Computer Bits (October 1989)
  • Computer Bits (November 1989)
  • Computer Bits (January 1990)
  • Computer Bits (April 1990)
  • Computer Bits (October 1990)
  • Computer Bits (November 1990)
  • Computer Bits (December 1990)
  • Computer Bits (January 1991)
  • Computer Bits (February 1991)
  • Computer Bits (March 1991)
  • Computer Bits (April 1991)
  • Computer Bits (May 1991)
  • Computer Bits (June 1991)
  • Computer Bits (July 1991)
  • Computer Bits (August 1991)
  • Computer Bits (September 1991)
  • Computer Bits (October 1991)
  • Computer Bits (November 1991)
  • Computer Bits (December 1991)
  • Computer Bits (January 1992)
  • Computer Bits (February 1992)
  • Computer Bits (March 1992)
  • Computer Bits (May 1992)
  • Computer Bits (June 1992)
  • Computer Bits (July 1992)
  • Computer Bits (September 1992)
  • Computer Bits (October 1992)
  • Computer Bits (November 1992)
  • Computer Bits (December 1992)
  • Computer Bits (February 1993)
  • Computer Bits (April 1993)
  • Computer Bits (May 1993)
  • Computer Bits (June 1993)
  • Computer Bits (October 1993)
  • Computer Bits (March 1994)
  • Computer Bits (May 1994)
  • Computer Bits (June 1994)
  • Computer Bits (July 1994)
  • Computer Bits (October 1994)
  • Computer Bits (November 1994)
  • Computer Bits (December 1994)
  • Computer Bits (January 1995)
  • Computer Bits (February 1995)
  • Computer Bits (March 1995)
  • Computer Bits (April 1995)
  • CMOS Memory Settings - What To Do When The Battery Goes Flat (May 1995)
  • Computer Bits (July 1995)
  • Computer Bits (September 1995)
  • Computer Bits: Connecting To The Internet With WIndows 95 (October 1995)
  • Computer Bits (December 1995)
  • Computer Bits (January 1996)
  • Computer Bits (February 1996)
  • Computer Bits (March 1996)
  • Computer Bits (May 1996)
  • Computer Bits (June 1996)
  • Computer Bits (July 1996)
  • Computer Bits (August 1996)
  • Computer Bits (January 1997)
  • Computer Bits (April 1997)
  • Windows 95: The Hardware That's Required (May 1997)
  • Turning Up Your Hard Disc Drive (June 1997)
  • Computer Bits (July 1997)
  • Computer Bits: The Ins & Outs Of Sound Cards (August 1997)
  • Computer Bits (September 1997)
  • Computer Bits (October 1997)
  • Computer Bits (November 1997)
  • Computer Bits (April 1998)
  • Computer Bits (June 1998)
  • Computer Bits (July 1998)
  • Computer Bits (November 1998)
  • Computer Bits (December 1998)
  • Control Your World Using Linux (July 2011)
Items relevant to "A Digital Clock With Battery Back-Up":
  • Digital Clock with Battery Backup PCB patterns (PDF download) [04101931-3] (Free)
FIFTH BIRTHDAY SWEEPSTAKES: THE PRIZEWINNERS The SILICON CHIP 5th Birthday sweepstakes closed on March 1st and the prizes were drawn on March 5th. The winners are as follows: Grand Prize: Ford Festiva 3-door sedan W.R. Jongeneelen of Bargo, NSW. S. Liawatimena of Mt Lawley, WA. S. Rowcliff of Alangula, NT. S. Hain of Cooma, NSW. from Altronics: 15 temperature controlled soldering stations K. S. Jaffrey of Nelly Bay, Qld. M. J. Morel of West Melbourne, Vic. D. J. Birch of Gracemere, Qld. B. Carvey of Hammondville, NSW. J. W. F. De Vos of Prospect, NSW. L. J. Connelly of Kerang, Vic. D. Hall of Salisbury East, SA. R. C. Hilton of Mt Pleasant, WA. I. Beament of Balgowlah Hts, NSW. R. Miller of Corinda, Qld. A. Pavnovic of Christie Downs, SA. V. Caldwell of Balgownie, NSW. from A-One Electronics: 2 Mk 5 surround sound processors plus Mk 5 120W stereo power amplifiers J. H. Norton of Narellan, NSW. G. Bangerter of Belair, SA. 1 Magnet 10 vacuum tube stereo preamplifier and Magnet 120W stereo power amplifier R. Koerner of Voyager Point, NSW. from Av-Comm Pty Ltd: 1 satellite dish and receiver system R. Coleman of Leonay, NSW. The prizes for our 5th Birthday Sweepstakes were drawn by Gary Johnston (left), Managing Director ofJaycar Electronics. 2 Signal RX-550 aircraft receivers R. Morris of Bowen, Qld. R. Chan of St Albans, Vic. from Breakthrough Computers: 3 CAD software packages D. F. Crepih of Boonah, Qld. M. Flanigan of Ipswich, Qld. V. Jessup -of Maffra, Vic. from Emona Instruments: 5 logic bridges W. Dniprowyi of Woodville South, SA. P. Francis of Marrickville, NSW. D. L. Robins of Toogoolawah, Qld . B. Flanigan of Churchill, Vic. H. Nguyen of Springvale South, Vic. from Jaycar Electronics: 3 electronic security systems 0. Middleton of Liverpool, NSW. J. C. Moulder of Warwick, Qld. P. Bloomfield of Mt Helena, WA. from Pelham Pty Ltd: 3 CD-ROM packages R. G. Dunlop of Capalaba, Qld. P. Fowler of Crescent Head, NSW. P. Francis of Mandurah, WA. from Philips: 3 Philips/Fluke 50MHz Scopemeters P. Dixon of Tantanoola, SA. R. Sommerville of Charlestown, NSW. J. Bromell of Tabulam, NSW. from Scan Audio: 1 pair Jamo loudspeakers A. Perkins of Devon port, Tas. 1 pair Peerless PSK60/2 loudspeaker kits B. Bone of Mildura, Vic. 1 pair of DynAudio Image 5 loudspeakers E. Degraeve of Sunshine, Vic. APRIL 1993 21