Silicon ChipAdvertising Index - 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 Technology Letters, Pt.2 (January 1989)
  • The Story Of Electrical Energy (July 1990)
  • The Story Of Electrical Energy (July 1990)
  • The Story Of Electrical Energy; Pt.2 (August 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.3 (September 1990)
  • The Story Of Electrical Energy; Pt.4 (October 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.5 (November 1990)
  • The Story Of Electrical Energy; Pt.6 (December 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.7 (January 1991)
  • The Story Of Electrical Energy; Pt.8 (February 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.9 (March 1991)
  • The Story Of Electrical Energy; Pt.10 (May 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.11 (July 1991)
  • The Story Of Electrical Energy; Pt.12 (August 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.13 (September 1991)
  • The Story Of Electrical Energy; Pt.14 (October 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.15 (November 1991)
  • The Story Of Electrical Energy; Pt.16 (December 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.17 (January 1992)
  • The Story Of Electrical Energy; Pt.18 (March 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.19 (August 1992)
  • The Story of Electrical Energy; Pt.20 (September 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.21 (November 1992)
  • The Story Of Electrical Energy; Pt.22 (January 1993)
  • The Story Of Electrical Energy; Pt.22 (January 1993)
  • The Story of Electrical Energy (April 1993)
  • The Story of Electrical Energy (April 1993)
  • The Story Of Electrical Energy; Pt.24 (May 1993)
  • The Story Of Electrical Energy; Pt.24 (May 1993)
  • The Story Of Electrical Energy; Pt.24 (June 1993)
  • The Story Of Electrical Energy; Pt.24 (June 1993)
Items relevant to "Build An Audio Power Meter":
  • 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 (October 1989)
  • Remote Control (November 1989)
  • Remote Control (November 1989)
  • Remote Control (December 1989)
  • Remote Control (December 1989)
  • Remote Control (January 1990)
  • Remote Control (January 1990)
  • Remote Control (February 1990)
  • Remote Control (February 1990)
  • Remote Control (March 1990)
  • Remote Control (March 1990)
  • Remote Control (April 1990)
  • Remote Control (April 1990)
  • Remote Control (May 1990)
  • Remote Control (May 1990)
  • Remote Control (June 1990)
  • Remote Control (June 1990)
  • Remote Control (August 1990)
  • Remote Control (August 1990)
  • Remote Control (September 1990)
  • Remote Control (September 1990)
  • Remote Control (October 1990)
  • Remote Control (October 1990)
  • Remote Control (November 1990)
  • Remote Control (November 1990)
  • Remote Control (December 1990)
  • Remote Control (December 1990)
  • Remote Control (April 1991)
  • Remote Control (April 1991)
  • Remote Control (July 1991)
  • Remote Control (July 1991)
  • Remote Control (August 1991)
  • Remote Control (August 1991)
  • Remote Control (October 1991)
  • Remote Control (October 1991)
  • Remote Control (April 1992)
  • Remote Control (April 1992)
  • Remote Control (April 1993)
  • Remote Control (April 1993)
  • Remote Control (November 1993)
  • Remote Control (November 1993)
  • Remote Control (December 1993)
  • Remote Control (December 1993)
  • Remote Control (January 1994)
  • Remote Control (January 1994)
  • Remote Control (June 1994)
  • Remote Control (June 1994)
  • Remote Control (January 1995)
  • Remote Control (January 1995)
  • Remote Control (April 1995)
  • Remote Control (April 1995)
  • Remote Control (May 1995)
  • Remote Control (May 1995)
  • Remote Control (July 1995)
  • Remote Control (July 1995)
  • Remote Control (November 1995)
  • Remote Control (November 1995)
  • Remote Control (December 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 (July 1989)
  • Computer Bits (August 1989)
  • Computer Bits (August 1989)
  • Computer Bits (September 1989)
  • Computer Bits (September 1989)
  • Computer Bits (October 1989)
  • Computer Bits (October 1989)
  • Computer Bits (November 1989)
  • Computer Bits (November 1989)
  • Computer Bits (January 1990)
  • Computer Bits (January 1990)
  • Computer Bits (April 1990)
  • Computer Bits (April 1990)
  • Computer Bits (October 1990)
  • Computer Bits (October 1990)
  • Computer Bits (November 1990)
  • Computer Bits (November 1990)
  • Computer Bits (December 1990)
  • Computer Bits (December 1990)
  • Computer Bits (January 1991)
  • Computer Bits (January 1991)
  • Computer Bits (February 1991)
  • Computer Bits (February 1991)
  • Computer Bits (March 1991)
  • Computer Bits (March 1991)
  • Computer Bits (April 1991)
  • Computer Bits (April 1991)
  • Computer Bits (May 1991)
  • Computer Bits (May 1991)
  • Computer Bits (June 1991)
  • Computer Bits (June 1991)
  • Computer Bits (July 1991)
  • Computer Bits (July 1991)
  • Computer Bits (August 1991)
  • Computer Bits (August 1991)
  • Computer Bits (September 1991)
  • Computer Bits (September 1991)
  • Computer Bits (October 1991)
  • Computer Bits (October 1991)
  • Computer Bits (November 1991)
  • Computer Bits (November 1991)
  • Computer Bits (December 1991)
  • Computer Bits (December 1991)
  • Computer Bits (January 1992)
  • Computer Bits (January 1992)
  • Computer Bits (February 1992)
  • Computer Bits (February 1992)
  • Computer Bits (March 1992)
  • Computer Bits (March 1992)
  • Computer Bits (May 1992)
  • Computer Bits (May 1992)
  • Computer Bits (June 1992)
  • Computer Bits (June 1992)
  • Computer Bits (July 1992)
  • Computer Bits (July 1992)
  • Computer Bits (September 1992)
  • Computer Bits (September 1992)
  • Computer Bits (October 1992)
  • Computer Bits (October 1992)
  • Computer Bits (November 1992)
  • Computer Bits (November 1992)
  • Computer Bits (December 1992)
  • Computer Bits (December 1992)
  • Computer Bits (February 1993)
  • Computer Bits (February 1993)
  • Computer Bits (April 1993)
  • Computer Bits (April 1993)
  • Computer Bits (May 1993)
  • Computer Bits (May 1993)
  • Computer Bits (June 1993)
  • Computer Bits (June 1993)
  • Computer Bits (October 1993)
  • Computer Bits (October 1993)
  • Computer Bits (March 1994)
  • Computer Bits (March 1994)
  • Computer Bits (May 1994)
  • Computer Bits (May 1994)
  • Computer Bits (June 1994)
  • Computer Bits (June 1994)
  • Computer Bits (July 1994)
  • Computer Bits (July 1994)
  • Computer Bits (October 1994)
  • Computer Bits (October 1994)
  • Computer Bits (November 1994)
  • Computer Bits (November 1994)
  • Computer Bits (December 1994)
  • Computer Bits (December 1994)
  • Computer Bits (January 1995)
  • Computer Bits (January 1995)
  • Computer Bits (February 1995)
  • Computer Bits (February 1995)
  • Computer Bits (March 1995)
  • Computer Bits (March 1995)
  • Computer Bits (April 1995)
  • Computer Bits (April 1995)
  • CMOS Memory Settings - What To Do When The Battery Goes Flat (May 1995)
  • CMOS Memory Settings - What To Do When The Battery Goes Flat (May 1995)
  • Computer Bits (July 1995)
  • Computer Bits (July 1995)
  • Computer Bits (September 1995)
  • Computer Bits (September 1995)
  • Computer Bits: Connecting To The Internet With WIndows 95 (October 1995)
  • Computer Bits: Connecting To The Internet With WIndows 95 (October 1995)
  • Computer Bits (December 1995)
  • Computer Bits (December 1995)
  • Computer Bits (January 1996)
  • Computer Bits (January 1996)
  • Computer Bits (February 1996)
  • Computer Bits (February 1996)
  • Computer Bits (March 1996)
  • Computer Bits (March 1996)
  • Computer Bits (May 1996)
  • Computer Bits (May 1996)
  • Computer Bits (June 1996)
  • Computer Bits (June 1996)
  • Computer Bits (July 1996)
  • Computer Bits (July 1996)
  • Computer Bits (August 1996)
  • Computer Bits (August 1996)
  • Computer Bits (January 1997)
  • Computer Bits (January 1997)
  • Computer Bits (April 1997)
  • Computer Bits (April 1997)
  • Windows 95: The Hardware That's Required (May 1997)
  • Windows 95: The Hardware That's Required (May 1997)
  • Turning Up Your Hard Disc Drive (June 1997)
  • Turning Up Your Hard Disc Drive (June 1997)
  • Computer Bits (July 1997)
  • Computer Bits (July 1997)
  • Computer Bits: The Ins & Outs Of Sound Cards (August 1997)
  • Computer Bits: The Ins & Outs Of Sound Cards (August 1997)
  • Computer Bits (September 1997)
  • Computer Bits (September 1997)
  • Computer Bits (October 1997)
  • Computer Bits (October 1997)
  • Computer Bits (November 1997)
  • Computer Bits (November 1997)
  • Computer Bits (April 1998)
  • Computer Bits (April 1998)
  • Computer Bits (June 1998)
  • Computer Bits (June 1998)
  • Computer Bits (July 1998)
  • Computer Bits (July 1998)
  • Computer Bits (November 1998)
  • Computer Bits (November 1998)
  • Computer Bits (December 1998)
  • Computer Bits (December 1998)
  • Control Your World Using Linux (July 2011)
  • 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)
LOCAL TRADES & SERVICES Advertising Index Active Media Images ........ ........... 5 T. A. Mowles Transformer Rewinds Printed circuit h11ards for the hobbyist. Fur senice & enquiries contact: For all tyj)es of transformer rewinds. Antique Radio Restorations ...... 94 (08) 3265590 (065) 761291 Fax (065) 761003 Av-Comm ................. ...... .. ......... 55 Altronics ............. ............... ... 60-62 A-One Electronics ......... .... 5, 12-13 David Reid Electronics ................ 3 Dick Smith Electronics ......... 26-29 Silicon Chip EEM Electronics Tu advertise )·our products or senices, please call Sharon on Printed circuit board assembly, switch mode power supplies repaired . Design work from start to finish. Ring anytime 9am-9pm ·Mon-Sun. Harbuch Electronics .................. 36 (02)9795644(018)285532 (03) 4011393 Jaycar ....................................... IBC EEM Electronics ........................ 96 Emona ...... ....................... ............ 5 Jaycar ................ ............... ... 45-52 JV Tuners .......... ... ,.................... 36 REGULATED DC POWER SUPPLIES SPECIAL SALE Oatley Electronics ........... 68,69,96 PRICE CAT No. 10201 10202 10203 10204 10205 10206 10207 10208 10209 Special MODEL QTY GPS-1830 GPR1810H GPS-3030 GPR-3060 GPR-6030 GPS-3030D GPS-6030D GPC-1850D GPC-3030D HST-0062 2-only 2-only 2-only 1-only 2-only 2-only 1-only 2-only 2-only 8-only RANGE 0-18V, 0-3A 0-18V, 0-10A 0-30V, 0-3A 0-30V, 0-6A 0-60V, 0-3A 0-30V,0-3A 0-60V, 0-3A 2 X 0-18V/5A, 1 X 5V/3A 2 x 0-30V/3A, 1 x 5V/3A Variable Transformer WAS NOW SAVE 340.10 793.57 342.53 586.68 638.64 483.70 774.68 897.38 891.83 210.00 280.00 685.00 270.00 460.00 515.00 375.00 620.00 710.00 710.00 84.00 60.10 108.57 72.53 126.68 123.64 108.70 154.68 189.38 181 .83 126.00 A-ONE ELECTRONICS PTY LTD (02) 267 4819 267 4820 Fax (02) 267 4821 PC Computers .. .. .............. ........ 95 Peter C. Lacey Services ..... .... .. 32 Philips Test & Measurement .... IFC RCS Radio ...... .. .. ............. ......... 96 Resurrection Radio ................... 91 Rod Irving Electronics .......... 74-79 Silicon Chip Back Issues ...... 30-31 Silicon Chip Binders ...... .. .. .. ...... 89 Silicon Chip Positions Vacant.. .. 65 T. A. Mowles ............................. . 96 10 metres for $30. Ref: XXFEB9403. SWITCHED MODE POWER SUPPLIES: compact enclosed ex-Telecom supplies. Dimensions 300 x 90 x 180mm. Unregulated input 30-50V, regulated output of 12V<at> 6A or 5V<at> 40A. Two different units. Limited stocks, clearance<at> $14 ea. P & P $7 {heavy!). Specify type when ordering. Ref: XXFEB9404. Oatley Electronics, PO Box 89, Oatley 2223. Phone (02) 579 4985. Fax (02) 570 7910. I BOUGHT TOO much at a components auction and I must sell off surplus as my mother wants her lounge room back! Please send SAE for Jumbo Price List of new electronics-shop component stock at under cost price; eg: BD139/40, 10 for $5.00; 1µF/35V tant, 10 for $3.00; 5mm clear/red LED, 1Ofor 96 SILI CON CHIP $1.00; 4011, 10 for $2.00; All 74/74LS, 10 for $3.00; 555, 10 for $3.50 etc. Genuine sale. G. Cattley, PO Box N421, Grosvenor Place, Sydney 2000. Technical Applications ............... 71 Tektronix ............ .. .... ... .... ........ OBC Transformer Rewinds .............. 104 RCS RADHO PTY LTD ~i~1,~ 16ire...o I Ill :::;=I ' [I O RCS Radio Pty Ltd is the only company that manufactures and sells every PC board and front panel published in SILICON CHIP, ETI and EA. RCS Radio Pty Ltd, 651 Forest Rd, Bexley 2207. Phone (02) 587 3491 PC Boards Printed circuit boards for SILICON CHIP projects are made by: • Jemal Products, 5 Forge St, Wel 9hpool, WA 6106. Phone (09) 350 5555. • Marday Services, PO Box 19-189, Avondale, Auckland, NZ. Phone (09) 828 5730. • RCS Radio Pty Ltd, 651 Forest Rd, Bexley, NSW 2207. Phone (02) 587 3491.