Silicon ChipContents - December 1987 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Welcome to the second issue of Silicon Chip
  4. Subscriptions
  5. Feature: UHF Shenanigans with a VCR by Leo Simpson
  6. Project: 100W Amplifier Module to Build by Leo Simpson & Bob Flynn
  7. Project: 24V to 12V DC Converter for Trucks by John Clarke
  8. Project: Passive Infrared Movement Detector by Branco Justic
  9. Feature: Amateurs Link Coast to Coast by Ross Tester, VK2KRT
  10. Feature: AT-Compatible Kit Computer by Greg Swain
  11. Serviceman's Log: All this in a brand new set by The Original TV Serviceman
  12. Feature: The Evolution of Electric Railways by Bryan Maher
  13. Feature: Amateur Radio by Garry Cratt, VK2YBX
  14. Project: 1GHz Digital Frequency Meter, Pt.2 by Steve Payor
  15. Feature: The Way I See It by Neville Williams
  16. Feature: Digital Fundamentals, Pt.2 by Louis E. Frenzel
  17. Market Centre
  18. Advertising Index
  19. Outer Back Cover

This is only a preview of the December 1987 issue of Silicon Chip.

You can view 39 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.

Items relevant to "100W Amplifier Module to Build":
  • Silicon Chip article scan, December 1987 - 100W Amplifier Module (AUD $10.00)
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:
  • 1GHz Digital Frequency Meter (November 1987)
  • 1GHz Digital Frequency Meter, Pt.2 (December 1987)
  • Bookshelf (January 1988)
  • 1GHz Digital Frequency Meter, Pt.3 (January 1988)
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:
  • Digital Fundamentals, Pt.1 (November 1987)
  • Digital Fundamentals, Pt.2 (December 1987)
  • Digital Fundamnetals, Pt.3 (January 1988)
  • Digital Fundamentals, Pt.4 (February 1988)
  • Digital Fundamentals Pt.5 (March 1988)
  • Digital Fundamentals, Pt.6 (April 1988)
  • Digital Fundamentals, Pt.7 (May 1988)
  • Digital Fundamentals, Pt.8 (June 1988)
  • Digital Fundamentals, Pt.9 (August 1988)
  • Digital Fundamentals, Pt.10 (September 1988)
Publisher & Editor-In-Chief Leo Simpson, B.Bus. Editor Greg Swain, B.Sc.(Hons .) Technical Staff John Clarke, B.E.(Elec.) Robert Flynn FEATURES 6 UHF Shenanigans with a VCR by Leo Simpson How to use your VCR to tune UHF TV stations 17 Silicon Chip Hifi Review by Leo Simpson Realistic Nova-15 two-way loudspeakers 40 Amateurs Link Coast to Coast by Ross Tester With a little help from Aussat 50 AT-Compatible Kit Computer by Greg Swain Build it yourself and save money 68 The Evolution of Electric Railways by Bryan Maher Pt.2 - Steam locomotives come of age 90 Digital Fundamentals, Pt.2 by Louis Frenzel Teach yourself digitial electronics PROJECTS TO BUILD 10 1 00W Amplifier Module to Build by Leo Simpson Rugged design has full output protection 28 24V to 12V DC Converter for Trucks by John Clarke Runs 12V CB radios from 24V 33 Passive lnfrared Movement Detector by Branco Justic Add it for your home alarm system 46 Build the Speedi-Watt by Leo Simpson Universal speed control and lamp dimmer 76 1 GHz Digital Frequency Meter, Pt.2 by Steve Payor Building the printed circuit boards SPECIAL COLUMNS 62 Serviceman's Log by the original TV serviceman All this in a brand new set 73 Amateur Radio by Garry Cratt Tuning in to the VHF bands 87 The Way I See It by Neville Williams Is the electronic servicing industry dragging its feet? DEPARTMENTS 2 Publisher's Letter 5 News & Views 18 Circuit Notebook 84 Product Showcase 96 Market Centre Regular Contributors Neville Williams, FIREE, VK2XV Bryan Maher, M.E. B.Sc. Jim Yalden, VK2YGY Garry Cratt, VK2YBX Jim Lawler, MTETIA Photography Bob Donaldson Editorial Advisory Panel Philip Watson, MIREE, VK2ZPW Norman Marks Steve Payor, B.Sc., B.E. SILICON CHIP is published 1 2 times a year by Silicon Chip Publications Pty Ltd. All material copyright (c) . No part of the contents of this publication may be reproduced without prior written consent of the publisher . Kitset suppliers may not photostat articles without written permission of the publisher. Typesetting/makeup: Magazine Printers Pty Ltd, Waterloo, NSW 2017. Printing: Masterprint Pty Ltd, Dubbo, NSW 2830. Distribution: Network Distribution Company. Subscription rates are currently $42 per year (12 issues). Outside Australia the cost is $62 per year surface mail or $1 20 per year air mail. Liability: Devices or circuits described in SILICON CHIP may be covered by patents. SILICON CHIP disclaims any liability for the infringement of such patents by the manufacturing or selling of any such ·equipment. Address all mail to: Silicon Chip Publications Pty Ltd, PO Box 139 , Collaroy Beach, NSW 2097 . Phone (02) 982 3935 . ISSN 1 030-2662 and maximum Australian price only. * Recommended