Contents
Vol.10, No.4; April 1997
FEATURES
4 Automotive Design By Numbers
Boeing entirely designed its 777 jetliner on computer screens & Mazda plans
to be the first with cars – by Julian Edgar
7 Motherboard Upgrades: How To Avoid Win95 Hassles
You don’t have to reinstall Windows 95 when you upgrade the motherboard in
your computer. Here’s the path to a hassle-free upgrade – by Jason Cole
86 Cathode Ray Oscilloscopes; Pt.8
Digital storage scopes excel when it comes to displaying multiple inputs or
slow signals. Find out how these functions work – by Bryan Maher
TV Picture-In-Picture Unit –
Page 10
PROJECTS TO BUILD
10 Build A TV Picture-In-Picture (PIP) Unit
Watch two TV channels on the screen at once with this easy-to-build unit. It’s
fully remote controlled & is based on a prebuilt module – by John Clarke
24 The Teeny Timer: A Low-Tech Timer With No ICs
This unit uses just a handful of low-tech parts to provide time delays up to
several minutes. Use it as a light timer or cool-down timer – by Leo Simpson
26 A Digital Voltmeter For Your Car
Keep tabs on your car’s battery & charging system with this accurate digital
voltmeter. It reads from 0-39.9V & has a 3-digit LED display – by John Clarke
A Digital Voltmeter For Your Car
– Page 26
54 Loudspeaker Protector For Stereo Amplifiers
Protect your loudspeakers from damage due to amplifier faults with this simple circuit. There are three versions to choose from – by Leo Simpson
66 Train Controller For Model Railway Layouts
One knob provides full reverse to full forward speed control. There’s also simulated inertia, a brake switch & overload protection – by Rick Walters
SPECIAL COLUMNS
22 Computer Bits
Installing A PC-compatible floppy drive in an Amiga 500 – by Franc Zabkar
Loudspeaker Protector For
Stereo Amplifiers – Page 54
42 Serviceman’s Log
A mixed bag of trouble & strife – by the TV Serviceman
53 Satellite Watch
The latest news on satellite TV – by Garry Cratt
76 Vintage Radio
A look at signal tracing, Pt.1 – by John Hill
DEPARTMENTS
2
38
40
75
80
Publisher’s Letter
Bookshelf
Circuit Notebook
Order Form
Product Showcase
84
91
93
94
96
Back Issues
Ask Silicon Chip
Notes & Errata
Market Centre
Advertising Index
Train Controller For Model
Railway Layouts – Page 66
April 1997 1