Contents
Vol.11, No.1; January 1998
FEATURES
4 Understanding Electric Lighting; Pt.3
We describe the development of fluorescent lamps and take a look at how
they work – by Julian Edgar
14 Compasses: From Magnetite To Digital
New electronic compasses offer digital readout and unprecedented accuracy
PROJECTS TO BUILD
Build Your Own 4-Channel Light
Show – Page 18
18 Build Your Own 4-Channel Lightshow
New low-voltage unit controls four lighting channels and features several
chaser patterns plus music modulation – by Leo Simpson & Rick Walters
28 Command Control System For Model Railways
At last! – a Command Control system for Aussie enthusiasts. This one is easy
to build and can control up to 16 locomotives – by Barry Grieger
58 Pan Controller For CCD Video Cameras
Low-cost panning circuit controls two servos and draws no current while the
camera is stationary – by Branco Justic
64 Build A One Or Two-Lamp Flasher
Command Control System For
Model Railways – Page 28
Use it to draw attention to a sign or display, or to liven up a party. The simple
circuit drives 12V 20W or 50W halogen lamps – by John Clarke
SPECIAL COLUMNS
40 Serviceman’s Log
A clear case of sabotage – by the TV Serviceman
49 Vintage Radio
A simple regenerative receiver – by John Hill
70 Radio Control
Jet engines in model aircraft – by Bob Young
Pan Controller For CCD Video
Cameras – Page 58
76 Computer Bits
Norton Utilities V2: hard disc maintenance for PCs – by Jason Cole
DEPARTMENTS
2 Publisher’s Letter
37 Order Form
38 Mailbag
45 Product Showcase
74 Circuit Notebook
82 Ask Silicon Chip
85 Notes & Errata
86 Market Centre
88 Advertising Index
Build A One or Two-Lamp
Flasher – Page 64
January 1998 1