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Contents
Vol.14, No.8; August 2001
www.siliconchip.com.au
FEATURES
4 Geocaching: Treasure Hunting With A GPS
Enjoy treasure hunts the high-tech way. All you need is a GPS receiver
(and preferably a 4WD) – by Ross Tester
30 Help Reform Electrical Legislation
Want to do your own wiring or repair appliances . . .and remain legal? You
can help change the legislation.
57 P-Tag: A Wearable Health Information Card
New 8MB flash memory card stores your entire medical history. You wear it
around your neck.
Direct Injection
Box For Musicians – Page 12.
58 The Role Of Electronics In Mine Clearing
Abandoned land mines are a big problem in many countries. Here’s a look at
the methods used for detecting these deadly devices – by Bob Young
81 1 Billion Transistor Microprocessors Are Coming
New research from Intel has made it possible to cram 1 billion transistors
onto one chip. Stand by for the 20GHz processor!
PROJECTS TO BUILD
12 A Direct Injection Box For Musicians
Don’t put up with hum. This versatile DI Box converts an unbalanced input to
a balanced output signal and includes a 3-band equaliser – by John Clarke
32 Build A 200W Mosfet Amplifier Module
Rugged design is ideal for guitar or PA work or for use as a general-purpose
subwoofer or hifi amplifier – by Leo Simpson
200W Mosfet Amplifier Module –
Page 32
70 Headlight Reminder For Cars
Ever forgotten to turn your car’s headlights off? This device could save you
from a flat battery – by John Clarke
76 40MHz 6-Digit Frequency Counter Module
Low-cost unit measures frequencies up to about 40MHz – by David L. Jones
COMPUTERS
24 A PC To Die For, Pt.3 – You Can Build It For Yourself
Updating the BIOS and drivers to squash the remaining bugs. The advice
applies to other PCs as well – by Greg Swain
64 Using Linux To Share An Internet Connection, Pt.3
Headlight
Reminder
– Page 70.
How to tweak the settings so that you can log on as a user. We also cover
logging and show you how to make it easy to drive – by Greg Swain
SPECIAL COLUMNS
44 Serviceman’s Log
Some faults can be a real challenge – by the TV Serviceman
90 Vintage Radio
Substituting for valves that are no longer available – by Rodney Champness
DEPARTMENTS
2 Publisher’s Letter
9 Mailbag
42 Circuit Notebook
www.siliconchip.com.au
85 Subscriptions Form
86 Products Showcase
98 Ask Silicon Chip
40MHz 6-Digit
Frequency Module
– Page 76.
101 Notes & Errata
102 Market Centre
104 Advertising Index
August 2001 1
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