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AUGUST 1989
FEATURES
14 An Introduction to Stepper Motors
by Steve Payor
FANCY BUILDING your own
computer? We show you how to
assemble a 42Mb AT-compatible
machine into a natty tower-style
case. Details page 6.
How these useful devices work
34 Amcron Preamp & Power Amp by Leo Simpson
Among the best we've measured
96 Metrix MX52 5000-Count Multimeter by Leo Simpson
Features frequency, dB and RMS AC measurements
102 The Evolution of Electric Railways by Bryan Moher
Pt.22: the benefits of modern 3-phase electric locos
PROJECTS TO BUILD
6 Build an AT Tower Computer by Greg Swain
Step-by-step assembly details
26 Studio Series 20-Band Stereo Equaliser by Bob Flynn
THERE'S NO NEED to run
after the garbage truck in your
slippers and jarmies. Our
Garbage Reminder tells you
when to put the garbage out.
Construction starts on page 48.
New design has very low noise & distortion
48 Build the Garbage Reminder by John Clarke
Don't get caught with an overflowing bin
76 Low-Capacitance Scope Probe by Herb Friedman
Uses parts from your junkbox
SPECIAL COLUMNS
18 Vintage Radio by John Hill
Rebuilding a vintage radio receiver
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62 Serviceman's Log by the TV serviceman
Toss yer -
triple or quits!
66 Amateur Radio by Garry Cratt
GaAsFet preamplifier for the 2-metre band
82 Computer Bits by Jennifer Bonnitcha
Display adapters -
from monochrome to thunderdome
90 The Way I See It by Neville Williams
HDTV: don't hold your breath
DEPARTMENTS
2 Publisher's Letter
3 Mailbag
46 Circuit Notebook
61 Bookshelf
85 Subscription Page
98 Product Showcase
108 Ask Silicon Chip
111 Back Issues
112 Market Centre
N
SPROING!! OUR serviceman
really sprang into action this
month. There's Greek drama,
leaky cats, leaky tubes and
ripping yarns. So turn to
page 62.
Electronics for Everyone
Lack of space has once again
prevented us from presenting
Electronics for Everyone this
month. We'll be back on track
with this series in the September
issue.
AUGUST 1989
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