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This is only a preview of the May 2007 issue of Silicon Chip. You can view 33 of the 104 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. Articles in this series:
Items relevant to "A 20W Class-A Amplifier Module":
Items relevant to "Adjustable 1.3-22V Regulated Power Supply":
Items relevant to "VU/Peak Meter With LCD Bargraphs":
Items relevant to "Programmable Ignition System For Cars; Pt.3":
Items relevant to "GPS-Based Frequency Reference: Circuit Modifications":
Purchase a printed copy of this issue for $10.00. |
Contents
Vol.20, No.5; May 2007
SILICON
CHIP
www.siliconchip.com.au
Features
8 Jaycar Sunswift III Solar Car Shatters Record
Innovative technology from UNSW slashes three days off the Perth
to Sydney solar car record – by Leo Simpson
16 Turntables – Give ’em A Spin
Don’t despair if your old turntable has died. There’s lots of new ones out
there. Just dip into our listing – by Barrie Smith
Pro jects To Build
34 A 20W Class-A Amplifier Module
High-quality design features ultra-low distortion, very low noise levels & a
simplified power supply – by Leo Simpson & Peter Smith
46 Adjustable 1.3-22V Regulated Power Supply
Easy-to-build board can be adjusted to produce a regulated voltage rail
ranging from 1.3-22V at currents up to 1A – by John Clarke
62 VU/Peak Meter With LCD Bargraphs
Take the guess-work out of setting audio recording levels. This unit shows
both average & peak levels on stereo bargraphs & there’s also a digital display
option – by John Clarke
20W Class-A Audio
Amplifier Module – Page 34.
Adjustable 1.3-22V
Regulated Power
Supply – Page 46.
74 Programmable Ignition System For Cars; Pt.3
We describe the installation & setting-up procedures & show you how to plot
out an original ignition timing curve – by John Clarke
84 GPS-Based Frequency Reference: Circuit Modifications
A simple modification to improve the short-term stability plus details on adding
an RS-232 serial port – by Jim Rowe
92 Throttle Interface For The DC Motor Speed Controller
Want to use a motorcycle-style throttle with the DC Motor Speed Controller?
You’ll need this simple interface circuit – by Leo Simpson & Branko Justic
Special Columns
42 Circuit Notebook
(1) LED Pattern Flasher; (2) IR Remote Control Tester With Audible Output;
(3) Slave Flash Trigger For Digital Cameras; (4) Low-Dropout Voltage
Regulator For Battery Equipment; (5) Using A Stereo Amplifier As A 3-Input
Guitar Amplifier; (6) 2-Channel Background Sounds For Model Railways
VU/Peak Meter With Stereo LCD
Bargraphs – Page 62.
57 Serviceman’s Log
New fields & the whiff of cash – by the TV Serviceman
86 Vintage Radio
A look at the Kurrajong Radio Museum – by Rodney Champness
Departments
2 Publisher’s Letter
4 Mailbag
15 Order Form
siliconchip.com.au
97 Ask Silicon Chip
100 Notes & Errata
101 Market Centre
Motorcycle-Style Throttle Interface
For Speed Controller – Page 92.
May 2007 1
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