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Silicon
Chip’s
Electronics
TestBench
Published 2000 by Silicon Chip Publications Pty Ltd, PO Box 139, Collaroy, NSW 2097. Phone
(02) 9979 5644; Fax (02) 9979 6503; email silchip<at>siliconchip.com.au.
ACN 003 205 490; ABN 49 003 205 490.
Copyright © 2000 Silicon Chip Publications Pty Ltd. All rights reserved. No part of this
publication may be reproduced, stord in a retrieval system, or transmitted in any form or by any
means, electronic, mechanical, photocopying, recording or otherwise, without the prior written
permission of the copyright owner.
ISBN 0 9585229 2 8
Printed in Australia by Hannanprint, Dubbo, NSW.
* Recommended price only.
Silicon Chip’s Electronics TestBench 1
Contents
Test Gear To Build
Dual Tracking ±18.5V Power Supply......................................... 4
An In-Circuit Transistor Tester................................................. 10
Cable & Wiring Tester................................................................ 14
DIY Remote Control Tester....................................................... 19
Build A Digital Capacitance Meter.......................................... 22
A Low Ohms Tester For Your DMM......................................... 30
3-LED Logic Probe..................................................................... 35
Low Cost Transistor Mosfet Tester........................................... 38
Universal Power Supply Board For Op Amps........................ 44
Telephone Exchange Simulator For Testing............................ 47
High-Voltage Insulation Tester................................................. 56
10µH to 19.99mH Inductance Meter........................................ 64
Beginner’s Variable Dual-Rail Power Supply.......................... 73
Simple Go/No-Go Crystal Checker........................................... 80
Build This Sound Level Meter.................................................. 82
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Silicon Chip’s Electronics TestBench
Where To Buy Kits & PC Boards
Many of the projects described in this publication are available as
complete kits of parts from several electronics retailers. In particular,
try Altronics, Dick Smith Electronics, Jaycar Electronics and Oatley
Electronics.
The PC boards (but not for the Telephone Exchange Simulator) can be
ordered separately from RCS Radio, 41 Arlewis St, Chester Hill 2162.
Phone (02) 9738 0330.
Pink Noise Source..................................................................... 91
A Zener Diode Tester For Your DMM...................................... 96
40V 3A Variable Power Supply; Pt.1..................................... 104
40V 3A Variable Power Supply; Pt.2..................................... 112
Quick Circuit
Logic Probe With 7-Segment LED Display............................... 55
Reviews
Multisim Circuit Design & Simulation Package.................... 120
The TiePie Handyprobe HP2................................................... 124
Motech MT-4080A LCD Meter................................................ 128
Notice!
Silicon Chip’s Electronics TestBench is a collection of test equipment projects published in Silicon Chip magazine. The
information presented herin has been checked for accuracy and is published in good faith. However, Silicon Chip Publications
cannot accept any responsibility for damage or loss, consequential or otherwise, arising from the use of information in this
publication. Silicon Chip Publications also disclaims any liability for projects which are used in such a way as to infringe
relevant government regulations and bylaws. Note that some of the projects described in this book employ a mains power
supply or produce high voltage. All such projects should be considered dangerous or even lethal if not used safely. When
working on these projects, use extreme care to ensure that you do not accidentally come into contact with mains AC voltages
or high voltage DC. If you are not confident about working with projects employing mains voltages or others high voltages,
you are advised not to attempt work on them.
Silicon Chip’s Electronics TestBench 3
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