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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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ELECTRONIC TESTING sa AMMETER sa BATTERY TESTING sa BRIDGE CIRCUIT sa CAPACITOR FORMING & TESTING sa CRYSTAL TESTING (ELECTRONIC) sa DIGITAL ELECTRONICS TESTING sa DIODE TESTING sa ELECTRIC CONTINUITY TESTING sa ELECTRIC POLARITY & GROUND TESTING sa ELECTRIC SHORT-CIRCUIT DETECTOR sa ELECTRONIC EQUIPMENT MAINTENANCE & REPAIR sa FIELD STRENGTH METER sa FREQUENCY CALIBRATION sa FREQUENCY COUNTER sa FREQUENCY SPECTRUM ANALYZER sa GALVANOMETER sa GRID DIP METER sa HARMONIC DISTORTION TESTING sa IMPEDANCE & IMPEDANCE TESTING sa INDUCTOR TESTING sa INTEGRATED CIRCUIT TESTING sa METER (ELECTRONIC) sa OHMMETER sa OSCILLOSCOPE sa PRINTED CIRCUIT TESTING & REPAIR sa RADIO FREQUENCY DETECTOR sa RECTIFIER TESTING sa RESISTOR TESTING sa SEMICONDUCTOR TESTING sa SIGNAL GENERATOR sa SIGNAL STRENGTH METER sa SIGNAL TRACER sa STANDING-WAVE RATIO METER sa THYRISTOR TESTING sa TRANSISTOR TESTING sa VACUUM TUBE TESTING sa VOLTAGE MONITOR sa VOLTMETER & MULTIMETER xx ELECTRONIC EQUIPMENT MAINTENANCE & REPAIR xx ELECTRONICS Pandora's box. A hi-fi test bed. Ideas for using modular chassis as the basis for test equipment. Using computers to automatically test electronic hardware. Describes the use of a TRS-80 computer to test the COMM-80 serial/parallel I/O interface (described in the May & June 1980 issues). Build a resonance detector to determine the resonance of tuned circuits, transmission lines, and quarter-wave stubs from 1-to-250 MHz. Upgrade that old electronic test equipment. Includes several standards circuits (resistance, voltage, frequency/time base oscillator), shunt current measurements, shunt fabrication, etc. A 7-in-1 analyst to track down lost signals in audio, IF and RF stage. Est. cost: $15. Tips on maintaining clean contacts on your radio and other electronic gear. Tips on small tools and other aids which are useful when servicing electronic equipment. PC based test equipment. Boards that plug into computers are attractive alternatives to conventional instruments for many test and measurement applications. What is available and tips on their use. How to prevent ground loops (improper grounding) when using electronic test equipment. Analog signal analysis. Learn to troubleshoot components and circuits using a voltage source, an oscilloscope, and "signatures" that provide "pass-fail" information. Mini metrology lab to study the science of electrical measurements (electrical metrology). Make high-accuracy DC measurements and calibrate other test equipment. Part 1. Build a stable voltage standard. Mini metrology lab to study the science of electrical measurements (electrical metrology). Make high-accuracy DC measurements and calibrate other test equipment. Part 2. Build a null detector (null meter, DC null voltmeter), a very sensitive, center-zero voltmeter. Mini metrology lab to study the science of electrical measurements (electrical metrology). Make high-accuracy DC measurements and calibrate other test equipment. Part 3. Build a Kelvin-Varley voltage divider. A visit to virtual instrumentation. See how your PC can be used to take the place of an entire workbench full of top-notch electronic test and measurement gear. Hand tools for the electronic technician. How to use the right tool at the right time. Article describes how to use and how to read basic test instruments such as a multimeter (VOM), VTVM, tube testers, scopes, signal generators, etc. Discussion of basic test equipment. Tips on tracing lost signals in electronic equipment. Tips on using electronic patch cords. Replace the long test leads found on bench volt-ohmeters and similar equipment with coil-cords, those cords that are coiled up but can be pulled longer as needed. Convert photoflash cords into coiled test leads. The hobbyist's test bench. A guide to selecting the right gear for troubleshooting and experimenting will give you an idea of what is available for the hobbyist. Tip: Make electric terminal clips from spring clothespins. Updating the experimenter's shop. What is available in inexpensive analog multimeters, digital multimeters, oscilloscopes, and other specialized test equipment. Selection and repair of "bargain table" electronic items. Tips on troubleshooting electronic calculators, radios, meters, etc. Getting started in virtual instruments. Introduction to developments which transform a personal computer into a wide variety of electronic test instruments. Instructions for using a PC as a virtual storage oscilloscope. The addition of "test points" to home built electronic gear will simplify the maintenance of such equipment. Chemicals for electronics. Part 1. Getting to know degreasers, cleaners and polishing agents. Chemicals for electronics. Part 2. Getting to know coolers, lubricants and special agents. Tips on salvaging electronic equipment that has been immersed in water. A review of special hand tools and power tools for the electronics hobbyist. A look at their uses and sources. Includes pin vises, battery powered drills, special saws and knives and vibrator tool. How to avoid workbench hazards. Tips on avoiding electrical hazards when working on electronic equipment. Discussion of various test lights, both neon and filament styles. Some rules for using test equipment properly. Tools and techniques for electronics experimenters when using today's components and circuit designs. A look at pliers, cutters, drivers, wrenches, soldering tools, PC board tools, etc. Chemicals for electronics servicing. What you need for cleaning, degreasing, lubricating, insulating,...etc. A look at the role of integrated circuits in test instrument circuits. Use an interface panel to end test-lead clutter. Design for a patch panel which will accommodate audio signal levels as low as -70 dB at 1 megohm impedance and can easily handle signal frequencies up to about 500 kHz. Makes interfacing to test instruments and circuit under test much easier and helps overcome the problem of unbalanced inputs and outputs on most test instruments. Tools and equipment for electronics workbenches. In pursuit of glitches. How to banish elusive problems that haunt your electronic circuits. Electronic test equipment on the cheap. Tips on purchasing and refurbishing older test equipment. Ideas shown are for a signal generator, but can be applied to most anything. Bargains for your workbench. Advice on used electronic test equipment. Wall rack for storing patch cables is made from a door spring. Buying used electronic test equipment. Some tips. Build a duty-cycle monitor. Use it to make real-time measurements of a waveform or pulse train's duty cycle or mark/space ratio. Circuit is based on the old-style, automotive dwell meter which performed a similar function at lower frequencies. Test probes made from old ballpoint pens. Build an appliance test block. Nine-in-one troubleshooter does the work of nine individual test meters by means of one universal meter coupled with six interchangeable test modules. Part 1. Appliance checker and battery analyzer. Nine-in-one troubleshooter does the work of nine individual test meters by means of one universal meter coupled with six interchangeable test modules. Part 2. Automotive tachometer/dwell meter and multirange volt-ammeter. Nine-in-one troubleshooter does the work of nine individual test meters by means of one universal meter coupled with six interchangeable test modules. Part 3. Storage battery cell tester and AC ammeter. List of basic test equipment to set up an electronics test bench. Also includes tips on using external batteries on test gear, along with plugs and jacks that eliminate the chance of getting the wrong battery plugged in. Useful electronic troubleshooting hints, tips, and homemade tools. Includes voltage sniffer, ground-fault interrupter circuit tester, static electricity grounding setup for use with CMOS circuits, etc. Useful troubleshooting hints and tips for electronic circuits. All about soft tools (chemicals) to make electronic repair jobs faster, easier and less expensive. Servicing electronic test equipment. Some tips. AC power measurement. Learn the techniques for making precise measurements of RMS voltage/current, phase shift, and true power in electronic circuits. PC-based test bench. Electronics test instruments will include a capacitance meter, frequency counter, logic IC tester, and an oscilloscope. Part 1. Universal interface card to fit a PC expansion slot. Est. cost: $65 (kit). Build a calibration dial for $ .15. | |||||||||
Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law. |
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