Hi John, and others,
That is a nice compilation!
There is one thing all the testers have in common: They use a mains
transformer to generate the AC-voltage (signal source). To make a more
versatile unit I would suggest to use a small audio-transformer and use
a lab-sinewave generator as signal source.
This makes it possible to perform measurements at different frequencies.
This could be handy when measuring circuits with coils and/or small
capacitors.
Good luck to all the builders and experimenters.
Best regards, Jeroen
John E Burgar wrote:
These troubleshooting aids have also been known as an "octopus" and as a V/I
curve tracer. Below are some links for schematics and details on their use.
1. http://octopus.freeyellow.com/octopus.html
2. http://www.armory.com/~rstevew/Public/TestEquip/CurveTracer.pdf
3. http://www.ionpool.net/arcade/tech/octopus.pdf
4. http://www.tpub.com/content/neets/14191/css/14191_142.htm
5. http://www.electronics-lab.com/projects/test/018/
6. A portion of chapter 5 of this Navy document describes the features and
the use of the Huntron Tracker 2000.
http://www.tpub.com/content/neets/14188/index.htm
Regards, John Burgar
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