Hacked Gadgets Forum

November 6, 2010

Printed Circuit Board Fault Detection using Pulse Injection

at 1:54 pm. Filed under Educational, Electronic Hacks

Doug Smith demonstrates how to use Pulse Injection to find problems with printed circuit boards. He built a small probe that allows him to poke around all areas of the board to see if there is any areas which are sensitive. This method is probably not economical for a hobbyist to use unless you can find the Fisher PG EFT that Doug used in the Apex Electronics bone yard for cheap but I think s simple version of the device could be built in the DIY spirit for $20 or $30. It wouldn’t have all the fancy controls but would get the job done.

If you like the work that Doug is doing have a look at the ESD creating device that you could make for a few dollars. The oscilloscope probe demonstration at the end is quite impressive.


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2 Responses to “Printed Circuit Board Fault Detection using Pulse Injection”

  1. Electronic Assembly Says:

    You definitely don’t want to be using a standard scope probe for ESD testing!

  2. John Ambe N. Says:

    I am in need of a good pcb fault detector in the repairs of TVs and other appliances.

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