Part 2: http://www.youtube.com/watch?v=O2ohz8DyJoQ
Dave breadboards a precision 1A current source circuit and finds that even the application reference circuit doesn't work as expected. Showing that you can't just blindly trust that datasheet application circuit will work first go.
LTC6655 http://cds.linear.com/docs/en/datasheet/6655fc.pdf
Forum: http://www.eevblog.com/forum/blog/eevblog-567-precision-1a-current-source/

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