I've done a few videos on the octopus IV curve tracer, but this time I thought we could build one. This is the 'classic' octopus, with a 1V, 1mA output suitable for in-circuit testing, as well as a 3.5V, 3.5mA output for out of circuit testing.
My Previous Curve Tracer Videos:
https://www.youtube.com/watch?v=3RjBFEKmt-g
https://www.youtube.com/watch?v=_FzBBtQk5RY
https://www.youtube.com/watch?v=uBgsak5DqCo
Curve Tracing Resources:
https://www.gbarc.ca/archive/nl1975may.pdf
https://w140.com/tekwiki/images/5/57/071-0114-01.pdf
https://huntron.com/corporate/docs/ASA-paper-extract.pdf
0:00 Intro
0:43 Classic Octopus Circuit
2:50 On the Breadboard
4:48 Our Octopus
5:58 The Curcuit
6:40 On the Breadboard
9:19 Building the tester
9:53 A Look at the Build
12:30 Testing the Octopus
15:44 Some In-Circuit Testing
18:09 Wrap Up
19:24 Closing