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Synthchaser #107 – Homemade LM3900 Norton Op Amp Tester

In this short video, I explain what an op amp is and how a Norton Op Amp is different, and then show a little test fixture I made to test these specialized IC Chips that I run into frequently while repairing vintage synthesizers.

LM3900 Squarewave Generator
LM3900 Squarewave Generator

Full Application Notes for the LM3900:

http://www.ti.com/lit/an/snoa653/snoa653.pdf