Recommended · for some experience
EEVblog #72 - Let's Design a Product
Why people recommend it
Dave Jones works through the design of the uCurrent, cited for his comparison of three ways to generate a negative supply rail for an op-amp.
Watch for: negative rail options from 21:27
In their words
Here is the episode where Dave designs a negative voltage referance generator for uCurrent project EEVblog #72 - Let's Design a Product @ 21:27
abdullah kahraman on electronics.stackexchange.com, Dec 2011. CC BY-SA.