Monday 7 July 2014

noise - How do you choose an inductor for connecting separate ground planes?


On a board with separate analog and digital ground planes connected at one place, the connection is often made with an inductor. How is this inductor chosen? Obviously it has to be able to handle enough current, but what other factors are important?


I'm more interested in the type of inductor rather than the value, since I would expect to try different values.




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