[Milsurplus] Basic Electronics Course?

[J. Forster]

Hi,

I have a friend who is into electronics, but is lacking much of the
theory. He is interested both for job and hobby activities. He is good
with micros, but lacks things like transistors and opamps. He does have
quite a bit of practical experience, but needs the framework to tie it all
together.

Does anybody know of a good on-line course (free to low-cost) that can
teach him electronics, not at a real engineering level with differential
equations, but with enough math to be able to analyze and design common
circuits? RF is of lesser importance.

Also, a book with similar coverage might be helpful.

Thanks,

-John

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