Thank you, all. Jeff, EMRFD looks close to what I need. Seems it is out of print, but already found a PDF.
The book by analog.com is also promising.
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Hans Summer's explanations are too terse for me indeed and assume a level of expertise higher than I have,
which is why I asked for other material. I cannot hope to have a thorough understanding of everything I use, but to the extent possible I try not to use things as black boxes.
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Thank you again.
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ft. EA2BEE
