Paul
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Hello,
If you are looking for some general introduction on analog filters, "Design of Analog Filters" by Rolf Schaumann and Mac E. Van Valkenburg has some quite good material. But it does not talk about IC implementations. On that topic, you better consider "Analog MOS Integrated Circuits for Signal Processing" by Roubik Gregorian and Gabor Temes, an excellent book (that's at least my point of view).
If you give some more information on your application (integrated or not, continuous-time or sampled signal,...), we may provide some more specific answer to the question.
Best
Paul
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