Simplified Design of Filter Circuits by John Lenk (An established writer of international best-sellers in the field of electronics, Mr. Lenk is the of more than 80 books on electronics, which together have sold well over two million copies in nine languages.)
Simplified Design of Filter Circuits, the eighth book in this popular series, is a step-by-step guide to designing filters using off-the-shelf ICs. The book starts with the basic operating principles of filters and common applications, then moves on to describe how to design circuits by using and modifying chips available on the market today. Lenk's emphasis is on practical, simplified approaches to solving design problems.