The ability to quickly put together a working filter is a must for any practitioner of electronics. Unfortunately, current technical training has joined the rush to computerize, emphasizing digital circuitry at the expense of analog circuit design. As a result, many trained electronics technicians lack basic skills in simple filter design. This book shows hobbyists, technicians, & engineers how to design & build practical filter circuits, using simple mathematics & straightforward procedures. Readers will learn the difference between real-world & "textbook" filters (discovering why filter designers are so often led astray by the mathematical texts now used), & they'll learn how they can avoid falling into the same trap with their own filter designs.
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