Low-pass filters (LPFs) are fundamental components in modern electronic systems, serving to permit signals below a designated cutoff frequency while attenuating higher frequencies. Recent advances ...

Editor’s note: This article is a follow-up to the 2011 article, ‘Design second- and third-order Sallen Key filters with one op amp’ on EDN. Author’s Note: The author is revising this article to ...

Perhaps the finest paper written on filter design is Moorer's cleverly-titled opus, “The Manifold Joys of Conformal Mapping.” While primarily an invaluable study of the methods of transforming ...