Now in it's 17th. printing
Don Lancasters personally auto-graphed 240 page reference on Active Filters. Covers the basics as well as chapters on 1st & 2nd. order networks, Lo, Hi & Band Pass, & Elipitical filters. Covers many other related topics and applications. H: 8-1/2" W: 5-1/2" T: 5/8" WT: .75
