TY - BOOK AU - Hilburn,John L. AU - Johnson,David E. TI - Manual of active filter design SN - 0070287597 AV - TK7872.F5 H5 U1 - 621.3815/32 PY - 1973/// CY - New York PB - McGraw-Hill KW - Electric filters, Active KW - Electronic circuit design KW - Electronics KW - Graphic methods N1 - Includes bibliographical references ER -