TY - BOOK AU - Schaumann, Rolf AU - Xiao, Haiqiao AU - Valkenburg, Van TI - Analog filter design SN - 9780198098911 U1 - 621.3815 PY - 2011/// CY - UK PB - Oxford university press KW - Operational amplifiers KW - Electric filters, Active KW - Electronics and communication engineering ER -