Passive, active, and digital filters /  
edited by Wai-Kai Chen. 
 - Boca Raton, FL :    CRC Press,    c2009. 
 - 1 v. (various pagings) ;    ill. ;    26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781420058857 1420058851 
<br/><br/><label>LCCN: </label>2008048117 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters, Digital.<br/>Electric filters, Passive.<br/>Electric filters, Active.
<br/><br/><label>Dewey Class. No.: </label>621.3815324