Lancaster, Don <br/><br/>
Don Lancaster's active filter cookbook 
 Active filter cookbook 

 - 2nd ed. 
 - Oxford :  Newnes,  1996 
 - 240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELECTRIC FILTERS, ACTIVE
<br/><br/><label>LC Class. No.: </label>TK7872 .F5  / L362D 1996