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Second Order Active Filter Disclosure Number: IPCOM000053192D
Original Publication Date: 1981-Sep-01
Included in the Prior Art Database: 2005-Feb-12

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Lewkowitz, J Ramirez, AM [+details]


Active filters which make use of resistor-capacitor networks and operational amplifiers are well known. The active filter concept was developed to eliminate the need for inductors, which are the most troublesome element in passive filters, especially in low frequency applications.