Improvements in CMOS process technology and sample data circuit design techniques have made the performance of integrated circuit audio frequency filters capable of high fidelity performance. This paper describes a switched capacitor filter compiler which accepts a system level filter specification and automatically synthesizes and simulates the filter, performs sensitivity analysis and does the physical layout of the Op-Amps, capacitors, and analog switch elements of the filter. The compiler implements Elliptic, Chebyshev, and Butterworth filters up to 20th order.

Authors: Hillen, Peter; Warren, George
Affiliation: International Mioroelectronic Products, San Jose, CA
AES Convention: 85 (November 1988) Paper Number: 2695
Publication Date: November 1, 1988
Subject: Signal Processing: Analog Circuitry

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