2003•Unpublished venueRequires access

Digitally programmable universal active filter for bio signal processing

W.V. Subbarao, M.O. Salinas

Abstract

A digitally programmable active filter circuit which can function as a low-pass filter, high-pass filter, bandpass filter, band-reject filter, all-pass filter or a phase shifter network with a direct interface to a microprocessor is presented. The hardware and software details of the filter configuration are presented, and the filter response is discussed. A typical microprocessor interface is shown.>

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Available abstract

Key concepts: Voltage-controlled filter, Active filter, High-pass filter, Filter (signal processing), Butterworth filter, Filter design, Low-pass filter, All-pass filter