The author describes a design procedure to find the optimum finite-impulse-response (FIR) filter coefficients when the characteristics of the bandpass filter preceding the analog-to-digital (A/D) converter are known. A simulation of direct A/D conversion performance shows the improvement over the filter coefficients designed to minimize the maximum error over a specified band of frequencies. DC cancellation may be added to the process with very little change in the coefficients of the optimum FIR filter or its performance.<>
An optimum filter for direct A/D conversion
IEEE Transactions on Aerospace and Electronic Systems ; 27 , 6 ; 883-886
1991-11-01
351533 byte
Article (Journal)
Electronic Resource
English
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