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This paper presents an optimum tuning procedure for high-order low-pass (LP) elliptic filters. Since elliptic filters are often used to satisfy very tight specifications, they often need to be tuned accurately. In this paper, we describe the tuning of one biquad, the dasiatuning biquadpsila, in a cascade of biquads. It is shown by Matlab simulations that the best choice for the tuning biquad consists...
In this paper we present an optimal design procedure for 2nd-order BP filters with a single operational amplifier. We compare two known design procedures and investigate how a combination of two design methods yields an optimal 2nd-order BP filter. The new design provides a filter with low sensitivity to passive components. We present this straightforward design procedure in the form of a tabulated...
In this paper two general-purpose (GP) biquadratic filters are analyzed and optimized. The design equations for both filters are given, and the methods used to optimize the dynamic range and reduce the noise are described. On one example of the 2nd-order Butterworth filter, PSpice analyses were carried out, and a comparison of noise, referred to the input, is given. The dynamic range is optimized...
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