The second-order multipurpose filter described here can perform as a low-pass, bandpass, high-pass, or notch filter at audio frequencies. What makes this filter unique is that all of its ...
When almost any electronic system passes a certain level of complexity, it requires some sort of filtering—often several types. However, many designers with a predominantly digital background may ...
In general, audio equalizers need second-order bandpass filters. Such cells require an easy and independent tuning of their parameters: the natural or central frequency, ω 0; the quality factor, Q; ...
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