Switched-capacitor filter design using the bilinear z-transform
Temes, G.; Orchard, H.; Jahanbegloo, M.
Circuits and Systems, IEEE Transactions on
Volume 25, Issue 12, Dec 1978 Page(s): 1039 - 1044
Digital Object Identifier  
Summary: A general synthesis technique is described for obtaining a switched-capacitor (SC) filter from an activeRCprototype. The response of the SC filter is related to that of its prototype by the bilinearz-transform. This allows the filtering and sensitivity properties of the prototype to be preserved for the SC circuit. It also enables the designer to realize such economical and low-sensitivity circuits as the FDNR and gyrator filters. Finally, it permits the processing of signals at much higher frequencies than do previously known circuit design techniques.

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