Switched capacitor and active-RC allpass ladder filters

Research output: Journal Publications and ReviewsRGC 22 - Publication in policy or professional journal

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Original languageEnglish
Pages (from-to)2833-2836
Journal / PublicationProceedings - IEEE International Symposium on Circuits and Systems
Publication statusPublished - 1990
Externally publishedYes


Title1990 IEEE International Symposium on Circuits and Systems Part 4 (of 4)
CityNew Orleans, LA, USA
Period1 - 3 May 1990


Ladder-based allpass filters are derived for active resistance-capacitance (RC), switched-capacitance (SC), and digital realizations. The resulting circuits have the properties of parallel structures and very low amplitude sensitivities. The implementations are canonical with respect to the number of opamps or delays and multipliers. Examples are given, and these are critically assessed for component spread and sensitivities.