Systematic Design of Pseudo-Differential Frequency Filter
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In the paper, the theory of systematic design frequency filters is described. The result is a fourth-order pseudo-differential frequency filter operating in the voltagemode and implemented as a cascade connection of two basic second-order blocks. The filter is able to realize the low-pass filtering functions. The basic block employs three active elements and four passive elements. The filter is characterized by a minimum number of passive elements and high output impedance. Filter analysis examines the magnitude, phase, common-mode rejection ratio signal, and behavior of filters while reducing the recommended voltage. The proper functionality of the filter is verified by simulations and experimental measurements for two different interconnections.
KeywordsPseudo-differential filter, voltage-mode, current conveyor, low-pass, cascade, systematic design
Document typePeer reviewed
Source2019 11th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT). 2019, p. 1-6.
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