2003•Microelectronic TechnologyRequires access

A New Second-order Current-mode Universal Filter Based on CCII_+

Weidong Wang

Abstract

A new current-mode multifunction filter with a single input and three outputs employing only three positive CCⅡs and five passive elements is presented in the paper. The circuit can be used to realize second low-pass, high-pass, band-pass, all-pass and notch current-mode filter functions, in addition, with low input impedance and high output impedance. No component matching is required and the sensitivities of all passive devices are low. The corresponding PSPICE simulation frequency responses of second-order filter are also given.

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Available abstract

Key concepts: Filter (signal processing), Low-pass filter, Band-stop filter, Electronic engineering, High-pass filter, Electrical impedance, Constant k filter, Output impedance