Stability problems in universal current - mode filters
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KünyeYüce, E., Tokat, S., Minaei, S., & Çiçekoğlu, O. (2007). Stability problems in universal current - mode filters.AEU - International Journal of Electronics and Communications, 61(9), 580-585. http://dx.doi.org/10.1016/j.aeue.2006.09.007
Analog circuit desioners have usually focused on the design of circuits employing a minimum number of components, occupying less area and dissipating less power. However, some important issues such as signal limitations and especially stability problems of the analog circuits have not received considerable attention in the literature. Hence, the work described in this paper deals with the stability problems of two new current-mode analog filters employing multiple output current controlled conveyors (MOCCCIIs). Toward that end, a single pole model is replaced for each non-ideal current gain of the MOCCCIIs. Both of the novel universal current-mode active-C filters can simultaneously realize low-pass, band-pass and high-pass/notch filter responses. SPICE and MATLAB simulation results are given to verify the theoretical analysis.