ICCII-based universal current-mode analog filter employing only grounded passive compoents
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CitationYüce, E., & Minaei, S. (2009). ICCII-based universal current-mode analog filter employing only grounded passive compoents. Analog Integrated Circuits and Signal Processing, 58(2), 161-169. http://dx.doi.org/10.1007/s10470-008-9225-2
In this paper, three versions of a novel second-order current-mode (CM) single-input three-output analog filter employing inverting second-generation current conveyors (ICCIIs) and only grounded passive components, are presented. This filter can simultaneously realize low-pass, band-pass and high-pass responses, and can also realize notch and all-pass filter responses with interconnection of the relevant output currents. The presented second-order filter requires no active and passive element matching conditions and/or cancellation constraints. The proposed filter offers orthogonal control of angular resonance frequency (omega(o)) and quality factor (Q). The proposed filter can realize filter responses at high output impedances, and has low active and passive component sensitivities. Additionally, three versions of a high-order filter derived from the proposed filter are introduced. Simulation results using SPICE program are given to show the performance of the filter and verify the theory. Signal limitations and non-ideal current and voltage gain effects of the proposed second-order filter are also investigated.
SourceAnalog Integrated Circuits and Signal Processing
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