Novel resistorless dual-output VM all-pass filter employing VDIBA
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KünyeHerencsar, N., Koton, J., Minaei, S., Yüce, E., & Vrba, K. (2011). Novel resistorless dual-output VM all-pass filter employing VDIBA. In 2011 7th International Conference on Electrical and Electronics Engineering (ELECO) (pp. II-82-II-84). Piscataway, NJ: IEEE.
In this paper, a new active element called voltage differencing inverting buffered amplifier (VDIBA) is presented. Using single VDIBA and capacitor a new resistorless voltage-mode first-order all-pass filter is proposed, which provides both inverting and non-inverting outputs at the same configuration simultaneously. The pole frequency of the filter can be easily controlled by means of internal transconductance. No component-matching conditions are required and it has low sensitivity. The theoretical results are verified by SPICE simulations using commercially available integrated circuit models.