Dual output filter topology with a single NIC for pole frequency sensitive applications
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KünyeMetin, B., Arslan, E., Minaei, S., & Çiçekoğlu, O. (2009). Dual output filter topology with a single NIC for pole frequency sensitive applications. International Journal of Electronics, 96 (7), 699-710. http://dx.doi.org/10.1080/00207210902791728
In this article a dual output filter synthesis topology is proposed using a negative impedance converter (NIC) and the minimum number of passive components. Different from the preceding NIC based synthesis methods, the proposed circuits allow passive element matching to reduce the number of passive elements. The proposed dual output topology can simultaneously provide all-pass, notch/high-pass or notch/low-pass filter configurations. Also, the proposed filters have a pole frequency independent of the voltage and current gain deviations of the active element, so it is suitable for pole frequency sensitive applications. Simulations, including a post-layout simulation, Monte-Carlo analysis and Routh-Hurwitz stability tests are performed to verify the theoretical results.