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New CMOS Compatible Realizations of Grounded/Floating L, C Multiplier and FDNC Simulators

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Abstract

In this paper, both grounded and floating type novel designs of inductance simulator, capacitance multiplier simulator and frequency-dependent negative conductance (FDNC) simulator are proposed. Current follower differential input transconductance amplifier (CFDITA) is utilized as active building block in the realization of the proposed works. All the proposed ideas employ grounded capacitor(s) as only passive element(s) which make these designs suitable to modern integration technology. The proposed designs are electronically tunable as transconductance of CFDITA can be varied with bias current. Additionally, the proposed designs have no matching constraints. PSPICE with 0.18 µm CMOS technology process parameters is used to perform simulations of the proposed designs. Experimental verification of functionality of the proposed grounded inductance simulator is also done using commercially available ICs, AD844 and LM13700. The applications of the proposed floating inductance simulator as band-pass filter and band-reject filter are explored. Additionally, proposed grounded FDNC simulator is also tested in third-order high-pass filter to demonstrate the applicability aspects.

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Correspondence to Shafali Jagga.

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Kumar, A., Chaturvedi, B. & Jagga, S. New CMOS Compatible Realizations of Grounded/Floating L, C Multiplier and FDNC Simulators. Circuits Syst Signal Process 42, 1911–1939 (2023). https://doi.org/10.1007/s00034-022-02207-z

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