A novel low-voltage low-power fully differential voltage and current gained CCII for floating impedance simulations |
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Authors: | Andrea De Marcellis Giuseppe Ferri Giuseppe Scotti Alessandro Trifiletti |
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Affiliation: | a Department of Electrical and Information Engineering, University of L’Aquila, Monteluco di Roio, L’Aquila 67100, Italy b CCLRC-Rutherford Appleton Laboratory, Chilton, OX11 0QX Oxfordshire, UK c Department of Electronic Engineering, University of Roma La Sapienza, Roma 00184, Italy |
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Abstract: | In this paper we present a new current-mode basic building block that we named voltage and current gained second generation current conveyor (VCG-CCII). The proposed active block allows to control and tune both the CCII current gain and the voltage gain through external control voltages. It has been designed, at transistor level in a standard CMOS technology (AMS 0.35 μm), with a low single supply voltage (2 V), as a fully differential active block. The proposed integrated solution, having both low-voltage (LV) and low-power (LP) characteristics, can be applied with success in suitable IC applications such as floating capacitance multipliers and floating inductance simulators, utilizing a minimum number of active components (one and two, respectively). Simulation results, related to floating impedance simulators, are in good agreement with the theoretical expectations. |
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Keywords: | Analog current-mode circuits Second generation current conveyor (CCII) Low-voltage low-power fully differential block Floating impedance simulators |
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