Abstract
In this paper a new grounded capacitance multiplier based on DXCCII suitable for operation at low and moderate frequencies is presented. The proposed circuit employs only a single dual-X second-generation current conveyor (DXCCII) active device, used as a voltage amplifier with two NMOS transistors operating in triode region, cooperating with a floating capacitor. The realized equivalent capacitance obtained from Miller multiplication of the reference capacitor and its multiplication factor is electronically tunable. Simulation results using AMS 0.35μm CMOS process technology parameters are included. Functionality of the proposed circuit is verified through its application in a Gm-C second-order low-pass filter.
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