Electronically tunable DXCCII-based grounded capacitance multiplier
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KünyeMYDERRIZI, I., ZEKİ, A. (2014). Electronically tunable DXCCII-based grounded capacitance multiplier. Aeu-International Journal of Electronics and Communications, 68 (9), pp. 899-906. http://dx.doi.org/10.1016/j.aeue.2014.04.013.
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 0.35 mu m CMOS process technology parameters are included. Functionality of the proposed circuit is verified through its application in a G(m)-C second-order low-pass filter.