Abstract
This article proposes a charged controlled emulator model for memristor and memcapacitor using second-generation Current Conveyor (CCIIs) and Analog Multiplier (AM). The grounded and floating mem-element circuits have been designed using two CCIIs and one multiplier in addition to some passive components. The grounded type of design requires three resistors and three capacitors while floating design necessitates only two resistors and two capacitors. With the help of a switch, the proposed design can be easily switched into a memristor or memcapacitor. The proposed emulator model has been theoretically analyzed and simulated in PSpice to substantiate the effectiveness and accuracy. The practicability of the circuit has been established using commercially available ICs AD844AN and AD633JN. Non-linear characteristics of the proposed memristor emulator have been used to design a chaotic system.
Highlights
With the advancement in VLSI technology, demand for high speed and low power technology has increased manifold
In 2008, Strukov and his team at HP Lab [1] developed a working memristor using Titanium Dioxide (TiO2), a fourth fundamental passive element of the circuit after the resistor, capacitor and inductor which were earlier predicted by Leon Chua in 1971 [2] in his paper ‘The Missing Memristor Found.’
After the discovery of memristor, the notion of passive memory device is not limited to memristor and has further extended to the memcapacitor and meminductor by Di Ventra et al in 2009 [3]
Summary
With the advancement in VLSI technology, demand for high speed and low power technology has increased manifold. Sharma et al.: Charged Controlled Mem-Element Emulator and Its Application in a Chaotic System limited operating frequency. These drawbacks can be overcome using current mode circuits. Vista and Ranjan had proposed a simple charge controlled floating memcapacitor emulator using Dual X current conveyor differential input transconductance amplifier (DXCCDITA) [21]. As shown, first acts as a grounded mem-element emulator It requires two CCIIs, one Multiplier, three resistors, three capacitors, and three switches. It requires two CCIIs, one Multiplier, two resistors, two capacitors, and two switches. The negative resistance in Chua’s circuit is realized using IC3080
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