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As described of electrical circuit have been considering that there are three fundamental passive twoterminal circuit elements; resistor, capacitor, and inductor respectively. In 1971, Prof. L. Chua proposed and described memristor which defines the relationship between magnetic flux and charge. This paper are purposed a memristor emulator circuit based on operational transconductance amplifiers (OTAs). The proposed circuits can be realized using commercially integrated circuits OTA, op amp as AD844, TL084, inductor, capacitor and resistors. The characteristic of memristor emulators can be examined in a practical experiment with the active and passive components. As described, the results could be demonstrated with the memristor circuit application. Furthermore, OTA is used to realize electronically tunable current conveyors emulator circuit. As a result of simulation, the decremental and incremental memristor emulator circuit is suitable for connecting in a series circuit. It was found that the frequency-dependent pinched hysteresis loop of proposed memristor emulator circuits can be updated by changing the value of capacitance and resistance, besides it increases the current gain of current conveyor. In addition to the expected results of memristor (RM), Memcapacitor (CM) and meminductor (LM) are proposed to determine in time-domain characteristics of R-L-C mode circuits. The results of experimental are discussed of phenomena studies by the memory characteristics.

A Practical Implementation of Memristor Emulator Circuit Based on Operational Transconductance Amplifiers