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Active and Passive Electronic Components
Volume 2017 (2017), Article ID 1609787, 12 pages
Research Article

A Novel Floating Memristor Emulator with Minimal Components

1College of Information Engineering, Xiangtan University, Xiangtan, Hunan 411105, China
2Department of Optoelectronic Engineering, Xiangtan University, Xiangtan, Hunan 411105, China

Correspondence should be addressed to Zhijun Li

Received 4 July 2017; Revised 23 August 2017; Accepted 6 September 2017; Published 19 October 2017

Academic Editor: Jiun-Wei Horng

Copyright © 2017 Zhijun Li et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A new floating emulator for the flux-controlled memristor is introduced in this paper. The proposed emulator circuit is very simple and consists of only two current feedback operational amplifiers (CFOAs), two analog multipliers, three resistors, and two capacitors. The emulator can be configured as an incremental or decremental type memristor by using an additional switch. The mathematical model of the emulator is derived to characterize its behavior. The hysteresis behavior of the emulator is discussed in detail, showing that the pinched hysteresis loops in - plane depend not only on the amplitude-to-frequency ratio of the exciting signal but also on the time constant of the emulator circuit itself. Experimental tests are provided to validate the emulator’s workability.