Design Consideration for Active–Only Memcapacitor Emulator Circuits

Abstract

In this paper, a simple memcapacitor emulator circuit using only active elements is presented. Instead of using any bulky passive components, the proposed circuit makes use of the intrinsic capacitors of MOSFETs. As a result, the circuit took up significantly less area on the IC environment. In addition, a modification technique is proposed to extend the operating frequency range of the emulator, which might broaden the circuit's application possibilities. Considering the basic non-idealities of the circuit, a more realistic formulation of the memcapacitance value is derived. Detailed simulations utilizing the 0.18 µm CMOS Cadence design tool are used to validate all theoretical aspects as well as the circuit's appropriate functionality.

OTA Based Mem-capacitor Validation and Implementation Using Commercially Available IC

“…In the literature that is currently available, active and passive component-based MCs are reported in Refs. [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25], which may be further classified as MC emulators without MR [10], [12]- [13], [17]- [19], [22], [24]- [25] and MR-based emulators, also known as mutator approach [11,[14][15][16][20][21]23].…”

“…Another MC emulation in Ref. [22] uses five active elements and none passive element, however, the device uses its own intrinsic (parasitic) capacitor as a passive element, limiting its frequency for lower range since parasitic effects can be seen at higher frequency. J. Vista also provided a new design based on the DXCCDITA active element [25], but the article did not provide any experimental data from the MC emulation.…”