Novel CMOS technology - based linear grounded voltage controlled resistor
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KünyeYüce, E., Minaei, S., & Alpaslan, H. (2011). Novel CMOS technology - based linear grounded voltage controlled resistor. Journal of Circuits Systems and Computers , 20(3), 447-455. http://dx.doi.org/10.1142/S0218126611007384
In this paper, a grounded voltage controlled resistor (GVCR) employing eight CMOS transistors, all of which are operating in saturation region, is proposed. The developed GVCR has two identical control voltages in opposite sign for electronically changing the resistance value. The linearity of the current-voltage (I - V) characteristic of the proposed GVCR is not affected by the body effect of the transistors. Computer simulation results with SPICE program are given to exhibit the performance and effectiveness of the introduced GVCR.