Electronically Tunable Multi-Terminal Floating Nullor and Its Applications
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A realization scheme of an electronically tun- able multi-terminal floating nullor (ET-MTFN) is de- scribed in this paper. The proposed circuit mainly employs a transconductance amplifier, an improved translinear cell, two complementary current mirrors with variable current gain and improved Wilson current mirrors, which provide an electronic tuning of the current gain. The va- lidity of the performance of the scheme is verified through PSPICE simulation results. Example applications employing the proposed ET-MTFN as an active element demonstrate that the circuit properties can be varied by electronic means.
Zdrojový dokumentRadioengineering. 2008, vol. 17, č. 4, s. 3-7. ISSN 1210-2512
- 2008/4