Analysis of Current Mirrors with Asymmetric Self-Cascode Association of SOI MOSFETs through SPICE Simulations
In this paper the performance of different architectures of current mirrors implemented with single SOI transistors and self-cascode transistors, both symmetric and asymmetric is evaluated. A comparison of current mirrors figures of merit, looking for the advantages of the asymmetric composite structure in relation to a single SOI MOSFETs and the symmetric self-cascode transistor is performed. This analysis has been carried out through analytical simulations, using common-source, Cascode and Wilson current mirrors architectures. It is shown that asymmetric configuration can provide larger output resistance even in the common-source current mirror than other architectures with conventional single transistors.
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