Assessment of 28nm UTBB FD-SOI technology platform for RF applications: Figures of merit and effect of parasitic elements
(2015) Solid-State Electronics — Vol. 117, p. 130-137 (2015)
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- Abstract
- This work provides a detailed study of 28 nm fully-depleted silicon-on-insulator (FD-SOI) planar ultra-thin body and BOX (UTBB) MOSFETs for high frequency applications. All parasitic elements such as the parasitic gate and source/drain series resistances, total capacitances are extracted and their effects on RF performance are analyzed and compared with previous work on similar devices. Two main RF figures of merit (FoM) such as the current gain cut-off frequency (fT) and the maximum oscillation frequency (fmax) are determined. It is shown that fT of 280 GHz and fmax of 250 GHz are achievable in the shortest devices. Based on the extracted parameters, the validation of the small-signal equivalent circuit used for modeling UTBB MOSFETs is investigated by comparing simulated and measured S-parameters.
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Citations
Kazemi Esfeh, B., Kilchytska, V., Barral, V., Planes, N., Haond, M., Flandre, D., & Raskin, J.-P. (2015). Assessment of 28nm UTBB FD-SOI technology platform for RF applications: Figures of merit and effect of parasitic elements. Solid-State Electronics, 117, 130-137. https://doi.org/10.1016/j.sse.2015.11.020 (Original work published 2015)