This work discusses the design and the expected results of two stacked-cells implemented in a 0.15 μm gate-length Gallium Nitride (GaN) Monolithic Microwave Integrated Circuit (MMIC) technology for K-band power applications. Both cells are based on the same overall active periphery but one exploits a self-bias (SeB) approach for the common gate device, whereas the other is biased on a more traditional independent bias routing (SaB). Moreover, with respect to the traditional approach, in both cells the common source device is split in two in order to reduce the parasitic contribution and also to obtain a more compact and easy to implement overall stacked cell. The main goal of this paper is to provide a fair comparison between SeB and SaB stacked cells, by highlighting pros and cons of both approaches in terms of linear and nonlinear performances.

Furxhi, S., De Marzi, S., Giofre, R., Colantonio, P. (2022). GaN Stacked Cells for Power Applications in K-Band: A Comparative Study. In MEDITERRANEAN MICROWAVE SYMPOSIUM 2022 (pp.1-4) [10.1109/MMS55062.2022.9825522].

GaN Stacked Cells for Power Applications in K-Band: A Comparative Study

Giofre, Rocco;Colantonio, Paolo
2022

Abstract

This work discusses the design and the expected results of two stacked-cells implemented in a 0.15 μm gate-length Gallium Nitride (GaN) Monolithic Microwave Integrated Circuit (MMIC) technology for K-band power applications. Both cells are based on the same overall active periphery but one exploits a self-bias (SeB) approach for the common gate device, whereas the other is biased on a more traditional independent bias routing (SaB). Moreover, with respect to the traditional approach, in both cells the common source device is split in two in order to reduce the parasitic contribution and also to obtain a more compact and easy to implement overall stacked cell. The main goal of this paper is to provide a fair comparison between SeB and SaB stacked cells, by highlighting pros and cons of both approaches in terms of linear and nonlinear performances.
MEDITERRANEAN MICROWAVE SYMPOSIUM 2022
Pizzo Calabro, Italia
2022
Rilevanza internazionale
Settore ING-INF/01
English
stacked cells; MMIC; power amplifiers; GaN- on-SiC; K-band
Intervento a convegno
Furxhi, S., De Marzi, S., Giofre, R., Colantonio, P. (2022). GaN Stacked Cells for Power Applications in K-Band: A Comparative Study. In MEDITERRANEAN MICROWAVE SYMPOSIUM 2022 (pp.1-4) [10.1109/MMS55062.2022.9825522].
Furxhi, S; De Marzi, S; Giofre, R; Colantonio, P
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2108/303994
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