This letter aims at investigating the impact of the gate width on the microwave field effect transistor (FET) performance, focusing on the GaAs high-electron-mobility transistor (HEMT) technology as a case study. To accomplish this complex task, the small-signal equivalent-circuit elements together with the major RF figures of merit are thoroughly analyzed for seven HEMTs based on an interdigitated layout. The gate-width impact on the device performance is quantitatively and exhaustively estimated using a mathematical and systematical approach.
Scalability of Multifinger HEMT Performance
Raffo A.Secondo
;Vadala Valeria;Vannini G.;
2020
Abstract
This letter aims at investigating the impact of the gate width on the microwave field effect transistor (FET) performance, focusing on the GaAs high-electron-mobility transistor (HEMT) technology as a case study. To accomplish this complex task, the small-signal equivalent-circuit elements together with the major RF figures of merit are thoroughly analyzed for seven HEMTs based on an interdigitated layout. The gate-width impact on the device performance is quantitatively and exhaustively estimated using a mathematical and systematical approach.File in questo prodotto:
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