This paper presents the source/load-pull characterisation of GaN HEMTs on Si substrate, with an analysis of the measurement data oriented to aid the design of Doherty power amplifiers for satellite communication applications in the 17–20 GHz band. In particular, fundamental load-pull, in both class AB and C, is used to identify the output power and efficiency contours and assess the scalability of the performance vs. device size. Second harmonic source/load-pull data is used to determine the harmonic impedance regions to avoid during matching network synthesis. The load-pull data allows to predict the optimum load modulation trajectory to be synthesised in the design phase and the associated performance in terms of efficiency, gain compression and phase distortion.

Source/Load-Pull Characterisation of GaN on Si HEMTs with Data Analysis Targeting Doherty Design / Quaglia, Roberto; Piacibello, Anna; Costanzo, Ferdinando; Giofre, Rocco; Casbon, Michael; Leblanc, Remy; Valenta, Vaclav; Camarchia, Vittorio. - ELETTRONICO. - 1:(2020), pp. 5-8. ((Intervento presentato al convegno 2020 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR) tenutosi a San Antonio, TX, USA, USA nel 26-29 Jan. 2020 [10.1109/PAWR46754.2020.9035999].

Source/Load-Pull Characterisation of GaN on Si HEMTs with Data Analysis Targeting Doherty Design

Piacibello, Anna;Camarchia, Vittorio
2020

Abstract

This paper presents the source/load-pull characterisation of GaN HEMTs on Si substrate, with an analysis of the measurement data oriented to aid the design of Doherty power amplifiers for satellite communication applications in the 17–20 GHz band. In particular, fundamental load-pull, in both class AB and C, is used to identify the output power and efficiency contours and assess the scalability of the performance vs. device size. Second harmonic source/load-pull data is used to determine the harmonic impedance regions to avoid during matching network synthesis. The load-pull data allows to predict the optimum load modulation trajectory to be synthesised in the design phase and the associated performance in terms of efficiency, gain compression and phase distortion.
978-1-7281-3358-4
File in questo prodotto:
File Dimensione Formato  
09035999.pdf

non disponibili

Descrizione: pubblicato
Tipologia: 2a Post-print versione editoriale / Version of Record
Licenza: Non Pubblico - Accesso privato/ristretto
Dimensione 296.07 kB
Formato Adobe PDF
296.07 kB Adobe PDF   Visualizza/Apri   Richiedi una copia
PAWR2020_LoadPullOMMIC_v0.pdf

accesso aperto

Descrizione: post-print autore
Tipologia: 2. Post-print / Author's Accepted Manuscript
Licenza: PUBBLICO - Tutti i diritti riservati
Dimensione 305.82 kB
Formato Adobe PDF
305.82 kB Adobe PDF Visualizza/Apri
Pubblicazioni consigliate

Caricamento pubblicazioni consigliate

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11583/2804056