{"title":"A compact 100W, 68% Class F GaN Power Amplifier for L-band GPS","authors":"Hemin Wu, K. Yuk, G. Branner","doi":"10.1109/WAMICON.2019.8765474","DOIUrl":null,"url":null,"abstract":"The work presents a light weight and compact solid-state power amplifier (SSPA) using GaN technology for L1 band (1.575GHz) GPS applications. Due to immature development of GaN transistor modeling, the PA is designed to operate in Class F mode by using a combination of harmonic load-pull simulations and data-based characterization to achieve high PAE. Additionally, the paper will discuss the solutions to the challenges of thermal management and input matching network design. A hybrid circuit realization achieves Pout=102W, ETA=68% and PAE=66% with gain=15.1dB under 3dB gain compression in CW operation.","PeriodicalId":328717,"journal":{"name":"2019 IEEE 20th Wireless and Microwave Technology Conference (WAMICON)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE 20th Wireless and Microwave Technology Conference (WAMICON)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WAMICON.2019.8765474","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The work presents a light weight and compact solid-state power amplifier (SSPA) using GaN technology for L1 band (1.575GHz) GPS applications. Due to immature development of GaN transistor modeling, the PA is designed to operate in Class F mode by using a combination of harmonic load-pull simulations and data-based characterization to achieve high PAE. Additionally, the paper will discuss the solutions to the challenges of thermal management and input matching network design. A hybrid circuit realization achieves Pout=102W, ETA=68% and PAE=66% with gain=15.1dB under 3dB gain compression in CW operation.
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