A non-isolated power-combining antenna for outphasing radio transmitters

F.P. Wilt, van der, E. Habekotté, A.B. Smolders

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)
5 Downloads (Pure)

Abstract

In this work, we propose a two-port antenna which can fulfill the extra function of power combiner in an outphasing radio transmitter. The antenna has an equivalent circuit nearly identical to that of the quarter-wavelength transmission line power combiner terminated by a resistive load representing the separate antenna. Therefore, it has the typical characteristics of a non-isolated combiner: low losses at cost of no port isolation. The proposed concept is verified by simulations based on a theoretical model and validated with measurements from a prototype for the case of a 2.4-GHz QAM64 transmit signal.
Original languageEnglish
Pages (from-to)761-766
JournalIEEE Transactions on Antennas and Propagation
Volume64
Issue number2
DOIs
Publication statusPublished - 2016

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