Using High-Directivity Couplers in Isolatorless Cellular Phone PA Control

Using High-Directivity Couplers in Isolatorless Cellular Phone PA Control
Written By: Avital Yaish

Abstract:
This article outlines the use of High-Directivity Couplers in Cellular handsets. Benefits can include increased talk-time, minimized insertion loss between the PA and the antenna and can also remove the need for an isolator.

A version of this article was previously published in RF Design, April 2006.

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