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Transformer-based multi-band RF front-end architecture

机译:基于变压器的多频段射频前端架构

摘要

An apparatus and method for allowing two different signal paths to be coupled to a multi-tap transformer balun. The multi-tap transformer has a first port, which is coupled to a single antenna, and two or more differential secondary ports. Each port has one or more taps, which are optimized separately for each of the signal paths, allowing each of the two or more signal paths to operate in different frequency bands. Use of the method of the invention can decrease the number of external components and integrated circuit package pins, and reduce the area required for each signal path on an integrated circuit die, a printed circuit board, or the like.
机译:一种用于允许将两个不同的信号路径耦合到多抽头变压器巴伦的装置和方法。多抽头变压器具有耦合到单个天线的第一端口和两个或多个差分次级端口。每个端口都有一个或多个抽头,分别针对每个信号路径进行了优化,从而允许两个或更多信号路径中的每一个在不同的频段工作。使用本发明的方法可以减少外部部件和集成电路封装管脚的数量,并减小集成电路管芯,印刷电路板等上的每个信号路径所需的面积。

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