用于3×3mm2 UMTS功率放大器模块的高指向性耦合器，在VSWR 2.5∶1下误差为±0.15dB

2010 IEEE Radio and Wireless Symposium (RWS) Pub Date : 2010-01-10 DOI:10.1109/RWS.2010.5434159

Yang Li, D. Prikhodko, Rick Zhu, Hichem Abdallah, S. Nabokin, Maxim Batrin, Y. Tkachenko

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引用次数: 6

摘要

本文提出了一种在紧凑型多层功率放大器模块(PAM)上设计高指向性耦合器的方法。对共面和双层耦合线结构进行了分析和比较。研究了布局的影响。开发了一种双电平耦合器，并将其集成到700MHz UMTS 3×3mm2 PAM中。在VSWR为2.5∶1的情况下，PAM的指向性大于28dB，耦合系数变化在±0.15dB以内。

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A compact high directivity coupler with ±0.15dB error under VSWR 2.5∶1 for 3×3mm2 UMTS power amplifier modules

This paper presents an approach to design high directivity couplers on compact multilayer power amplifier module (PAM). Coplanar and bilevel coupled lines structures are analyzed and compared. The effects of layout are investigated. A bilevel coupled line coupler is developed and integrated into 700MHz UMTS 3×3mm2 PAM. It achieves more than 28dB directivity and the coupling factor variation of PAM is within ±0.15dB under VSWR 2.5∶1.

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2010 IEEE Radio and Wireless Symposium (RWS)

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