An Efficient Linearized Octave-Bandwidth Power Amplifier for Carrier Aggregation

被引：0

作者：

Duffy, Maxwell R. ^{[1
]}

Berry, Eric ^{[1
]}

Lasser, Gregor

Popovic, Zoya ^{[1
]}

机构：

[1] Univ Colorado, Dept Elect Comp & Energy Engn, Boulder, CO 80309 USA

来源：

2018 IEEE/MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM - IMS | 2018年

关键词：

Power amplifiers; efficiency; GaN; broadband; carrier aggregation; DESIGN;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a single-stage octave bandwidth power amplifier from 2-4 GHz with greater than 10 W output power and drain efficiency ranging from 55-70% is presented. Input and output networks are synthesized to match the fundamental, 2nd and 3rd harmonics for efficiency, based on load-pull simulations. The amplifier performance is characterized over the entire band for a 20-MHz LTE signal with a PAPR of 8 dB, demonstrating an average efficiency greater than 25% with a normalized mean square error (NSMR) below -28 dB. Two 20-MHz signals are then simultaneously amplified with a spacing that varies from 200 MHz to 1 GHz, with resulting average efficiencies over 28%.

引用

页码：473 / 476

页数：4

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