Wideband Six-Port Receiver using Elliptical Microstrip-Slot Directional Couplers

被引：0

作者：

Wei, Muh-Dey ^{[1
]}

Chen, Yu-Tzu ^{[2
]}

Qayyum, Saad ^{[1
]}

Tseng, Chao-Hsiung ^{[2
]}

Negra, Renato ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Chair High Frequency Elect, D-52062 Aachen, Germany

[2] Natl Taiwan Univ Sci & Technol, Dept Elect & Comp Engn, Taipei 10607, Taiwan

来源：

2015 IEEE RADIO AND WIRELESS SYMPOSIUM (RWS) | 2015年

关键词：

Six-port Receiver; Directional Coupler; Controlled-Impedance Via; Cognitive Radio;

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：

A prototype of a wideband six-port receiver is presented. It consists of three multilayer elliptical microstrips-lot directional couplers (MSDCs), a power divider and reactive-matching power detectors. To compose the receiver using MSDCs, a controlled-impedance via is required. The via, taken advantage of the multilayer structure, reaches a bandwidth of more than 190% and low insertion loss. 64-QAM signals with different data rates are fed for testing. From 0.5 GHz to 5 GHz the measured EVM is less than 4% with 1 Mbps data rate. The operation frequency covers many commercial standards and thus, the concept is suitable for cognitive radio application. A sensitivity of -52dBm and -58dBm is achieved at 0.9 GHz and 2.4 GHz, respectively, without LNAs.

引用

页码：10 / 12

页数：3

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