Backscatter Tag Based on an Actively-Controlled Reflection Amplifier

被引：0

作者：

Lazaro, M. ^{[1
]}

Lazaro, A. ^{[1
]}

Villarino, R. ^{[1
]}

Girbau, D. ^{[1
]}

机构：

[1] Rovira & Virgili Univ, Tarragona, Spain

来源：

2023 53RD EUROPEAN MICROWAVE CONFERENCE, EUMC | 2023年

关键词：

Backscattering; Reflection amplifier; Low-Power; Phase-Modulator; Current sensing;

D O I：

10.23919/EuMC58039.2023.10290610

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：

This paper presents the front-end design of a backscattering tag at 900 MHz, using a transistor-based reflection amplifier and a phase modulator to maximize the differential radar cross-section of the tag. In addition, the front-end integrates a current sensor to actively control the bias current of the reflection amplifier, turning it off when the incoming RF power is large enough to operate without amplification, saving energy and preventing the tag from starting to oscillate.

引用

收藏

页码：746 / 749

页数：4

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