2.45 GHz遥控跨波段生物医学无线电应答器应用

Proceedings. 1998 IEEE International Conference on Information Technology Applications in Biomedicine, ITAB '98 (Cat. No.98EX188) Pub Date : 1998-05-16 DOI:10.1109/ITAB.1998.674685

G. C. Crumley, N. Evans

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引用次数: 0

摘要

本文讨论了用于半有源双工射频应答器的最小功率2.45 GHz脉冲接收机和伴发器的设计。一个50 /spl ω /微带短段匹配的零偏二极管探测器构成了身体磨损接收器的核心，实现了-56 dBm的切向灵敏度。三极带通滤波提供带外信号的抑制，通常在900 MHz蜂窝频段中为28 dB。3.6 V便携式开关式发射机具有合适的输出功率与应答器通信，为系统测试提供了一个完整的移动发射机。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2.45 GHz telecontrol for cross-band biomedical radio transponder application

The paper discusses the design of a minimum power 2.45 GHz pulse receiver and companion transmitter for use in a semi active, duplex RF transponder. A 50 /spl Omega/ microstrip stub matched zero bias diode detector forms the heart of the body-worn receiver, achieving a tangential sensitivity of -56 dBm. Three-pole bandpass filtering provides rejection of out of band signals, typically 28 dB in the 900 MHz cellular band. A 3.6 V portable on-off-keyed transmitter with suitable output power to communicate with the transponder provided a full mobile transmitter for system tests.

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Proceedings. 1998 IEEE International Conference on Information Technology Applications in Biomedicine, ITAB '98 (Cat. No.98EX188)

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