用于便携式应用的470-710 MHz硅电视调谐器的天线和输入级

Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005. Pub Date : 2005-12-05 DOI:10.1109/ESSCIR.2005.1541604

V. Rambeau, H. Brekelmans, M. Notten, K. Boyle, J. V. Sinderen

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引用次数: 14

摘要

本文介绍了一种用于便携式设备(如手机、笔记本电脑和pda)的硅电视调谐器的天线和输入级。该调谐器满足移动和便携式DVB-T无线接入接口规范MBRAI的要求。调谐器的第一级包括宽带天线、匹配和滤波电路以及LNA。工作频段为470-710MHz (DVB-H)。匹配和滤波电路包括一个强GSM陷阱，使GSM频率衰减超过40dB。总功率增益为20 /spl plusmn/ 3dB，总链的NF小于4dB。2.5V电源的功耗为21mW。LNA是基于D. Szmyd等人(2001)的0.25/spl mu/m、35GHz f/sub T/ BiCMOS技术制造的。

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Antenna and input stages of a 470-710 MHz silicon TV tuner for portable applications

This paper describes the antenna and input stages of a silicon TV-tuner intended for portable devices such as cell phones, laptops and PDAs. The tuner meets the requirements of the mobile and portable DVB-T radio access interface specifications MBRAI. The first stages of the tuner comprise a broadband antenna, a matching and filtering circuit, and LNA. The frequency band of operation is 470-710MHz (DVB-H). The matching and filtering circuitry comprises a strong GSM trap that attenuates the GSM frequencies by more than 40dB. The overall power gain is 20 /spl plusmn/ 3dB in the band, and the NF of the total chain is less than 4dB. The power consumption is 21mW from 2.5V supply. The LNA is fabricated in a 0.25/spl mu/m, 35GHz f/sub T/ BiCMOS technology based on D. Szmyd et al. (2001).

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Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.

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