A 3.8Ghz channel-select filter using 0.18/spl mu/m CMOS

IEEE International SOC Conference, 2004. Proceedings. Pub Date : 2004-11-30 DOI:10.1109/SOCC.2004.1362471

Jiandong Ge, A. Dinh

引用次数: 2

Abstract

A high gain bandpass filter was designed as a channel-select filter for applications around 3.8GHz. Three stages of 2nd order were cascaded to have a high image rejection filter with an adjustable bandwidth. An experimental filter designed using standard 0.18/spl mu/m CMOS occupies an area of 0.9/spl times/0.9mm/sup 2/. This high performance filter provides a selected center frequency ranging from 3.6GHz to 3.8GHz, an image-rejection of 50dB and a tunable Q from 25 to 50 for bandwidth adjustment. The filter achieves a 15dB gain from a 1.8V supply.

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采用0.18/spl mu/m CMOS的3.8Ghz通道选择滤波器

设计了一种高增益带通滤波器，用于3.8GHz左右的信道选择滤波器。三级二阶级联，具有高图像抑制滤波器，带宽可调。采用标准0.18/spl μ /m CMOS设计的实验滤波器占地0.9/spl倍/0.9mm/sup 2/。这款高性能滤波器的中心频率范围为3.6GHz至3.8GHz，图像抑制为50dB，带宽可调Q为25至50。该滤波器从1.8V电源获得15dB增益。

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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IEEE International SOC Conference, 2004. Proceedings.

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