用于5 ghz WLAN应用的硅双极上下转换器

E. Ragonese, A. Italia, L. Paglia, G. Palmisano
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引用次数: 7

摘要

采用46-GHz-f/sub - T/硅双极技术实现了用于5 ghz无线局域网应用的db线性可变增益上转换器和图像抑制下转换器。上变频器具有13db的功率增益和6dbm的输出1db压缩点。它采用数字预失真技术,实现了动态范围为30db的线性dB增益特性。下变频器的噪声系数为4 dB,功率增益为23 dB。通过使用1位增益控制,它还实现了输入1-dB压缩点-14 dBm。基于单片无源陷波滤波器的图像抑制方法提供了高于60 dB的图像抑制比。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Silicon bipolar up and down-converters for 5-GHz WLAN applications
A dB-linear variable-gain up-converter and an image-reject down-converter for 5-GHz wireless LAN applications were implemented in a 46-GHz-f/sub T/ silicon bipolar technology. The up-converter exhibits a 13-dB power gain and an output 1-dB compression point of 6 dBm. It adopts a digital pre-distortion technique to achieve a linear-in-dB gain characteristic with a dynamic range of 30 dB. The down-converter exhibits a 4-dB noise figure and a power gain of 23 dB. By using a 1-bit gain control it also achieves an input 1-dB compression point of -14 dBm. An image-rejection approach based on monolithic passive notch filters provides an image rejection ratio higher than 60 dB.
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