采用SiGe技术设计的低功耗5ghz直接数字合成器

Digest of Papers. 2004 Topical Meeting onSilicon Monolithic Integrated Circuits in RF Systems, 2004. Pub Date : 2004-09-08 DOI:10.1109/SMIC.2004.1398157

F. Dai, Lakshmi S. J. Chimakurthy, D. Yang, J. Huang, R. Jaeger

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引用次数: 13

摘要

提出了一种采用47ghz SiGe技术设计的低功耗高速直接数字合成器(DDS)。无rom DDS包括一个8位累加器和一个8位余弦加权数模转换器(DAC)，工作频率最高为5 GHz。DDS核心面积为2mm /sup 2/，在3.3 V供电电压下功耗小于2w。5ghz MMIC为l波段应用提供了频率合成和调制手段。

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A low power 5 GHz direct digital synthesizer designed in SiGe technology

This paper presents a low power high-speed direct digital synthesizer (DDS), designed in a 47 GHz SiGe technology. The ROM-less DDS includes an 8-bit accumulator and an 8 bit cosine-weighted digital-to-analog converter (DAC) operating at a maximum 5 GHz clock frequency. The DDS core occupies an area of 2 mm/sup 2/ and consumes less than 2 W power with a 3.3 V supply voltage. The 5 GHz MMIC provides a frequency synthesis and modulation means for L-band applications.

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来源期刊

Digest of Papers. 2004 Topical Meeting onSilicon Monolithic Integrated Circuits in RF Systems, 2004.

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