A 10 b 120 MSamples/s多采样，单转换CMOS A/D转换器用于I/Q解调器

1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC Pub Date : 1996-02-08 DOI:10.1109/ISSCC.1996.488625

J. Eklund, R. Arvidsson

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引用次数: 5

摘要

我们提出了一个滤波器，它在时间Tm=T(n+1/2)时估计信号，其中T=1/fs。然后需要两个滤波器，一个I-和一个q -滤波器。存在一类可以在采样单元中作为模拟滤波器实现的横向滤波器。滤波是在采样操作中完成的，通过将信号抽取到基带，可以在低速下进行A/D转换。我们研究了双金属单聚0.8 /spl mu/m cmos工艺的实现质量。

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A 10 b 120 MSamples/s multiple sampling, single conversion CMOS A/D converter for I/Q demodulator

We present a filter that estimates the signals at time Tm=T(n+1/2), where T=1/fs. Then two filters are needed, one I- and one Q-filter. There exists a class of transversal filters that can be implemented in the sampling unit as an analog filter. The filtering is done in the sampling operation, and by decimating the signal to the base band the A/D conversion can be done at low speed. We have investigated the quality of an implementation in a double-metal single-poly 0.8 /spl mu/m CMOS-process.

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来源期刊

1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC

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