一个0.35-/spl mu/m CMOS低噪声VGA

Proceedings of Second IEEE Asia Pacific Conference on ASICs. AP-ASIC 2000 (Cat. No.00EX434) Pub Date : 2000-08-28 DOI:10.1109/APASIC.2000.896894

Kyuyoung Chung, G. Han, Sungho Kang

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引用次数: 1

摘要

本文提出了一种CMOS低噪声可变增益放大器(VGA)。介绍了所提出的VGA的噪声优化方法。所设计的VGA提供0至21.30 dB增益变化，带宽为49 MHz。在1mhz时，输入反射噪声电压为4.84 nV/sqrt-Hz，噪声系数为14.53 dB(Rs=50 /spl ω /)。VGA采用0.35-/spl mu/m CMOS工艺制作。

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A 0.35-/spl mu/m CMOS low noise VGA

This paper proposes a CMOS low noise variable gain amplifier (VGA). It describes the noise optimization method of the proposed VGA. The designed VGA provides of a 0 to 21.30 dB gain variation and with bandwidth of 49 MHz. The input reflected noise voltage is 4.84 nV/sqrt-Hz at 1 MHz and noise figure is 14.53 dB(Rs=50 /spl Omega/). The VGA was fabricated using 0.35-/spl mu/m CMOS technology.

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Proceedings of Second IEEE Asia Pacific Conference on ASICs. AP-ASIC 2000 (Cat. No.00EX434)

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