A Volterra series approach for the design of low-voltage CG-CS active baluns

2012 IEEE International Conference on Ultra-Wideband Pub Date : 2012-11-12 DOI:10.1109/ICUWB.2012.6340391

Shan He, C. Saavedra

引用次数: 1

Abstract

A low-voltage active balun and amplifier is presented. The circuit uses a common-gate common-source (CG-CS) noise-cancelling topology with a simple distortion cancellation method to improve the IIP3 performance of the balun-amplifier. A Volterra series analysis is employed to provide insights into the nonlinear behavior of the circuit. A chip was fabricated and the experimental test results show an average voltage gain for the balun-amplifier of 16.2 dB and a maximum IIP3 of -3.8 dBm over the span of 0.3-2.4 GHz. The circuit exhibits a noise figure below 4.0 dB over the measured band and reaches a minimum of 3.2 dB. The chip uses a single 0.9 V dc supply and consumes 15.8 mW of power. The RFIC was fabricated using a standard 130 nm CMOS process.

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低压CG-CS有源平衡器的Volterra串联设计方法

介绍了一种低压有源平衡器和放大器。该电路采用共门共源(CG-CS)降噪拓扑结构和简单的失真消除方法，以提高平衡放大器的IIP3性能。采用Volterra级数分析来深入了解电路的非线性行为。实验结果表明，在0.3 ~ 2.4 GHz范围内，平衡放大器的平均电压增益为16.2 dB，最大IIP3为-3.8 dBm。该电路在测量频带上的噪声值低于4.0 dB，最低可达3.2 dB。该芯片使用单个0.9 V直流电源，功耗为15.8 mW。RFIC采用标准的130纳米CMOS工艺制造。

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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2012 IEEE International Conference on Ultra-Wideband

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