用于2.4 ghz无线传感器网络应用的0.5V CMOS LNA

Liang Chen, Zhiqun Li, Zhigong Wang
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引用次数: 8

摘要

本研究旨在设计一种低噪声放大器(LNA),该放大器可以在0.5V的超低电压下工作,并采用中芯国际0.13μm RF-CMOS技术进行优化,用于WSN应用。采用基于功率约束同步噪声与输入匹配(PCSNIM)技术的差分电感退化折叠级联码拓扑结构。所选电路的功率增益为16.5dB,消耗3.3mW直流功率,NF值为0.78dB,输入1 db压缩点为- 20.9dBm。输入匹配(S11)和输出匹配(S22)均低于- 19dB。结果表明,该电路完全适用于低电压、低功耗的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A 0.5V CMOS LNA for 2.4-GHz WSN application
This study was initiated to design a low noise amplifier (LNA), which could work with ultra low voltage of 0.5V and was optimized for WSN application using SMIC 0.13μm RF-CMOS technology. The topology of differential inductance degenerated folded cascode based on power-constrained simultaneous noise and input matching (PCSNIM) technique was adopted. Chosen circuit demonstrated a power gain of 16.5dB, consuming 3.3mW DC power, showing 0.78dB NF and an input 1-dB compression point of −20.9dBm. Both input match (S11) and output match (S22) were below −19dB. The results indicate that this LNA is fully applicable to the low voltage and low power application.
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