Dual cross-coupling LNA with forward body bias technique

Chia Hung Chang*, Tao Wang, Christina F. Jou

*此作品的通信作者

研究成果: 期刊稿件文章同行評審

15 引文 斯高帕斯(Scopus)

摘要

A fully integrated low-power LNA with dual cross-coupling and forward body bias (FBB) techniques is presented. The first cross-coupling circuit is applied at the transconductance stage. By connecting body nodes to each other's source terminals, the body cross-coupling network forms the gate-driven and body-driven simultaneously input stage to gain its effective transconductance, which in turn improves the noise performance and decreases current consumption. In addition, the second capacitor cross-coupling configuration is applied at the input stage to form a feed-forward connection, which results in not only boosting the effective transconductance, but also reducing the influence of the gate noise from the input transistors as well. Moreover, to decrease the overall power consumption further, the FBB technique is employed to lower the supply voltage. The measured noise figure is lower than 3.38dB and the core circuit consumes only 2.16mW.

原文英語
頁(從 - 到)1100-1102
頁數3
期刊Electronics Letters
48
發行號18
DOIs
出版狀態已出版 - 30 08 2012

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