一种用于载波聚合的线性级联码关断低噪声放大器

2018 IEEE 10th International Conference on Humanoid, Nanotechnology, Information Technology,Communication and Control, Environment and Management (HNICEM) Pub Date : 2018-11-01 DOI:10.1109/HNICEM.2018.8666307

Paul Emmanuel G. Empas, O. J. Gerasta, J. Hora

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引用次数: 0

摘要

带内和带外(OOB)干扰是用于载波聚合(CA)应用的低噪声放大器(LNA)设计中的主要问题。本文讨论了用修正导数叠加法设计高线性度级联截止LNA结构。这种配置可以在传统模式和CA模式之间切换，使用负载断开将线性度降低到最小。该架构采用台积电65nm CMOS技术的射频库设计，并在LTE频段2上进行了测试。LNA获得了18分。6dBm输入参考三阶截距点(IIP3)， 13。在CA模式下7dB S21和1.42噪声系数(NF)。在遗留模式下，它已达到IIP3值17。4 dbm, 13岁。3dB S21，噪声系数(NF) 1.47。在CA和传统模式下，它在2.5 v源下都消耗13mA电流。

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A Linearized Cascode Shut-off Low-Noise Amplifier for Carrier Aggregation Application

In-band and out-of-band (OOB) interferences are major design problems in low-noise amplifiers (LNA) used for carrier aggregation (CA) application. This paper discusses the design of a cascode shut-off LNA configuration with high level of linearity using modified derivative superposition method. This configuration can work switchably between legacy and CA mode with minimal degradation in its linearity using load disconnection. The proposed architecture is designed using the RF library of TSMC 65-nm CMOS technology and is tested at Long-Term Evolution (LTE) band 2. The LNA achieved an 18. 6dBm input-referred third-order intercept point (IIP3), 13. 7dB S21 and 1.42 noise figure (NF) in CA mode. In legacy mode, it has attained an IIP3 value of 17. 4dBm, 13. 3dB S21, 1.47 noise figure (NF. It consumed 13mA of current at 2.5-V source in both CA and legacy modes.

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来源期刊

2018 IEEE 10th International Conference on Humanoid, Nanotechnology, Information Technology,Communication and Control, Environment and Management (HNICEM)

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