基于电流复用技术的280μW亚阈值Balun LNA

2017 1st Conference on PhD Research in Microelectronics and Electronics Latin America (PRIME-LA) Pub Date : 2017-02-01 DOI:10.1109/PRIME-LA.2017.7899171

K. V. Reddy, S. K., P. H

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引用次数: 4

摘要

提出了一种用于医疗无线电设备通信(MedRadio)的280 μW电流复用、亚阈值平衡低噪声放大器(LNA)，频率范围为401 ~ 406 MHz。采用UMC 0.18 μm CMOS技术设计了一种典型的平衡LNA。利用功率分相器(PPS)叠加在电感退化共源(IDCS)技术之上，实现了射频输入的差分转换。该平衡电路在1V电源消耗280 μA的情况下，电压增益为19 dB，输入输出隔离小于-14 dB，噪声系数为4.1 dB, IIP3为-15dBm。差分输出之间的增益和相位误差分别为1 dB和0.60。所提出的平衡LNA核心布局面积为0.988mm2。

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A 280μW sub-threshold Balun LNA for medical radio using current re-use technique

A 280 μW current-reuse, sub-threshold balun low noise amplifier (LNA) is presented for medical radio device communication (MedRadio) over the frequency range of 401- 406 MHz. An exemplary balun LNA is designed in a UMC 0.18- μm CMOS technology. The differential conversion of RF input has been procured by stacking power phase splitter (PPS) on top of the inductively degenerated common-source (IDCS) technique. The proposed balun LNA accomplish voltage gain of 19 dB, input & output isolation is less than -14 dB, noise figure of 4.1 dB and IIP3 of -15dBm while consuming 280 μA from 1V supply. The gain & phase error between differential outputs is 1 dB & 0.60 respectively. The layout area of proposed balun LNA core is 0.988mm2.

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2017 1st Conference on PhD Research in Microelectronics and Electronics Latin America (PRIME-LA)

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