采用电流复用技术的1.2V电流镜双平衡混频器

2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO) Pub Date : 2013-04-16 DOI:10.1109/ELNANO.2013.6552002

Xiao Shi, Jianhui Wu, Zhilin Liu

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引用次数: 1

摘要

本文介绍了一种采用电流复用技术的双平衡电流镜混频器的设计。所提出的混合器基于高线性电流镜结构，保证了高IIP3。为了提高电流镜结构的功率效率，采用电流复用技术共享跨导级和输出级的偏置电流。与传统电流镜混频器相比，功耗降低36%。混合器采用0.13-μm 1P8M RFCMOS工艺设计;工作频率为1GHz。仿真结果表明，峰值转换增益为12.6dB，相对较高的IIP3为4.0dBm，中等的NF为16dB。在1.2V供电电压下，整个混合器的功耗为3.84mW。

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A 1.2V current mirror double balanced mixer with current reusing technique

This paper presents the design of a double balanced current-mirror mixer with current reusing technique. The proposed mixer is based on high linearity current mirror structure which guarantees a high IIP3. To improve the power efficiency of the current mirror structure, a current reusing technique is used to share the bias current of the transconductance stage and the output stage. Compared with the traditional current mirror mixer, a power decrease of 36% can be achieved. The mixer is designed in 0.13-μm 1P8M RFCMOS process; operating at the frequency of 1GHz. Simulation results indicate a peak conversion gain of 12.6dB, a relatively high IIP3 of 4.0dBm and a moderate NF of 16dB. The whole mixer has a power consumption of 3.84mW under 1.2V supply voltage.

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来源期刊

2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO)

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