用于MICS应用的400-MHz 1-V 1.4 mw CMOS RF接收器设计

Mihye Moon, Shinil Chang, Yongho Lee, Hyunchol Shin
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引用次数: 1

摘要

本文介绍了一种用于MICS应用的CMOS射频接收器前端电路的低电压、低功耗设计。直接转换射频接收器由单端级联LNA、单差分转换gm级、25% LO占空比的正交无源混频器和跨阻放大器组成。大量的电路仿真表明,该接收机的最大转换增益为45 dB,输入参考P1dB为- 34.8 dBm,噪声系数为2.6 dB,而来自1v电源的功耗为1.4 mW。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of a 400-MHz 1-V 1.4-mW CMOS RF receiver for MICS applications
This paper describes low-voltage and low-power design of a CMOS RF receiver front-end circuit for MICS applications. The direct-conversion RF receiver is composed of a single-ended cascode LNA, single-to-differential converting gm-stage, quadrature passive mixer with 25% LO duty cycle, and transimpedance amplifier. Extensive circuit simulations show that the receiver has the maximum conversion gain of 45 dB, the input-referred P1dB of −34.8 dBm, and the noise figure of 2.6 dB, while dissipating 1.4 mW from a 1-V supply.
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